CN102072997B - Spare automatic switching logic test method for checking main transformer mutual switching mode - Google Patents

Abstract

The invention relates to the technical field of inspection of substation equipment, and discloses a backup self-input logic test method for verifying the mutual input mode of the main transformer. The initial state of the experiment is established: the analog circuit breaker modules 1DL to 4DL are adjusted to the closed position; the experimental switch AN1 to Push AN4 to the conduction position; test state: push the experimental switch "AN3" to the disconnection position, and simulate the action of transformer modules 3PT and 4PT without alternating current; the automatic switching device of the tested equipment operates, and simulate circuit breaker modules 1DL and 2DL; Combined with analog circuit breaker modules 3DL and 4DL; analog transformer modules 3PT and 4PT act, with three-phase alternating current; the logic function of the detected standby automatic switching is correct and meets the requirements, and can be added to the operation. The invention can conveniently test the protection fixed value of the automatic switching protection device, and has convenient operation and reliable result. It can meet the inspection work of the automatic switching device of the bridge line equipment in the power system, greatly provides the test flexibility, and improves the production efficiency.

Description

A logic test method for backup self-inversion to verify the mutual-input mode of main transformer

technical field

The invention relates to the technical field of transformer substation equipment inspection, and is especially suitable for checking the logic function of the main transformer mutual switching of the standby automatic switching device when one transformer is running and one transformer is in standby. Self-introduction logic test method.

Background technique

With the application of new technologies, social life is increasingly dependent on power supply, and the reliability of power system power supply has become an important indicator to measure power quality. In order to improve the reliability of power supply, most of the current 110KV substations often adopt the power supply mode of dual power supplies as backup for each other, that is, one transformer is running and the other is backup power supply. Backup power automatic switching device is widely used. However, due to the fact that the two main transformers of the 110KV substation will rarely shut down completely, and there are many parameters in the acquisition system when the standby automatic switching device is working, the action involves a wide range of circuit breakers, and the actual risk of the transmission experiment with switches is relatively high. At present, it is more complicated to verify the backup automatic switching device using the mutual switching function of two main transformers.

The mutual investment of transformers is as follows: during operation, one transformer is running, the high and low voltage side circuit breakers are closed as shown in Figure 1 (1DL, 2DL), and the other transformer is standby, and the high and low voltage side circuit breakers are positioned as shown in Figure 1 shown (3DL, 4DL). One transformer with all low-voltage buses. If a fault occurs and the voltage of the bus bar on the low-voltage side of the substation disappears, the standby self-transmitter device will trip the circuit breakers (1DL, 2DL) on both sides of the running transformer, put into the backup transformer, and close the circuit breakers 3DL and 4DL.

Contents of the invention

In order to solve the problems existing in the prior art, the present invention provides a logic test method for standby automatic switching to verify the mutual switching mode of the main transformer. It can meet the inspection work of the automatic switching device of the bridge line equipment in the power system, greatly provides the test flexibility, and improves the production efficiency.

In order to realize the above-mentioned purpose of the invention, the present invention adopts following technical scheme:

A backup self-switching logic test method for verifying the mutual switching mode of the main transformer, the steps of which are as follows:

The first step: tester test line access:

1. Insert one side of the aviation plug of the test cable attached to the tester into the input "operation" jack of the circuit breaker simulation unit 1DL to 5DL of the tester, and the other side will simulate the "DL1" of the circuit breaker module 1DL to 5DL. ", "DL3" and "DL33" are respectively connected to the "common terminal", "closed terminal" and "split terminal" of the operating terminal of the 1# main transformer high-voltage side circuit breaker of the standby automatic switching device; the aviation plug of the attached test cable One side is inserted into the output "signal" jacks of circuit breaker simulation units 1DL to 5DL, and the other side is respectively connected to the "801I terminal", "802I terminal" and "803I terminal" of the analog circuit breaker module 1DL to 5DL to the standby The "common terminal", "signal terminal" and "signal terminal" of the signal terminal of the high-voltage side circuit breaker of the 1# main transformer of the self-injection device; the analog circuit breaker module 1DL of the tester corresponds to the circuit breaker at the high-voltage side of the 1# main Circuit breaker module 2DL corresponds to 1# main transformer low-voltage side circuit breaker, analog circuit breaker module 3DL corresponds to 2# main transformer high-voltage side circuit breaker, analog circuit breaker module 4DL corresponds to 2# main transformer low-voltage side circuit breaker, analog circuit breaker module 5DL corresponds to Sectional circuit breaker on the low-voltage side of the main transformer;

The second step: the initial state of the experiment:

Turn the power switch of the simulated circuit breaker modules 1DL to 5DL of the tester to the "Device Power" position, use the DC power provided by the tester during the test, and set the DC circuit breaker "ZLKK" and AC circuit breaker on the tester to Push "JLKK" to the conduction position; adjust the simulated circuit breaker module 1DL, simulated circuit breaker module 2DL, and simulated circuit breaker module 5DL to the closed position: make the experimental switches "AN1", "AN2", "AN3", "AN4 "Push to the conduction position;

1. Set the manual operation analog circuit breaker module 1DL to the closed state:

Press the closing button HC of the analog circuit breaker module 1DL, and the DC positive power is transmitted to the connection relay "1DL-SW" through the closing button HC and the normally closed contact 3-2 of the relay 1DL-SW in the analog circuit breaker module 1DL. The 1-terminal contact point of the positive pole of the coil; the 6-terminal contact point in the relay 1DL-SW is connected to the negative pole of the relay "1DL-SW" action coil to form a DC circuit; the relay "1DL-SW" action, the switch contacts of the relay are turned on and off: The normally closed contact 3-2 of the SW is disconnected; the normally open contact of the 4-5 terminal is conducted; the normally open contact of the 8-9 terminal is conducted;

The DC positive power is transmitted to the terminal 1 of the relay "1DL-KⅠ" of the analog circuit breaker module 1DL and the coil of the relay "1DL-KⅡ" through the air switch "ZLKK" and the 4-5 terminal contact of the relay "1DL-SW". The positive terminal 1; the negative pole of the action coil of the relay "1DL-KⅠ" and the relay "1DL-KⅡ" has a negative DC current, and the relay "1DL-KⅠ" and the relay "1DL-KⅡ" are flipped when the power is turned on:

The normally open contact of the a1-a2 end of the relay 1DL-KⅠ is turned on, and the DC positive current carried by the a1 end of the relay 1DL-KⅠ is connected to the red light D1, and the red light D1 turns from off to bright; at the same time, the green light D2 turns from on to off ; The normally open contacts of the b1-b2 end of the relay 1DL-KⅠ are turned on; the b1 end is connected to the experimental switch "AN1" through the terminal "1DL-GY1", and the b2 end is connected to the "1DL-GY2" terminal; On, the experimental switch "AN1", the conduction terminals "1DL-GY1" and "1DL-GY2" in the analog circuit breaker module 1DL are transmitted to the connection terminal "2DL-GY1" in the analog circuit breaker module 2DL;

The relay 1DL-KⅡ acts, the normally open contacts of the terminals a1-a2 of the relay 1DL-KⅡ are turned on, and the terminals a1 and a2 are respectively connected to the terminals 1DL-801Ⅰ and 1DL-802Ⅰ of the standby automatic switching device, and the connecting line of the standby automatic switching device "1DL-801Ⅰ" and "1DL-802Ⅰ" conduction;

At the same time, the normally closed contact between the terminals a1-a3 of the relay 1DL-KⅡ is disconnected, and the terminals 1DL-803Ⅰ and 1DL-801Ⅰ of the standby automatic switching device connected to the terminal a3 are disconnected;

At the same time, the normally open contact between the terminals b1-b2 of the relay 1DL-KⅡ is turned on, and the connection line "1DL-801Ⅱ" and "1DL-802Ⅱ" of the standby automatic switching device are turned on;

At the same time, the normally closed contact between the terminals b1-b3 of the relay 1DL-KⅡ is disconnected, and the connection line "1DL-801Ⅱ" and "1DL-803Ⅱ" of the standby automatic switching device are disconnected;

2. Set the manual operation analog circuit breaker module 2DL to the closed state:

Press the closing button HC of the analog circuit breaker module 2DL, and the DC positive power is transmitted to the positive pole of the action coil of the connecting relay 2DL-SW through the closing button HC and the relay 2DL-SW normally closed contact 3-2 in the analog circuit breaker module 2DL. The 1-terminal contact of the relay 2DL-SW connects the 6-terminal contact of the relay 2DL-SW to the negative pole of the action coil of the relay 1DL-SW to form a DC circuit; Terminal 3-2 is disconnected; the normally open contact at terminal 4-5 is turned on; the normally open contact at terminal 8-9 is turned on;

The positive DC power is transmitted to the terminal 1 of the relay 2DL-KⅠ and the relay 2DL-KⅡ of the analog circuit breaker module 2DL through the air switch "ZLKK" and the 4-5 terminal contact of the relay 2DL-SW in the analog circuit breaker module 2DL. Terminal 1; the negative poles of the action coils of relay 2DL-KⅠ and relay 2DL-KⅡ carry DC negative electricity, and the relay 2DL-KⅠ and relay 2DL-KⅡ flip over when the power is on:

The normally open contact of the a1-a2 end of the relay 2DL-KⅠ is turned on, and the DC positive current carried by the a1 end of the relay 2DL-KⅠ is connected to the red light D1, and the red light D1 turns from off to bright; at the same time, the green light D2 turns from on to off ; At the same time, the normally open contact of the b1-b2 end of the relay 2DL-KⅠ is turned on; the b1 end is connected to the "1DL-GY2" in the analog circuit breaker module 1DL through the terminal 2DL-GY1, and the b2 end is connected through the terminal 2DL-GY2. The switch "AN3" is transmitted to the terminal 5DL-GY1 in the analog circuit breaker module 5DL; the DC positive power transmitted by the relay "1DL-GY2" terminal in the analog circuit breaker module 1DL passes through the conduction terminal "2DL" in the analog circuit breaker module 2DL -GY1" and "2DL-GY2", and the experimental switch "AN3" are transmitted to "5DL-GY1" in the simulated circuit breaker module 5DL;

The relay 2DL-KⅡ acts, the normally open contacts of the terminals a1-a2 of the relay 2DL-KⅡ are turned on, and the terminals a1 and a2 are respectively connected to the terminals 2DL-801Ⅰ and 2DL-802Ⅰ of the standby automatic switching device, and the connecting line of the standby automatic switching device 2DL-801Ⅰ and 2DL-802Ⅰ conduction;

At the same time, the normally closed contact between the terminals a1-a3 of the relay 2DL-KⅡ is disconnected, and the terminals 2DL-803Ⅰ and 2DL-801Ⅰ of the standby automatic switching device connected to the terminal a3 are disconnected;

At the same time, the normally open contact between the terminals b1-b2 of the relay 2DL-KⅡ is turned on, and the connection line "1DL-801Ⅱ" and "1DL-802Ⅱ" of the standby automatic switching device are turned on;

At the same time, the normally closed contact between the terminals b1-b3 of the relay 2DL-KⅡ is disconnected, and the connection line "2DL-801Ⅱ" and "2DL-803Ⅱ" of the standby automatic switching device are disconnected;

3. Set the manual operation analog circuit breaker module 5DL to the closed state:

Press the closing button HC of the analog circuit breaker module 5DL, and the DC positive power is transmitted to the positive pole of the relay 5DL-SW action coil through the closing button HC and the relay 5DL-SW normally closed contact 3-2 in the analog circuit breaker module 5DL. 1-terminal contact point; 6-terminal contact point in the relay 5DL-SW is connected to the negative pole of the relay 5DL-SW action coil to form a DC circuit; the relay 5DL-SW operates, and each switch contact of the relay is turned on and off: the normally closed contact in the relay 5DL-SW Terminals 3-2 are disconnected; normally open contacts at terminals 4-5 are conducting; normally open contacts at terminals 8-9 are conducting;

The positive DC power is transmitted to the terminal 1 of the relay 5DL-KⅠ and the relay 5DL-KⅡ of the analog circuit breaker module 5DL through the air switch "ZLKK" and the 4-5 terminal contact of the relay 5DL-SW in the analog circuit breaker module 5DL. Terminal 1; Relay 5DL-KⅠ and relay 5DL-KⅡ action coil negative pole with DC negative power, energized relay 5DL-KⅠ and relay 5DL-KⅡ flip:

The normally open contact of the a1-a2 end of the relay 5DL-KⅠ is turned on, and the DC positive current carried by the a1 end of the relay 5DL-KⅠ is connected to the red light D1, and the red light D1 turns from off to bright; at the same time, the green light D2 turns from on to off ;The normally open contact of the b1-b2 end of the relay 5DL-KⅠ is turned on; the b1 end is connected to the experimental switch "AN3" through the terminal 5DL-GY1, and the b2 end is transmitted to the simulated open circuit through the terminal 5DL-GY2 and the experimental switch "AN4" The terminal 4DL-GY2 in the circuit breaker module 4DL; the DC positive electricity transmitted by the "2DL-GY2" terminal in the analog circuit breaker module 2DL passes through the experimental switch "AN3", the conduction terminal "5DL-GY1" in the analog circuit breaker module 5DL ", "5DL-GY2" and experimental switch "AN4" are transmitted to "4DL-GY2" in the analog circuit breaker module 4DL;

The relay 5DL-KⅡ acts, the normally open contacts of the terminals a1-a2 of the relay 5DL-KⅡ are turned on, and the terminals a1 and a2 are respectively connected to the terminals 5DL-801Ⅰ and 5DL-802Ⅰ of the standby automatic switching device, and the connecting line of the standby automatic switching device 5DL-801Ⅰ and 5DL-802Ⅰ conduction;

At the same time, the normally closed contact between the terminals a1-a3 of the relay 5DL-KII is disconnected, and the terminals 5DL-803Ⅰ and 5DL-801Ⅰ of the standby automatic switching device connected to the terminal a3 are disconnected;

At the same time, the normally open contact between the terminals b1-b2 of the relay 5DL-KⅡ is turned on, and the connection line "5DL-801Ⅱ" and "5DL-802Ⅱ" of the standby automatic switching device are turned on;

At the same time, the normally closed contact between the terminals b1-b3 of the relay 5DL-KⅡ is disconnected, and the connection line "5DL-801Ⅱ" and "5DL-803Ⅱ" of the standby automatic switching device are disconnected;

4. Simulate the working status of the transformer module:

1) Analog transformer module "1PT": DC positive electricity enters the positive pole of the relay "1PT-I" coil of the analog transformer module "1PT" and relay "1PT-II" through the circuit breaker "ZLKK" and the experimental switch "AN1" The positive pole of the coil; constitutes a DC circuit, simulates the action of the intermediate relays 1PT-I and "1PT-II" in the transformer module "1PT", and the on-off status of each contact of the relay is reversed; the a1-a2 of the relay 1PT-I is normally open The contact conducts, and the yellow light "1PT-D3" turns from off to on; The normally open contact between "a1-a2" of Ⅱ is conducted, and the voltage of phase B is transmitted to the standby automatic switching device through the test line; the normally open contact between "b1-b2" of "1PT-Ⅱ" is conducted, and the voltage of phase C is transmitted through The test line is transmitted to the standby self-injection device;

2) Analog transformer module "2PT": DC positive electricity enters the positive pole of the relay "2PT-I" coil of the analog transformer module "2PT" and relay "2PT-II" through the air switch "ZLKK" and the experimental switch "AN2" The positive pole of the coil; the negative poles of the two relay coils carry DC negative electricity for a long time, forming a DC circuit, simulating the action of the intermediate relays 2PT-I" and "2PT-II" of the transformer module "2PT", and the on-off status of each contact of the relay is reversed; " The normally open contact between "a1-a2" of 2PT-I conducts, and the yellow light "2PT-D3" changes from off to bright; the normally open contact between "b1-b2" of "2PT-I" conducts, and the voltage of phase A It is transmitted to the standby automatic switching device through the test line; the normally open contact between "a1-a2 of 2PT-Ⅱ" is turned on, and the B-phase voltage is transmitted to the standby automatic switching device through the test line; "b1-b2 of 2PT-Ⅱ" The normally open contacts between them are turned on, and the phase C voltage is transmitted to the standby self-injection device through the test line;

3), Simulated transformer module "3PT": DC positive electricity passes through air switch "ZLKK", experimental switch "AN1", "1DL-GY1" and "1DL-GY2" conduction contacts in simulated circuit breaker module 1DL, simulated The "2DL-GY1" and "2DL-GY2" conduction contacts in the circuit breaker module 2DL, the experimental switch "AN3" enter the positive pole of the relay "3PT-I" coil of the analog transformer module "3PT" and the relay "3PT-II" coil Positive pole; the negative poles of the two relay coils carry DC negative electricity for a long time, forming a DC circuit, simulating the action of the intermediate relays 3PT-I and "3PT-II" of the transformer module "3PT", and the relay contacts are turned over; the relay "3PT The normally open contact between "a1-a2" of -I conducts, and the yellow light "3PT-D3" changes from off to bright; the normally open contact between b1-b2 of relay "3PT-I" conducts, and the voltage of phase A It is transmitted to the standby automatic switching device through the test line; the normally open contact between "a1-a2 of 3PT-Ⅱ" is turned on, and the B-phase voltage is transmitted to the standby automatic switching device through the test line; "b1-b2 of 3PT-Ⅱ" The normally open contacts between them are turned on, and the phase C voltage is transmitted to the standby self-injection device through the test line;

4), Simulated transformer module "4PT": DC positive electricity passes through air switch "ZLKK", experimental switch "AN1", "1DL-GY1" and "1DL-GY2" conduction contacts in simulated circuit breaker module 1DL, simulated The "2DL-GY1" and "2DL-GY2" conduction contacts in the circuit breaker module 2DL, the experimental switch "AN3", and the "5DL-GY1" and "5DL-GY2" conduction contacts in the simulated circuit breaker module 5DL enter the simulation The positive pole of the relay "4PT-I" coil of the transformer module "4PT" and the positive pole of the relay "4PT-II" coil; the negative poles of the two relay coils carry DC negative electricity for a long time, forming a DC circuit, simulating the intermediate relay of the transformer module "4PT" 4PT-I" and "4PT-II" act, and the on-off status of each contact of the relay is reversed; the normally open contact between a1-a2 of "4PT-I" is turned on, and the yellow light "4PT-D3" turns from off to on ; The normally open contact between "b1-b2 of 4PT-I" is conducting, and the phase A voltage is transmitted to the standby self-injection device through the test line; the normally open contact between "a1-a2 of 4PT-Ⅱ" is conducting, The phase B voltage is transmitted to the standby automatic switching device through the test line; the normally open contact between "4PT-II b1-b2" is turned on, and the C phase voltage is transmitted to the standby automatic switching device through the test line;

Step 3: Test status:

1. Push the experimental switch "AN3" to the off position, and the experimental switch "AN3" passes through the contact between "5DL-GY1" and "5DL-GY2" in the analog circuit breaker module 5DL, and the experimental switch "AN4" to the analog circuit breaker module 5DL. The positive electricity of "4DL-GY2" in the circuit breaker module 4DL disappears;

2. The analog transformer module "3PT" action: the DC positive channel is disconnected, the analog transformer module "3PT" has no DC positive input, and the intermediate relays 3PT-I" and "3PT-II" of the analog transformer module "3PT" "Return, the on-off status of each contact of the relay is reversed; the yellow light "3PT-D3" changes from on to off;

The normally open contact between "b1-b2 of 3PT-I" is disconnected, and the output of phase A voltage stops;

The normally open contact between "a1-a2 of 3PT-Ⅱ" is disconnected, and the output of phase B voltage stops;

The normally open contact between "b1-b2 of 3PT-Ⅱ" is disconnected, and the output of phase C voltage stops;

3. Action of analog transformer module "4PT": the DC positive channel is disconnected, the analog transformer module "4PT" has no DC positive input, and the intermediate relays 4PT-I" and "4PT-II" of the analog transformer module "4PT" "Return, the on-off status of each contact of the relay is reversed; the yellow light "4PT-D3" changes from on to off;

The normally open contact between "b1-b2 of 4PT-I" is disconnected, and the output of phase A voltage stops;

The normally open contact between "a1-a2 of 4PT-Ⅱ" is disconnected, and the B-phase voltage stops outputting;

Step 4: Detect the action process of the automatic switching device:

1. The detection equipment automatic switching device is divided into analog circuit breaker module 1DL;

The standby self-injection device sends a DC positive signal to the tester through the test line "1DL33", and the DC positive power is transmitted to the contact of the relay "1DL-SW terminal 9" in the analog circuit breaker module 1DL, and the closed relay "1DL-SW" The 9-8 normally open contacts are transmitted to the connection relay "1DL-SW" with 7 contacts on the positive pole of the reset coil, and the negative pole of the reset coil on the 12" contact has a DC negative current, forming a DC circuit, simulating the two-position relay "1DL-SW" in the circuit breaker module 1DL Reset, the on-off status of each contact of the relay is reversed; the relay "1DL-SW" in the analog circuit breaker module 1DL loses DC positive power and resets; the relays "1DL-KⅠ" and "1DL-KⅡ" reset; the contacts of the relay are turned on and off The situation is reversed; the red light "1DL-D1" turns from on to off; the green light "1DL-D2" turns from off to on; the connection line "1DL-801Ⅰ" of the standby self-injection device is disconnected from "1DL-802Ⅰ"; the standby self-injection device The connection line "1DL-801Ⅰ" and "1DL-803Ⅰ" are connected; the connection line "1DL-801Ⅱ" and "1DL-802Ⅱ" of the standby self-injection device are disconnected; the connection line "1DL-801Ⅱ" and "1DL -803Ⅱ" conduction;

2. The detection equipment is divided into analog circuit breaker modules 2DL;

The standby self-injection device sends a DC positive signal to the tester through the test line "2DL33", and the DC positive power is transmitted to the 9 contacts of the relay "2DL-SW in the analog circuit breaker module 2DL, and the 9-contact of the relay 2DL-SW that is closed by action The 8 normally open contacts are transmitted to the connection relay "2DL-SW" and the return coil positive pole is 7 contacts, and the return coil negative pole 12" contact has a DC negative power, forming a DC circuit, simulating the reset of the two-position relay "2DL-SW" in the circuit breaker module 2DL, The on-off status of each contact of the relay is reversed; the two-position relay "2DL-SW" loses DC positive reset;

Relay "1DL-SW" and "1DL-KⅠ" and "1DL-KⅡ" in analog circuit breaker module 1DL are reset; the on-off status of each contact of the relay is reversed; the red light "2DL-D1" changes from on to off; the green light "2DL -D2" turns from off to bright; the connection line "2DL-801Ⅰ" of the standby self-injection device is disconnected from "2DL-802Ⅰ"; the connection line "2DL-801Ⅱ" of the standby self-injection device is disconnected from "2DL-802Ⅱ"; The connection line "2DL-801Ⅱ" and "2DL-803Ⅱ" of the throwing device are connected;

3. Detect the standby automatic switching device and simulate the circuit breaker module 3DL;

The standby self-injection device sends a DC positive signal to the tester through the test line "3DL3", and the DC positive power is transmitted to the connection relay "3DL- 1 contact of the positive pole of the SW" action coil, and 6 contacts connected to the negative pole of the relay "3DL-SW" action coil with DC negative electricity, forming a DC circuit; the dual-position relay "3DL-SW" in the analog circuit breaker module 3DL operates, and each contact of the relay is connected. The off state is reversed; the normally closed contact between "2-3 of 3DL-SW" is disconnected; the normally open contact between "4-5 of 3DL-SW" is turned on; the "8-9 of 3DL-SW" The normally open contacts between the two are turned on; the positive DC power is transmitted to the intermediate relays "3DL-KⅠ" and "3DL- Terminal 1 of "KⅡ" constitutes a DC circuit; at the same time, the relay "3DL-KⅠ" acts, the normally open contact between a1-a2 of the relay "3DL-KⅠ" conducts, and the red light "3DL-D1" turns from off to on ;The normally closed contact between a1-a3 of the relay "3DL-KⅠ" is disconnected, and the green light "3DL-D2" changes from on to off; The positive electricity is transmitted to "4DL-GY1" in the analog circuit breaker module 4DL through the circuit breaker, the experimental switch "AN2", and the contact between "3DL-GY1" and "3DL-GY2" in the analog circuit breaker module 3DL;

At the same time, the relay 3DL-KⅡ acts, the normally open contact between a1-a2 of the relay "3DL-KⅡ" conducts, and the connection line "3DL-801Ⅰ" and "3DL-802Ⅰ" of the standby self-injection device conduct; "3DL- The normally closed contact between "a1-a3" of KⅡ is disconnected, the connection line "3DL-801Ⅰ" and "3DL-803Ⅰ" of the standby automatic switching device are disconnected; the normally open contact between "b1-b2" of "3DL-KⅡ" If it is turned on, the connection line "3DL-801Ⅱ" and "3DL-802Ⅱ" of the standby self-injection device are connected; 801Ⅱ" and "3DL-803Ⅱ" are disconnected;

4. Detect the working status of the standby automatic switching device and the simulated circuit breaker module 4DL;

The standby self-injection device sends a DC positive signal to the tester through the test line "4DL3", and the DC positive power is transmitted to the connection relay "4DL-SW through the 3-2 normally closed contact of "4DL-SW" in the analog circuit breaker module 4DL 1 contact of the positive pole of the action coil is connected to the 6 contacts of the negative pole of the action coil of the relay "4DL-SW" with DC negative electricity to form a DC circuit; the dual-position relay "4DL-SW" in the analog circuit breaker module 4DL operates, and each contact of the relay is turned on and off The situation is reversed; the normally closed contact between "23 of 4DL-SW" is disconnected; the normally open contact between "4-5 of 4DL-SW" is turned on; the normally open contact between "8-9 of 4DL-SW" point conduction;

The DC positive power is transmitted to the terminal 1 of the intermediate relay "4DL-KⅠ" and "4DL-KⅡ" of the analog circuit breaker module 4DL through the open contact "ZLKK" and "4-5" of "4DL-SW", forming a DC circuit, the intermediate relay "4DL-KⅠ" of the simulated circuit breaker module 4DL acts, the normally open contact between a1-a2 of "4DL-KⅠ" conducts, the red light "4DL-D1" turns from off to bright; the green light "4DL -D2" turns from on to off; the normally open contact between b1-b2 of "4DL-KⅠ" is turned on, and the DC positive electricity transmitted by the "3DL-GY2" terminal in the analog circuit breaker module 3DL passes through the analog circuit breaker module 4DL "4DL-GY1" and "4DL-GY2" conduction contacts and experimental switch "AN4" are transmitted to "5DL-GY2" in the analog circuit breaker module 5DL;

At the same time, the "4DL-KⅡ" in the simulated circuit breaker module 4DL acts, and the on-off status of each contact of the relay is reversed; 801Ⅰ" and "4DL-802Ⅰ" conduction; "4DL-KⅡ's a1-a3" normally closed contact is disconnected, and the connection line "4DL-801Ⅰ" and "4DL-803Ⅰ" of the standby automatic switching device are disconnected; " The normally open contact between "b1-b2" of 4DL-KⅡ is conducting, and the connection line "4DL-801Ⅱ" and "4DL-802Ⅱ" of the standby self-injection device are conducting; the connection between "b1-b3" of "4DL-KⅡ" is normally closed The contact is disconnected, and the connection line "4DL-801Ⅱ" and "4DL-803Ⅱ" of the standby automatic switching device are disconnected;

5. Simulate the working state of the transformer module;

1) Simulated transformer module "3PT": DC positive electricity passes through air switch "ZLKK", experimental switch "AN2", contact between "3DL-GY1" and "3DL-GY2" in simulated circuit breaker module 3DL, simulated The contact between "4DL-GY1" and "4DL-GY2" in the circuit breaker module 4DL, the experimental switch "AN4", and the contact between "5DL-GY1" and "5DL-GY2" in the simulated circuit breaker module 5DL enter the simulation The terminal "3PT-YCDY" of the transformer module "3PT" is connected to the positive pole of the relay "3PT-I" coil and the positive pole of the relay "3PT-II" coil; the negative poles of the two relay coils carry DC negative electricity for a long time, forming a DC circuit. The intermediate relays 3PT-I" and "3PT-II" of the simulated transformer module "3PT" act, and the on-off status of each contact of the relay is reversed: the normally open contact between "a1-a2 of 3PT-I" conducts, and the yellow The light "3PT-D3" changes from off to bright; the normally open contact between b1-b2 of "3PT-I" is turned on, and the voltage of phase A is transmitted to the standby self-injection device through the test line; a1-a2 of "3PT-II The normally open contact between "is conducted, and the phase B voltage is transmitted to the standby self-injection device through the test line; the normally open contact between "b1-b2 of 3PT-II" is conducted, and the phase C voltage is transmitted to the standby device through the test line. self-injection device;

2. Simulated transformer module "4PT": DC positive electricity passes through air switch "ZLKK", experimental switch "AN2", contact between "3DL-GY1" and "3DL-GY2" in simulated circuit breaker module 3DL, simulated open circuit The contacts between "4DL-GY1" and "4DL-GY2" in the transformer module 4DL, and the experimental switch "AN4" enter the positive coils of the analog transformer module "4PT" relays "4PT-I and 4PT-II; the negative poles of the two relay coils With DC negative electricity for a long time, it forms a DC circuit; the intermediate relays 4PT-I and "4PT-II" of the analog transformer module "4PT" act, and the on-off status of each contact of the relay is reversed; the a1-a2 of "4PT-I The normally open contact between "is turned on, and the yellow light "4PT-D3" turns from off to on; The normally open contact between "a1-a2 of 4PT-II" conducts, and the phase B voltage is transmitted to the standby self-injection device through the test line; the normally open contact between "b1-b2 of 4PT-II" conducts On, the C-phase voltage is transmitted to the standby self-injection device through the test line;

Step 5: The logic function of the detected standby automatic switching is correct and meets the requirements, and the tested standby automatic switching device can be put into operation.

The present invention adopts above-mentioned technical scheme, has following advantages compared with prior art:

1. It avoids complicated wiring, makes the wiring of the backup self-injection verification device simple and clear, and can effectively avoid the greater risk of safety in the process of disconnecting the wiring.

2. There is a special control program, which can simulate the mutual switching function of the two main transformers in the standby automatic switching.

3. Through the control part, it is convenient to test the protection setting value of the automatic switching protection device, which is easy to operate and reliable in result.

4. It can meet the inspection work of the automatic switching device of the bridge line in the power system, which greatly provides the test flexibility and improves the production efficiency.

Description of drawings

Figure 1 is the circuit diagram of the main transformer and mutual investment;

Figure 2 is a block diagram of the working principle of the portable self-input calibrator;

Figure 3 is a circuit diagram of the working principle of the analog circuit breaker DL module;

Figure 4 is a circuit diagram of the working principle of the analog circuit breaker PT module;

Figure 5 is a panel diagram of the transmission and transformation circuit for simulating the primary system pipe network.

Detailed ways

As shown in Figures 1, 2, 3, 4, and 5: a backup self-inversion logic test method for verifying the inter-inversion mode of the main transformer, the steps are as follows:

The first step: tester test line access:

Insert the aviation plug side of the tester test cable into the "operation" and "signal" jacks of each circuit breaker simulation unit. On the other side, connect "DL1", "DL3" and "DL33" of the analog circuit breaker module 1DL to the "common terminal", "close" and "open" of the operating terminal of the circuit breaker on the high voltage side of the 1# main transformer of the standby automatic switching device respectively. "; "801I", "802I", and "803I" are respectively connected to the "common terminal", "combined signal" and "divided signal" of the signal terminal of the 1# main transformer high voltage side circuit breaker of the backup automatic switching device. The remaining 4 circuit breaker modules are the same as above,

Corresponding relationship is analog circuit breaker module 1DL corresponds to 1# main transformer high voltage side circuit breaker, analog circuit breaker module 2DL corresponds to 1# main transformer low voltage side circuit breaker, analog circuit breaker module 3DL corresponds to 2# main transformer high voltage side circuit breaker, analog circuit breaker The circuit breaker module 4DL corresponds to the low-voltage side circuit breaker of 2# main transformer, and the simulated circuit breaker module 5DL corresponds to the section circuit breaker on the low-voltage side of the main transformer.

The second step: the initial state of the experiment:

Turn the power switching handle to the "device power" position, and use the DC power provided by the tester during the test. And push the DC circuit breaker "ZLKK" and AC circuit breaker "JLKK" on the device to the conduction position.

Push the experimental switches "AN1", "AN2", "AN3", "AN4" to the conduction position.

The experiment needs to adjust the simulated circuit breaker module 1DL, the simulated circuit breaker module 2DL, and the simulated circuit breaker module 5DL to the closed position.

1. Manually operate the simulated circuit breaker module 1DL to close;

Press the closing button "1DL-HC" of the simulated circuit breaker module 1DL, and the DC positive current passes through the button "1DL-HC" to the "1DL-SW: 3" contact of the simulated circuit breaker module 1DL. The "1DL-SW: 3" contact and the "1DL-SW: 2" contact in the analog circuit breaker module 1DL are normally closed contacts, and the DC positive current passes through and is transmitted to the "1DL-SW: 1" in the analog circuit breaker module 1DL. ” contact, which is connected to the positive pole of the action coil of the relay “1DL-SW”. The "1DL-SW: 6" contact in the simulated circuit breaker module 1DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "1DL-SW". Constitute a DC circuit, simulate the action of the two-position relay "1DL-SW" in the circuit breaker module 1DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "1DL-SW: 2" and "1DL-SW: 3" is disconnected; the normally open contact between "1DL-SW: 4" and "1DL-SW: 5" is connected; "1DL The normally open contact between -SW: 8" and "1DL-SW: 9" is conducting.

The normally open contact between "1DL-SW: 4" and "1DL-SW: 5" in the simulated circuit breaker module 1DL conducts, and the DC positive current passes through the circuit breaker "ZLKK" and "1DL-SW: 4" and "1DL The contact between -SW: 5" is transmitted to the terminal "1DL-KⅠ: 1" of the intermediate relay "1DL-KⅠ" of the analog circuit breaker module 1DL and the terminal "1DL-KⅡ: 1" of "1DL-KⅡ".

The "1DL-KI: 1" terminal in the analog circuit breaker module 1DL is connected to the positive pole of the relay "1DL-KI" coil. The "1DL-KI: 2" contact in the simulated circuit breaker module 1DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "1DL-KI". Constitute a DC circuit, simulate the action of the intermediate relay "1DL-KI" in the circuit breaker module 1DL, and reverse the on-off status of each contact of the relay. The normally open contact between "1DL-KⅠ: a1" and "1DL-KⅠ: a2" conducts, and the DC positive electricity carried by "1DL-KI: a1" connects to the red light "1DL-D1", forming a negative DC current. circuit, the red light "1DL-D1" turns from off to on; the normally closed contact between "1DL-KⅠ:a1" and "1DL-KⅠ:a3" is disconnected, and "1DL-KⅠ:a3" loses DC positive power, The circuit where the green light "1DL-D2" is located is broken, the green light "1DL-D2" changes from on to off; Open, experimental switch "AN1", contact between "1DL-GY1" and "1DL-GY2" in the analog circuit breaker module 1DL, and transmit to "2DL-GY1" in the analog circuit breaker module 2DL.

The "1DL-KⅡ:1" terminal in the analog circuit breaker module 1DL is connected to the positive pole of the relay "1DL-KⅡ" coil. The "1DL-KⅡ:2" contact in the simulated circuit breaker module 1DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "1DL-KⅡ". Constitute a DC circuit, simulate the action of the intermediate relay "1DL-KⅡ" in the circuit breaker module 1DL, and reverse the on-off status of each contact of the relay. The normally open contact between "1DL-KⅡ: a1" and "1DL-KⅡ: a2" is conducting, and the connection line "1DL-801Ⅰ" and "1DL-802Ⅰ" connecting the tester and the standby automatic switching device are conducting; "1DL- The normally closed contact between KⅡ: a1" and "1DL-KⅡ: a3" is disconnected, and the connection line "1DL-801Ⅰ" and "1DL-803Ⅰ" between the tester and the standby automatic switching device are disconnected; "1DL-KⅡ: b1 " and "1DL-KⅡ: b2" are normally open contacts, and the connection line "1DL-801Ⅱ" and "1DL-802Ⅱ" between the tester and the standby self-injection device are connected; "1DL-KⅡ: b1" and " 1DL-KⅡ: The normally closed contact between b3" is disconnected, and the connection line "1DL-801Ⅱ" and "1DL-803Ⅱ" between the tester and the standby automatic switching device are disconnected.

2. Manually operate the simulated circuit breaker module 2DL to close;

Press the closing button "2DL-HC" of the simulated circuit breaker module 2DL, and the DC positive current passes through the button "2DL-HC" to the "2DL-SW: 3" contact of the simulated circuit breaker module 2DL. The "2DL-SW: 3" contact and the "2DL-SW: 2" contact in the analog circuit breaker module 2DL are normally closed contacts, and the DC positive current passes through and is transmitted to the "2DL-SW: 1" in the analog circuit breaker module 2DL. ” contact, which is connected to the positive pole of the action coil of the relay “2DL-SW”. The "2DL-SW: 6" contact in the simulated circuit breaker module 2DL has DC negative power, and the contact is connected to the negative pole of the action coil of the relay "2DL-SW". Constitute a DC circuit, simulate the action of the two-position relay "2DL-SW" in the circuit breaker module 2DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "2DL-SW: 2" and "2DL-SW: 3" is disconnected; the normally open contact between "2DL-SW: 4" and "2DL-SW: 5" is connected; "2DL The normally open contact between -SW: 8" and "2DL-SW: 9" is conducting.

The normally open contact between "2DL-SW: 4" and "2DL-SW: 5" in the simulated circuit breaker module 2DL conducts, and the positive DC current passes through the circuit breaker "ZLKK" and "2DL-SW: 4" and "2DL The contact between -SW: 5" is transmitted to the terminal "2DL-KⅠ: 1" of the intermediate relay "2DL-KⅠ" of the analog circuit breaker module 2DL and the terminal "2DL-KⅡ: 1" of "2DL-KⅡ".

The "2DL-KI: 1" terminal in the analog circuit breaker module 2DL is connected to the positive pole of the relay "2DL-KI" coil. The "2DL-KI: 2" contact in the simulated circuit breaker module 2DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "2DL-KI". Constitute a DC circuit, simulate the action of the intermediate relay "2DL-KI" in the circuit breaker module 2DL, and reverse the on-off status of each contact of the relay. The normally open contact between "2DL-KⅠ: a1" and "2DL-KⅠ: a2" conducts, and the DC positive electricity carried by "2DL-KI: a1" connects to the red light "2DL-D1", forming a negative DC current. circuit, the red light "2DL-D1" turns from off to on; the normally closed contact between "2DL-KⅠ:a1" and "2DL-KⅠ:a3" is disconnected, and "2DL-KⅠ:a3" loses DC positive power, The circuit where the green light "2DL-D2" is located is broken, and the green light "2DL-D2" changes from on to off; The DC positive power transmitted by the "1DL-GY2" terminal in 1DL is transmitted to the analog circuit breaker module 5DL through the contact between "2DL-GY1" and "2DL-GY2" in the analog circuit breaker module 2DL and the experimental switch "AN3" "5DL-GY1".

The "2DL-KⅡ:1" terminal in the analog circuit breaker module 2DL is connected to the positive pole of the relay "2DL-KⅡ" coil. The “2DL-KⅡ: 2” contact in the simulated circuit breaker module 2DL has DC negative power, and the contact is connected to the negative pole of the action coil of the relay “2DL-KⅡ”. Constitute a DC circuit, simulate the action of the intermediate relay "2DL-KⅡ" in the circuit breaker module 2DL, and reverse the on-off status of each contact of the relay. The normally open contact between "2DL-KⅡ: a1" and "2DL-KⅡ: a2" is conducting, and the connection line "2DL-801Ⅰ" and "2DL-802Ⅰ" connecting the tester and the standby automatic switching device are conducting; "2DL- The normally closed contact between KⅡ: a1" and "2DL-KⅡ: a3" is disconnected, and the connection line "2DL-801Ⅰ" and "2DL-803Ⅰ" between the tester and the standby automatic switching device are disconnected; "2DL-KⅡ: b1 " and "2DL-KⅡ: b2" are normally open contacts, and the connection line "2DL-801Ⅱ" and "2DL-802Ⅱ" between the tester and the standby automatic switching device are connected; "2DL-KⅡ: b1" and " 2DL-KⅡ: The normally closed contact between b3" is disconnected, and the connection line "2DL-801Ⅱ" and "2DL-803Ⅱ" between the tester and the standby automatic switching device are disconnected.

3. Manually operate the simulated circuit breaker module 5DL to close;

Press the closing button "5DL-HC" of the simulated circuit breaker module 5DL, and the DC positive current passes through the button "5DL-HC" to the "5DL-SW: 3" contact in the simulated circuit breaker module 5DL. The "5DL-SW: 3" contact and the "5DL-SW: 2" contact in the analog circuit breaker module 5DL are normally closed contacts, and the positive DC current passes through and is transmitted to the "5DL-SW: 1" in the analog circuit breaker module 5DL. ” contact, which is connected to the positive pole of the action coil of the relay “5DL-SW”. The "5DL-SW: 6" contact in the simulated circuit breaker module 5DL has DC negative power, and the contact is connected to the negative pole of the action coil of the relay "5DL-SW". Constitute a DC circuit, simulate the action of the two-position relay "5DL-SW" in the circuit breaker module 5DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "5DL-SW: 2" and "5DL-SW: 3" is disconnected; the normally open contact between "5DL-SW: 4" and "5DL-SW: 5" is connected; "5DL The normally open contact between -SW: 8" and "5DL-SW: 9" is conducting.

The normally open contact between "5DL-SW: 4" and "5DL-SW: 5" in the simulated circuit breaker module 5DL conducts, and the DC positive current passes through the circuit breaker "ZLKK" and "5DL-SW: 4" and "5DL The contact between -SW: 5" is transmitted to the terminal "5DL-KⅠ: 1" of the intermediate relay "5DL-KⅠ" of the analog circuit breaker module 5DL and the terminal "5DL-KⅡ: 1" of "5DL-KⅡ".

The "5DL-KI: 1" terminal in the analog circuit breaker module 5DL is connected to the positive pole of the relay "5DL-KI" coil. The “5DL-KI: 2” contact in the simulated circuit breaker module 5DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay “5DL-KI”. Constitute a DC circuit, simulate the action of the intermediate relay "5DL-KI" in the circuit breaker module 5DL, and reverse the on-off status of each contact of the relay. The normally open contact between "5DL-KⅠ: a1" and "5DL-KⅠ: a2" conducts, and the DC positive electricity carried by "5DL-KI: a1" connects to the red light "5DL-D1", forming a negative DC current. circuit, the red light "5DL-D1" turns from off to on; the normally closed contact between "5DL-KⅠ:a1" and "5DL-KⅠ:a3" is disconnected, and "5DL-KⅠ:a3" loses DC positive power, The circuit where the green light "5DL-D2" is located is broken, and the green light "5DL-D2" changes from on to off; the normally open contact between "5DL-KⅠ:b1" and "5DL-KⅠ:b2" is turned on, and the analog circuit breaker module The DC positive power transmitted by the "2DL-GY2" terminal in 2DL is transmitted to the analog circuit breaker module 4DL through the contact between "5DL-GY1" and "5DL-GY2" in the analog circuit breaker module 5DL, and the experimental switch "AN4" "4DL-GY2".

The "5DL-KⅡ:1" terminal in the simulated circuit breaker module 5DL is connected to the positive pole of the relay "5DL-KⅡ" coil. The "5DL-KⅡ: 2" contact in the simulated circuit breaker module 5DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "5DL-KⅡ". Constitute a DC circuit, simulate the action of the intermediate relay "5DL-KⅡ" in the circuit breaker module 5DL, and reverse the on-off status of each contact of the relay. The normally open contact between "5DL-KⅡ: a1" and "5DL-KⅡ: a2" is conducting, and the connection line "5DL-801Ⅰ" and "5DL-802Ⅰ" connecting the tester and the standby automatic switching device are conducting; "5DL- The normally closed contact between KⅡ: a1" and "5DL-KⅡ: a3" is disconnected, and the connection line "5DL-801Ⅰ" and "5DL-803Ⅰ" between the tester and the standby automatic switching device are disconnected; "5DL-KⅡ: b1 " and "5DL-KⅡ: b2" are normally open contacts, and the connecting line "5DL-801Ⅱ" and "5DL-802Ⅱ" between the tester and the standby self-injection device are connected; "5DL-KⅡ: b1" and " 5DL-KⅡ: The normally closed contact between b3" is disconnected, and the connection line "5DL-801Ⅱ" and "5DL-803Ⅱ" between the tester and the standby automatic switching device are disconnected.

4. Simulate the action of the transformer module:

Analog transformer module "1PT": DC positive electricity enters the analog transformer module "1PT" terminal "1PT-YCDY" through the circuit breaker "ZLKK" and the experimental switch "AN1". This terminal is connected to the positive pole of the relay "1PT-I" coil and Relay "1PT-Ⅱ" coil positive. When the negative poles of the two relay coils are long, there is a DC negative current to form a DC circuit, which simulates the action of the intermediate relays 1PT-I and "1PT-II" in the transformer module "1PT", and the relay contacts are turned on and off. "1PT-I: a1 " and "1PT-I: a2" are normally open contacts, and the DC positive electricity carried by "1PT-Ⅰ: a1" is connected to the yellow light "1PT-D3" to form a circuit with the DC negative electricity, and the yellow light "1PT- D3" changes from off to bright; the normally open contact between "1PT-I: b1" and "1PT-I: b2" is turned on, and the phase A voltage is transmitted to the standby automatic input device through the test line; "1PT-II: a1 " and "1PT-II: a2" are normally open contacts, and the B-phase voltage is transmitted to the standby self-injection device through the test line; "1PT-II: b1" and "1PT-II: b2" are normally open The contact is turned on, and the C-phase voltage is transmitted to the standby self-injection device through the test line.

Analog transformer module "2PT": DC positive electricity enters the analog transformer module "2PT" terminal "2PT-YCDY" through the circuit breaker "ZLKK" and the experimental switch "AN2". This terminal is connected to the positive pole of the relay "2PT-I" coil and Relay "2PT-Ⅱ" coil positive. When the negative poles of the two relay coils are long, they form a DC circuit with DC negative electricity, which simulates the action of the intermediate relays 2PT-I and "2PT-II" in the transformer module "2PT", and the on-off status of each contact of the relay is reversed. "2PT-I: a1 " and "2PT-I: a2" are normally open contacts, and the DC positive current carried by "2PT-I: a1" is connected to the yellow light "2PT-D3", forming a circuit with the DC negative power, and the yellow light "2PT -D3" changes from off to bright; the normally open contact between "2PT-I: b1" and "2PT-I: b2" is turned on, and the phase A voltage is transmitted to the standby self-injection device through the test line; "2PT-II: The normally open contact between a1" and "2PT-II: a2" is turned on, and the B-phase voltage is transmitted to the standby automatic switching device through the test line; between "2PT-II: b1" and "2PT-II: b2" is normally The open contact conducts, and the C-phase voltage is transmitted to the standby self-injection device through the test line.

Simulated transformer module "3PT": positive direct current passes through air switch "ZLKK", experimental switch "AN1", contact between "1DL-GY1" and "1DL-GY2" in simulated circuit breaker module 1DL, simulated circuit breaker module The contact between "2DL-GY1" and "2DL-GY2" in 2DL, the experimental switch "AN3" enters the terminal "3PT-YCDY" of the analog transformer module "3PT", which is connected to the positive pole of the relay "3PT-I" coil And relay "3PT-Ⅱ" coil positive. The negative poles of the two relay coils carry negative DC electricity for a long time, forming a DC circuit, simulating the action of the intermediate relays 3PT-I and "3PT-II" in the transformer module "3PT", and the on-off status of each contact of the relay is reversed. "3PT-I : a1" and "3PT-I: a2" are connected normally open contacts, and the DC positive current carried by "3PT-I: a1" is connected to the yellow light "3PT-D3", forming a loop with the DC negative power, and the yellow light "3PT-D3" changes from off to bright; the normally open contact between "3PT-I: b1" and "3PT-I: b2" is turned on, and the phase A voltage is transmitted to the standby self-injection device through the test line; "3PT- The normally open contact between Ⅱ: a1" and "3PT-Ⅱ: a2" is conducting, and the phase B voltage is transmitted to the standby automatic switching device through the test line; the connection between "3PT-Ⅱ: b1" and "3PT-Ⅱ: b2" The normally open contacts between are turned on, and the phase C voltage is transmitted to the standby self-injection device through the test line.

Simulated transformer module "4PT": positive direct current passes through air switch "ZLKK", experimental switch "AN1", contact between "1DL-GY1" and "1DL-GY2" in simulated circuit breaker module 1DL, simulated circuit breaker module The contact between "2DL-GY1" and "2DL-GY2" in 2DL, the experimental switch "AN3", and the contact between "5DL-GY1" and "5DL-GY2" in the analog circuit breaker module 5DL enter the analog transformer module The terminal "4PT-YCDY" of "4PT" is connected to the positive pole of the coil of the relay "4PT-I" and the positive pole of the coil of the relay "4PT-II". The negative poles of the two relay coils carry negative DC electricity for a long time, forming a DC circuit, simulating the action of the intermediate relays 4PT-I and "4PT-II" in the transformer module "4PT", and the on-off status of each contact of the relay is reversed. "4PT-I : a1” and “4PT-I: a2” are connected normally open contacts, and the DC positive current carried by “4PT-I: a1” is connected to the yellow light “4PT-D3”, forming a circuit with the DC negative power, and the yellow light "4PT-D3" changes from off to bright; the normally open contact between "4PT-Ⅰ:b1" and "4PT-Ⅰ:b2" is turned on, and the voltage of phase A is transmitted to the standby automatic switching device through the test line; "4PT- The normally open contact between Ⅱ: a1" and "4PT-Ⅱ: a2" is conducting, and the phase B voltage is transmitted to the standby automatic switching device through the test line; the connection between "4PT-Ⅱ: b1" and "4PT-Ⅱ: b2" The normally open contacts between the two are turned on, and the C-phase voltage is transmitted to the standby self-injection device through the test line.

Step 3: Test status:

Push the experimental switch "AN3" to the off position. The positive electricity disappears from the experimental switch "AN3" through the contact between "5DL-GY1" and "5DL-GY2" in the simulated circuit breaker module 5DL, from the experimental switch "AN4" to "4DL-GY2" in the simulated circuit breaker module 4DL.

Simulated transformer module "3PT": DC positive current channel is disconnected, terminal "3PT-YCDY" of simulated transformer module "3PT" has no DC positive power input, intermediate relay 3PT-I" and "3PT-Ⅱ" resets, and each contact of the relay turns on and off. The normally open contact between "3PT-Ⅰ: a1" and "3PT-Ⅰ: a2" is disconnected, and the yellow light "3PT-D3" has no DC positive power input, the yellow light "3PT-D3" changes from on to off; " and "3PT-Ⅱ: a2" normally open contacts open, B phase voltage stops output; "3PT-Ⅱ: b1" and "3PT-Ⅱ: b2" normally open contacts open, C phase The voltage output stops.

Analog transformer module "4PT": DC positive current channel is disconnected, terminal "4PT-YCDY" of analog transformer module "4PT" has no direct current positive input, and intermediate relay 4PT-I" in analog transformer module "4PT" and "4PT-II" resets, and the on-off status of each contact of the relay is reversed. The normally open contact between "4PT-I: a1" and "4PT-I: a2" is disconnected, and the yellow light "4PT-D3" has no DC positive Electric input, the yellow light "4PT-D3" changes from on to off; the normally open contact between "4PT-I: b1" and "4PT-I: b2" is disconnected, and the output of phase A voltage stops; "4PT-II: The normally open contact between a1" and "4PT-Ⅱ:a2" is disconnected, and the output of phase B voltage stops;

Step 4: Action process of the self-injection device

1. The analog circuit breaker module 1DL for the standby automatic switching device;

The standby self-injection device sends a DC positive signal to the tester through the test line "1DL33", and the DC positive signal is transmitted to the "1DL-SW: 9" contact in the analog circuit breaker module 1DL. The "1DL-SW: 9" contact and the "1DL-SW: 8" contact in the analog circuit breaker module 1DL are normally open contacts. When the relay is activated, it is closed, and the positive DC current passes through, and is transmitted to the analog circuit breaker module 1DL. 1DL-SW: 7” contact, which is connected to the positive pole of the return coil of the relay “1DL-SW”. The "1DL-SW: 12" contact in the simulated circuit breaker module 1DL has DC negative power, and the contact is connected to the negative pole of the return coil of the relay "1DL-SW". Constitute a DC circuit, simulate the reset of the two-position relay "1DL-SW" in the circuit breaker module 1DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "1DL-SW: 2" and "1DL-SW: 3" is closed; the normally open contact between "1DL-SW: 4" and "1DL-SW: 5" is open; "1DL-SW: 5" The normally open contact between SW: 8" and "1DL-SW: 9" is broken.

The normally open contact between "1DL-SW: 4" and "1DL-SW: 5" in the simulated circuit breaker module 1DL is disconnected, and the terminal "1DL-KⅠ" of the intermediate relay "1DL-KⅠ" of the simulated circuit breaker module 1DL: 1" and "1DL-KⅡ" terminal "1DL-KⅡ: 1" loses positive DC power, the relay resets, and the on-off status of each contact of the relay is reversed. The normally open contact between "1DL-KⅠ:a1" and "1DL-KⅠ:a2" is disconnected, "1DL-KⅠ:a2" loses DC positive power, and the circuit where the red light "1DL-D1" is located is broken, and the red light " 1DL-D1" turns from on to off; the normally closed contact between "1DL-KⅠ: a1" and "1DL-KⅠ: a3" is closed, and the positive DC current is connected to the green light "1DL-D2", forming a negative current with DC circuit, the green light "1DL-D2" turns from off to on; the normally open contact between "1DL-KⅠ:b1" and "1DL-KI:b2" is disconnected. The normally open contact between "1DL-KⅡ: a1" and "1DL-KⅡ: a2" is disconnected, and the connection line "1DL-801Ⅰ" and "1DL-802Ⅰ" between the tester and the standby automatic switching device are disconnected; "1DL- The normally closed contact between KⅡ: a1" and "1DL-KⅡ: a3" is closed, and the connection line "1DL-801Ⅰ" and "1DL-803Ⅰ" between the tester and the standby automatic switching device are connected; "1DL-KⅡ: b1" The normally open contact between "1DL-KⅡ:b2" and "1DL-KⅡ:b2" is disconnected, and the connection line "1DL-801Ⅱ" and "1DL-802Ⅱ" between the tester and the standby automatic switching device are disconnected; "1DL-KⅡ:b1" and "1DL -KⅡ: The normally closed contact between b3" is closed, and the connection line "1DL-801Ⅱ" and "1DL-803Ⅱ" between the tester and the automatic switching device are connected.

2. The analog circuit breaker module 2DL for the standby automatic switching device;

The standby self-injection device sends a DC positive signal to the tester through the test line "2DL33", and the DC positive signal is transmitted to the "2DL-SW: 9" contact in the analog circuit breaker module 2DL. The "2DL-SW: 9" contact and the "2DL-SW: 8" contact in the analog circuit breaker module 2DL are normally open contacts. When the relay is activated, it is closed, and the positive DC current passes through, and is transmitted to the analog circuit breaker module 2DL. 2DL-SW: 7" contact, which is connected to the positive pole of the return coil of the relay "2DL-SW". The "2DL-SW: 12" contact in the simulated circuit breaker module 2DL has DC negative power, and the contact is connected to the negative pole of the return coil of the relay "2DL-SW". Constitute a DC circuit, simulate the reset of the two-position relay "2DL-SW" in the circuit breaker module 2DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "2DL-SW: 2" and "2DL-SW: 3" is closed; the normally open contact between "2DL-SW: 4" and "2DL-SW: 5" is open; "2DL-SW: 5" The normally open contact between SW: 8" and "2DL-SW: 9" is broken.

The normally open contact between "2DL-SW: 4" and "2DL-SW: 5" in the simulated circuit breaker module 2DL is disconnected, and the terminal "2DL-KⅠ" of the intermediate relay "2DL-KⅠ" of the simulated circuit breaker module 2DL: 1" and "2DL-KⅡ" terminal "2DL-KⅡ: 1" loses positive DC power, the relay resets, and the on-off status of each contact of the relay is reversed. The normally open contact between "2DL-KⅠ: a1" and "2DL-KⅠ: a2" is disconnected, "2DL-KⅠ: a2" loses DC positive power, and the circuit where the red light "2DL-D1" is located is broken, and the red light " 2DL-D1" turns from on to off; the normally closed contact between "2DL-KⅠ:a1" and "2DL-KⅠ:a3" is closed, and the DC positive electricity it brings is connected to the green light "2DL-D2", forming a positive current with the DC negative electricity. circuit, the green light "2DL-D2" turns from off to on; the normally open contact between "2DL-KⅠ:b1" and "2DL-KI:b2" is disconnected. The normally open contact between "2DL-KⅡ: a1" and "2DL-KⅡ: a2" is disconnected, and the connection line "2DL-801Ⅰ" and "2DL-802Ⅰ" between the tester and the standby automatic switching device are disconnected; "2DL- The normally closed contact between KⅡ: a1" and "2DL-KⅡ: a3" is closed, and the connection line "2DL-801Ⅰ" and "2DL-803Ⅰ" between the tester and the standby automatic switching device are connected; "2DL-KⅡ: b1" The normally open contact between "2DL-KⅡ:b2" and "2DL-KⅡ:b2" is disconnected, and the connection line "2DL-801Ⅱ" and "2DL-802Ⅱ" between the tester and the standby automatic switching device are disconnected; "2DL-KⅡ:b1" and "2DL -KⅡ: The normally closed contact between b3" is closed, and the connection line "2DL-801Ⅱ" and "2DL-803Ⅱ" between the tester and the automatic switching device are connected.

3. Standby automatic switching device and analog circuit breaker module 3DL;

The standby self-injection device sends out a DC positive signal to the tester through the test line "3DL3", and the DC positive signal is transmitted to the "3DL-SW: 3" contact in the analog circuit breaker module 3DL. The "3DL-SW: 3" contact and the "3DL-SW: 2" contact in the analog circuit breaker module 3DL are normally closed contacts, and the positive DC current passes through and is transmitted to the "3DL-SW: 1" in the analog circuit breaker module 3DL. ” contact, which is connected to the positive pole of the action coil of the relay “3DL-SW”. The "3DL-SW: 6" contact in the simulated circuit breaker module 3DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "3DL-SW". Constitute a DC circuit, simulate the action of the two-position relay "3DL-SW" in the circuit breaker module 3DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "3DL-SW: 2" and "3DL-SW: 3" is disconnected; the normally open contact between "3DL-SW: 4" and "3DL-SW: 5" is connected; "3DL The normally open contact between -SW: 8" and "3DL-SW: 9" is conducting.

The normally open contact between "3DL-SW: 4" and "3DL-SW: 5" in the simulated circuit breaker module 3DL conducts, and the DC positive current passes through the circuit breaker "ZLKK" and "3DL-SW: 4" and "3DL The contact between -SW: 5" is transmitted to the terminal "3DL-KⅠ: 1" of the intermediate relay "3DL-KⅠ" of the analog circuit breaker module 3DL and the terminal "3DL-KⅡ: 1" of "3DL-KⅡ".

The "3DL-KI: 1" terminal in the simulated circuit breaker module 3DL is connected to the positive pole of the relay "3DL-KI" coil. The "3DL-KI: 2" contact in the analog circuit breaker module 3DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "3DL-KI". Constitute a DC circuit, simulate the action of the intermediate relay "3DL-KI" in the circuit breaker module 3DL, and reverse the on-off status of each contact of the relay. The normally open contact between "3DL-KⅠ: a1" and "3DL-KⅠ: a2" conducts, and the DC positive electricity carried by "3DL-KI: a1" connects to the red light "3DL-D1", forming a negative DC current. circuit, the red light "3DL-D1" turns from off to on; the normally closed contact between "3DL-KⅠ:a1" and "3DL-KⅠ:a3" is disconnected, and "3DL-KⅠ:a3" loses DC positive power, The circuit where the green light "3DL-D2" is located is broken, and the green light "3DL-D2" changes from on to off; Open, experimental switch "AN2", contact between "3DL-GY1" and "3DL-GY2" in the analog circuit breaker module 3DL, and transmit to "4DL-GY1" in the analog circuit breaker module 4DL.

The "3DL-KⅡ:1" terminal in the analog circuit breaker module 3DL is connected to the positive pole of the relay "3DL-KⅡ" coil. The “3DL-KⅡ: 2” contact in the simulated circuit breaker module 3DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay “3DL-KⅡ”. Constitute a DC circuit, simulate the action of the intermediate relay "3DL-KⅡ" in the circuit breaker module 3DL, and reverse the on-off status of each contact of the relay. The normally open contact between "3DL-KⅡ:a1" and "3DL-KⅡ:a2" is conducting, and the connection line "3DL-801Ⅰ" and "3DL-802Ⅰ" connecting the tester and the standby automatic switching device are conducting; "3DL- The normally closed contact between KⅡ: a1" and "3DL-KⅡ: a3" is disconnected, and the connection line "3DL-801Ⅰ" and "3DL-803Ⅰ" between the tester and the standby automatic switching device are disconnected; "3DL-KⅡ: b1 " and "3DL-KⅡ: b2" are normally open contacts, and the connection line "3DL-801Ⅱ" and "3DL-802Ⅱ" between the tester and the standby self-injection device are connected; "3DL-KⅡ: b1" and " 3DL-KⅡ: The normally closed contact between b3" is disconnected, and the connection line "3DL-801Ⅱ" and "3DL-803Ⅱ" between the tester and the standby automatic switching device are disconnected.

4. Standby automatic switching device and analog circuit breaker module 4DL;

The standby self-injection device sends a DC positive signal to the tester through the test line "4DL3", and the DC positive signal is transmitted to the "4DL-SW: 3" contact in the analog circuit breaker module 4DL. The "4DL-SW: 3" contact and the "4DL-SW: 2" contact in the analog circuit breaker module 4DL are normally closed contacts, and the positive DC current passes through and is transmitted to the "4DL-SW: 1" in the analog circuit breaker module 4DL. ” contact, which is connected to the positive pole of the action coil of the relay “4DL-SW”. The "4DL-SW: 6" contact in the simulated circuit breaker module 4DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "4DL-SW". Constitute a DC circuit, simulate the action of the two-position relay "4DL-SW" in the circuit breaker module 4DL, and reverse the on-off status of each contact of the relay. The normally closed contact between "4DL-SW: 2" and "4DL-SW: 3" is disconnected; the normally open contact between "4DL-SW: 4" and "4DL-SW: 5" is connected; "4DL The normally open contact between -SW: 8" and "4DL-SW: 9" is conducting.

The normally open contact between "4DL-SW: 4" and "4DL-SW: 5" in the simulated circuit breaker module 4DL conducts, and the DC positive current passes through the circuit breaker "ZLKK" and "4DL-SW: 4" and "4DL The contact between -SW: 5" is transmitted to the terminal "4DL-KⅠ: 1" of the intermediate relay "4DL-KⅠ" of the analog circuit breaker module 4DL and the terminal "4DL-KⅡ: 1" of "4DL-KⅡ".

The "4DL-KⅠ:1" terminal in the analog circuit breaker module 4DL is connected to the positive pole of the relay "4DL-KI" coil. The "4DL-KI: 2" contact in the simulated circuit breaker module 4DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay "4DL-KI". Constitute a DC circuit, simulate the action of the intermediate relay "4DL-KI" in the circuit breaker module 4DL, and reverse the on-off status of each contact of the relay. The normally open contact between "4DL-KⅠ: a1" and "4DL-KⅠ: a2" conducts, and the DC positive electricity carried by "4DL-KI: a1" connects to the red light "4DL-D1", forming a negative DC current. circuit, the red light "4DL-D1" turns from off to on; the normally closed contact between "4DL-KⅠ:a1" and "4DL-KⅠ:a3" is disconnected, and "4DL-KⅠ:a3" loses DC positive power, The circuit where the green light "4DL-D2" is located is broken, and the green light "4DL-D2" turns from on to off; The DC positive power transmitted by the "3DL-GY2" terminal in the 3DL is transmitted to the analog circuit breaker module 5DL through the contact between "4DL-GY1" and "4DL-GY2" in the analog circuit breaker module 4DL and the experimental switch "AN4" "5DL-GY2".

The "4DL-KⅡ:1" terminal in the analog circuit breaker module 4DL is connected to the positive pole of the relay "4DL-KⅡ" coil. The “4DL-KⅡ: 2” contact in the simulated circuit breaker module 4DL has DC negative electricity, and the contact is connected to the negative pole of the action coil of the relay “4DL-KⅡ”. Constitute a DC circuit, simulate the action of the intermediate relay "4DL-KⅡ" in the circuit breaker module 4DL, and reverse the on-off status of each contact of the relay. The normally open contact between "4DL-KⅡ: a1" and "4DL-KⅡ: a2" is conducting, and the connection line "4DL-801Ⅰ" and "4DL-802Ⅰ" connecting the tester and the standby automatic switching device are conducting; "4DL- The normally closed contact between KⅡ: a1" and "4DL-KⅡ: a3" is disconnected, and the connection line "4DL-801Ⅰ" and "4DL-803Ⅰ" between the tester and the standby automatic switching device are disconnected; "4DL-KⅡ: b1 " and "4DL-KⅡ: b2" are normally open contacts, and the connection line "4DL-801Ⅱ" and "4DL-802Ⅱ" between the tester and the standby automatic switching device are connected; "4DL-KⅡ: b1" and " 4DL-KⅡ: The normally closed contact between b3" is disconnected, and the connection line "4DL-801Ⅱ" and "4DL-803Ⅱ" between the tester and the standby automatic switching device are disconnected.

5. Simulate the action of the transformer module:

Simulated transformer module "3PT": positive direct current passes through air switch "ZLKK", experimental switch "AN2", contact between "3DL-GY1" and "3DL-GY2" in simulated circuit breaker module 3DL, simulated circuit breaker module The contact between "4DL-GY1" and "4DL-GY2" in 4DL, the experimental switch "AN4", and the contact between "5DL-GY1" and "5DL-GY2" in the analog circuit breaker module 5DL enter the analog transformer module The terminal "3PT-YCDY" of "3PT" is connected to the positive pole of the coil of the relay "3PT-I" and the positive pole of the coil of the relay "3PT-II". The negative poles of the two relay coils carry negative DC electricity for a long time, forming a DC circuit, simulating the action of the intermediate relays 3PT-I and "3PT-II" in the transformer module "3PT", and the on-off status of each contact of the relay is reversed. "3PT-I : a1" and "3PT-I: a2" are connected normally open contacts, and the DC positive current carried by "3PT-I: a1" is connected to the yellow light "3PT-D3", forming a loop with the DC negative power, and the yellow light "3PT-D3" changes from off to bright; the normally open contact between "3PT-I: b1" and "3PT-I: b2" is turned on, and the phase A voltage is transmitted to the standby self-injection device through the test line; "3PT- The normally open contact between Ⅱ: a1" and "3PT-Ⅱ: a2" is conducting, and the phase B voltage is transmitted to the standby automatic switching device through the test line; the connection between "3PT-Ⅱ: b1" and "3PT-Ⅱ: b2" The normally open contacts between the two are turned on, and the C-phase voltage is transmitted to the standby self-injection device through the test line.

Simulated transformer module "4PT": DC positive electricity passes through air switch "ZLKK", experimental switch "AN2", contact between "3DL-GY1" and "3DL-GY2" in simulated circuit breaker module 3DL, simulated circuit breaker module The contact between "4DL-GY1" and "4DL-GY2" in 4DL, the experimental switch "AN4" enters the terminal "4PT-YCDY" of the analog transformer module "4PT", which is connected to the positive pole of the relay "4PT-I" coil And relay "4PT-Ⅱ" coil positive. The negative poles of the two relay coils carry negative DC electricity for a long time, forming a DC circuit, simulating the action of the intermediate relays 4PT-I and "4PT-II" in the transformer module "4PT", and the on-off status of each contact of the relay is reversed. "4PT-I : a1” and “4PT-I: a2” are connected normally open contacts, and the DC positive current carried by “4PT-I: a1” is connected to the yellow light “4PT-D3”, forming a circuit with the DC negative power, and the yellow light "4PT-D3" changes from off to bright; the normally open contact between "4PT-Ⅰ:b1" and "4PT-Ⅰ:b2" is turned on, and the voltage of phase A is transmitted to the standby automatic switching device through the test line; "4PT- The normally open contact between Ⅱ: a1" and "4PT-Ⅱ: a2" is conducting, and the phase B voltage is transmitted to the standby automatic switching device through the test line; the connection between "4PT-Ⅱ: b1" and "4PT-Ⅱ: b2" The normally open contacts between the two are turned on, and the C-phase voltage is transmitted to the standby self-injection device through the test line.

Step 5: The logical function of the automatic switching device is correct and meets the requirements, and the device under test can be put into operation.

Claims (8)

1. checking main transformer mutual is thrown a prepared auto restart logic test method for mode, it is characterized in that: its step is as follows:

The first step: tester test wire access: comprising: by subsidiary test cable, 1), " DL1 ", " DL3 ", " DL33 " of input " operation " jack of tester mimic-disconnecting switch module 1DL to 5DL are held be connected with " common port ", " closing signal end ", " the sub-signal end " of backup auto-activating device 1# main transformer high-pressure side breaker operator respectively; 2), " 801 I end ", " the 802 I end " of output " signal " jack of tester mimic-disconnecting switch module 1DL to 5DL, " 803 I end " are connected respectively with " common port ", " closing signal end ", " the sub-signal end " of backup auto-activating device 1# main transformer high-pressure side breaker signal terminal; 3), make the corresponding 1# main transformer of the mimic-disconnecting switch module 1DL high-pressure side isolating switch of tester, the corresponding 1# main transformer of mimic-disconnecting switch module 2DL low-pressure side isolating switch, the corresponding 2# main transformer of mimic-disconnecting switch module 3DL high-pressure side isolating switch, the corresponding 2# main transformer of mimic-disconnecting switch module 4DL low-pressure side isolating switch, the corresponding main transformer low-pressure side of mimic-disconnecting switch module 5DL section switch;

Second step: set up experiment original state: the power change-over switch of the mimic-disconnecting switch module 1DL to 5DL of tester is allocated to " installation's power source " gear, the direct supply that in test, use test instrument provides, and the direct current sky on tester is left to " ZLKK " and exchanges sky and open " JLKK " and be pushed into conduction position; Mimic-disconnecting switch module 1DL, mimic-disconnecting switch module 2DL, mimic-disconnecting switch module 5DL are adjusted to closing position: make to test switch " AN1 ", " AN2 ", " AN3 ", " AN4 " and be pushed into conduction position;

1), setting manual operation mimic-disconnecting switch module 1DL is the state closing;

2), setting manual operation mimic-disconnecting switch module 2DL is the state closing;

3), setting manual operation mimic-disconnecting switch module 5DL is the state closing;

4), detect the duty of simulation mutual inductor module " 1PT " to " 4PT ";

The 3rd step: trystate:

1), will test switch " AN3 " and be pushed into open position, by experiment switch " AN3 " through contact between " 5DL-GY1 " and " 5DL-GY2 " in mimic-disconnecting switch module 5DL, experiment switch " AN4 " to " 4DL-GY2 " positive electricity disappearance in mimic-disconnecting switch module 4DL;

2), simulation mutual inductor module " 3PT " action: the positive electric channel of direct current disconnects, simulation mutual inductor module " 3PT " is inputted without direct current positive electricity, auxiliary reclay " 3PT-I " and " 3PT-II " involution of simulation mutual inductor module " 3PT ", the upset of the each contact of relay break-make situation; Amber light " 3PT-D3 " is gone out by bright change;

Between " b1-b2 of 3PT-I ", normally opened contact disconnects, and A phase voltage stops output;

Between " a1-a2 of 3PT-II ", normally opened contact disconnects, and B phase voltage stops output;

Between " b1-b2 of 3PT-II ", normally opened contact disconnects, and C phase voltage stops output;

3), simulation mutual inductor module " 4PT " action: the positive electric channel of direct current disconnects, simulation mutual inductor module " 4PT " is inputted without direct current positive electricity, auxiliary reclay " 4PT-I " and " 4PT-II " involution of simulation mutual inductor module " 4PT ", the upset of the each contact of relay break-make situation; Amber light " 4PT-D3 " is gone out by bright change;

Between " b1-b2 of 4PT-I ", normally opened contact disconnects, and A phase voltage stops output;

Between " a1-a2 of 4PT-II ", normally opened contact disconnects, and B phase voltage stops output;

Between " b1-b2 of 4PT-II ", normally opened contact disconnects, and C phase voltage stops output;

The 4th step: detect backup auto-activating device course of action:

1), detect the state simulation breaker module 1DL that backup auto-activating device divides;

2), detect the state simulation breaker module 2DL that backup auto-activating device divides;

3), detect the state simulation breaker module 3DL that backup auto-activating device closes;

4), detect the state simulation breaker module 4DL that backup auto-activating device closes;

5), detect the operation acts state of simulation mutual inductor module " 1PT " to " 4PT ";

The 5th step: the logic function that detects prepared auto restart correctly meets the requirements, and tested backup auto-activating device can add operation;

Wherein, the duty of the state simulation breaker module 4DL that detection backup auto-activating device closes:

Backup auto-activating device sends the positive electric signal of direct current by test wire " 4DL3 " to tester, direct current positive electricity transfers to by mimic-disconnecting switch module 4DL repeat circuit " 4DL-SW " normally closed contact 3-2 end 1 contact that connects relay " 4DL-SW " actuation coil positive pole, connect 6 contact band direct current negative electricity of relay " 4DL-SW " actuation coil negative pole, form DC loop; Two-position relay " 4DL-SW " action in mimic-disconnecting switch module 4DL, the upset of the each contact of relay break-make situation; Relay " 4DL-SW " normally closed contact 3-2 holds disconnection, normally opened contact 4-5 conducting, normally opened contact 8-9 conducting;

The 4-5 that direct current positive electricity is opened " ZLKK " and relay " 4DL-SW " normally opened contact by sky holds the terminal 1 of auxiliary reclay " 4DL-K I " coil electrode that transfers to mimic-disconnecting switch module 4DL and the terminal 1 of " 4DL-K II " coil electrode, form DC loop, auxiliary reclay " 4DL-K I " action of mimic-disconnecting switch module 4DL, normally opened contact conducting between " a1-a2 of 4DL-K I ", red light " 4DL-D1 " brightens by going out; Green light " 4DL-D2 " is gone out by bright change; Normally opened contact conducting between " b1-b2 of 4DL-K I ", pass through " 4DL-GY1 " and " 4DL-GY2 " conducting contact, experiment switch " AN4 " in mimic-disconnecting switch module 4DL by the direct current positive electricity of " 3DL-GY2 " terminal transmission in mimic-disconnecting switch module 3DL, transfer in mimic-disconnecting switch module 5DL " 5DL-GY2 ";

Meanwhile, " action of 4DL-K II, the upset of the each contact of relay break-make situation in mimic-disconnecting switch module 4DL; Normally opened contact conducting between " a1-a2 of 4DL-K II ", backup auto-activating device connecting line " 4DL-801 I " and " 4DL-802 I " conducting; Between " a1-a3 of 4DL-K II ", normally closed contact disconnects, and backup auto-activating device connecting line " 4DL-801 I " disconnects with " 4DL-803 I "; Normally opened contact conducting between " b1-b2 of 4DL-K II ", backup auto-activating device connecting line " 4DL-801 II " and " 4DL-802 II " conducting; Between " b1-b3 of 4DL-K II ", normally closed contact disconnects, and backup auto-activating device connecting line " 4DL-801 II " disconnects with " 4DL-803 II ".

2. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: setting manual operation mimic-disconnecting switch module 1DL is the state closing:

Press the switch knob HC of mimic-disconnecting switch module 1DL, direct current positive electricity transfers to by relay " 1DL-SW " the normally closed contact 3-2 end in switch knob HC, mimic-disconnecting switch module 1DL 1 tip node that connects relay " 1DL-SW " actuation coil positive pole; 6 tip nodes in relay " 1DL-SW " connect relay " 1DL-SW " actuation coil negative pole and form DC loop; Relay " 1DL-SW " action, the each switch contact break-make upset of relay: relay " 1DL-SW " normally closed contact 3-2 holds disconnection, and normally opened contact 4-5 holds conducting, and normally opened contact 8-9 holds conducting;

The normally opened contact 4-5 terminal contacts that direct current positive electricity is opened conducting in " ZLKK " and relay " 1DL-SW " by sky transfers to the terminal 1 of relay " 1DL-K I " coil electrode and the terminal 1 of relay " 1DL-K II " coil electrode of mimic-disconnecting switch module 1DL; Relay " 1DL-K I " and relay " 1DL-K II " actuation coil negative pole band direct current negative electricity, energising relay " 1DL-K I " and relay " 1DL-K II " upset:

The normally opened contact conducting of the a1-a2 end of relay " 1DL-K I ", the a1 end direct current positive electricity of being with of relay " 1DL-K I " is communicated to red light D1, and red light D1 brightens by going out; Meanwhile, green light D2 is gone out by bright change; The normally opened contact conducting of the b1-b2 end of relay " 1DL-K I "; B1 end connects experiment switch " AN1 " by connection terminal " 1DL-GY1 ", and b2 terminated line terminal connects " 1DL-GY2 "; The conducting connection terminal " 1DL-GY1 " that direct current positive electricity is opened, tested in switch " AN1 ", mimic-disconnecting switch module 1DL by sky transfers to the connection terminal " 2DL-GY1 " in mimic-disconnecting switch module 2DL with " 1DL-GY2 ";

Relay " 1DL-K II " action, the normally opened contact conducting of the terminal a1-a2 of relay " 1DL-K II ", terminal a1 is connected respectively backup auto-activating device connection terminal 1DL-801 I and 1DL-802 I with terminal a2, backup auto-activating device connecting line " 1DL-801 I " and " 1DL-802 I " conducting;

Meanwhile, the normally closed contact between the terminal a1-a3 of relay " 1DL-K II " disconnects, and the backup auto-activating device connection terminal 1DL-803 I that terminal a3 connects and 1DL-801 I disconnect;

Meanwhile, the normally opened contact conducting of the b1-b2 end of relay " 1DL-K II ", backup auto-activating device connecting line " 1DL-801 II " and " 1DL-802 II " conducting;

Meanwhile, the normally closed contact between the terminal b1-b3 of relay " 1DL-K II " disconnects, and backup auto-activating device connecting line " 1DL-801 II " disconnects with " 1DL-803 II ".

3. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: setting manual operation mimic-disconnecting switch module 2DL is the state closing:

Press the switch knob HC of mimic-disconnecting switch module 2DL, direct current positive electricity transfers to by relay " 2DL-SW " the normally closed contact 3-2 end in switch knob HC, mimic-disconnecting switch module 2DL 1 tip node that connects relay " 2DL-SW " actuation coil positive pole; 6 tip nodes in relay " 2DL-SW " connect relay " 12DL-SW " actuation coil negative pole and form DC loop; Relay " 2DL-SW " action, the each switch contact break-make upset of relay: the normally closed contact 3-2 end in relay " 2DL-SW " disconnects, and normally opened contact 4-5 holds conducting, and normally opened contact 8-9 holds conducting;

The normally opened contact 4-5 terminal contacts that direct current positive electricity is opened " ZLKK ", mimic-disconnecting switch module 2DL repeat circuit " 2DL-SW " conducting by sky transfers to the terminal 1 of relay " 2DL-K I " coil electrode and the terminal 1 of relay " 2DL-K II " coil electrode of mimic-disconnecting switch module 2DL; Relay " 2DL-K I " and relay " 2DL-K II " actuation coil negative pole band direct current negative electricity, energising relay " 2DL-K I " and relay " 2DL-K II " upset:

The normally opened contact conducting of the a1-a2 end of relay " 2DL-K I ", the a1 end direct current positive electricity of being with of relay " 2DL-K I " is communicated to red light D1, and red light D1 brightens by going out; Meanwhile, green light D2 is gone out by bright change; Meanwhile, the normally opened contact conducting of the b1-b2 of relay " 2DL-K I " end; B1 end is by " 1DL-GY2 " in connection terminal " 2DL-GY1 " connecting analog breaker module 1DL, and b2 end transfers to mimic-disconnecting switch module 5DL middle connecting terminal " 5DL-GY1 " by connection terminal " 2DL-GY2 ", experiment switch " AN3 "; The direct current positive electricity of mimic-disconnecting switch module 1DL repeat circuit " 1DL-GY2 " terminal transmission transfers in mimic-disconnecting switch module 5DL " 5DL-GY1 " by the conducting connection terminal " 2DL-GY1 " in mimic-disconnecting switch module 2DL and " 2DL-GY2 ", experiment switch " AN3 ";

Relay " 2DL-K II " action, the normally opened contact conducting of the terminal a1-a2 of relay " 2DL-K II ", terminal a1 is connected respectively backup auto-activating device connection terminal " 2DL-801 I " and " 2DL-802 I " with terminal a2, backup auto-activating device connecting line " 2DL-801 I " and " 2DL-802 I " conducting;

Meanwhile, the normally closed contact between the terminal a1-a3 of relay " 2DL-K II " disconnects, and the backup auto-activating device connection terminal " 2DL-803 I " that terminal a3 connects disconnects with " 2DL-801 I ";

Meanwhile, the normally opened contact conducting of the b1-b2 end of relay " 2DL-K II ", backup auto-activating device connecting line " 1DL-801 II " and " 1DL-802 II " conducting;

Meanwhile, the normally closed contact between the terminal b1-b3 of relay " 2DL-K II " disconnects, and backup auto-activating device connecting line " 2DL-801 II " disconnects with " 2DL-803 II ".

4. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: setting manual operation mimic-disconnecting switch module 5DL is the state closing:

Press the switch knob HC of mimic-disconnecting switch module 5DL, direct current positive electricity transfers to 1 tip node of relay " 5DL-SW " actuation coil positive pole by relay " 5DL-SW " the normally closed contact 3-2 end in switch knob HC, mimic-disconnecting switch module 5DL; 6 tip nodes in relay " 5DL-SW " connect relay " 5DL-SW " actuation coil negative pole and form DC loop; Relay " 5DL-SW " action, the each switch contact break-make upset of relay: relay " 5DL-SW " normally closed contact 3-2 holds disconnection, and normally opened contact 4-5 holds conducting; Normally opened contact 8-9 holds conducting;

The normally opened contact 4-5 that direct current positive electricity is opened " ZLKK ", mimic-disconnecting switch module 5DL repeat circuit " 5DL-SW " conducting by sky holds the terminal 1 of relay " 5DL-K I " coil electrode and the terminal 1 of relay " 5DL-K II " coil electrode that transfer to mimic-disconnecting switch module 5DL; Relay " 5DL-K I " and relay " 5DL-K II " actuation coil negative pole band direct current negative electricity, energising relay " 5DL-K I " and relay " 5DL-K II " upset:

The normally opened contact conducting of the a1-a2 end of relay " 5DL-K I ", the a1 end direct current positive electricity of being with of relay " 5DL-K I " is communicated to red light D1, and red light D1 brightens by going out; Meanwhile, green light D2 is gone out by bright change; The normally opened contact conducting of the b1-b2 end of relay " 5DL-K I "; B1 end connects experiment switch " AN3 " by connection terminal " 5DL-GY1 ", and b2 end transfers to mimic-disconnecting switch module 4DL middle connecting terminal " 4DL-GY2 " by connection terminal " 5DL-GY2 ", experiment switch " AN4 "; By the direct current positive electricity of " 2DL-GY2 " terminal transmission in mimic-disconnecting switch module 2DL by experiment the conducting connection terminal " 5DL-GY1 " in switch " AN3 ", mimic-disconnecting switch module 5DL transfer in mimic-disconnecting switch module 4DL " 4DL-GY2 " with " 5DL-GY2 ", experiment switch " AN4 ";

Relay " 5DL-K II " action, the normally opened contact conducting of the a1-a2 end of relay " 5DL-K II ", terminal a1 is connected respectively backup auto-activating device connection terminal " 5DL-801 I " and " 5DL-802 I " with terminal a2, backup auto-activating device connecting line " 5DL-801 I " and " 5DL-802 I " conducting;

Meanwhile, the normally closed contact between the terminal a1-a3 of relay " 5DL-K II " disconnects, and the backup auto-activating device connection terminal " 5DL-803 I " that terminal a3 connects disconnects with " 5DL-801 I ";

Meanwhile, the normally opened contact conducting of the b1-b2 end of relay " 5DL-K II ", backup auto-activating device connecting line " 5DL-801 II " and " 5DL-802 II " conducting;

Meanwhile, the normally closed contact between the terminal b1-b3 of relay " 5DL-K II " disconnects, and backup auto-activating device connecting line " 5DL-801 II " disconnects with " 5DL-803 II ".

5. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: detect simulation mutual inductor module " 1PT " to " 4PT " duty:

1), simulation mutual inductor module " 1PT ": direct current positive electricity by sky open " ZLKK ", experiment switch " AN1 " enter simulation mutual inductor module " 1PT " relay " 1PT-I " coil electrode and relay " 1PT-II " coil electrode; Form DC loop, auxiliary reclay " 1PT-I " and " 1PT-II " action in simulation mutual inductor module " 1PT ", the upset of the each contact of relay break-make situation; Normally opened contact conducting between relay " a1-a2 of 1PT-I ", amber light " 1PT-D3 " brightens by going out; Normally opened contact conducting between " b1-b2 of 1PT-I ", A phase voltage transfers to backup auto-activating device through test wire; Normally opened contact conducting between " a1-a2 of 1PT-II ", B phase voltage transfers to backup auto-activating device through test wire; Normally opened contact conducting between " b1-b2 of 1PT-II ", C phase voltage transfers to backup auto-activating device through test wire;

2), simulation mutual inductor module " 2PT ": direct current positive electricity by sky open " ZLKK ", experiment switch " AN2 " enter simulation mutual inductor module " 2PT " relay " 2PT-I " coil electrode and relay " 2PT-II " coil electrode; When two relay coil negative poles are long, with direct current negative electricity, form DC loop, the auxiliary reclay " 2PT-I " of simulation mutual inductor module " 2PT " and " 2PT-II " action, the upset of the each contact of relay break-make situation; Normally opened contact conducting between " a1-a2 of 2PT-I ", amber light " 2PT-D3 " brightens by going out; Normally opened contact conducting between " b1-b2 of 2PT-I ", A phase voltage transfers to backup auto-activating device through test wire; Normally opened contact conducting between " a1-a2 of 2PT-II ", B phase voltage transfers to backup auto-activating device through test wire; Normally opened contact conducting between " b1-b2 of 2PT-II ", C phase voltage transfers to backup auto-activating device through test wire;

3), simulation mutual inductor module " 3PT ": direct current positive electricity is opened in " ZLKK ", experiment switch " AN1 ", mimic-disconnecting switch module 1DL " 2DL-GY1 " in " 1DL-GY1 " and " 1DL-GY2 " conducting contact, mimic-disconnecting switch module 2DL by sky and entered simulation mutual inductor module " 3PT " relay " 3PT-I " coil electrode and relay " 3PT-II " coil electrode with " 2DL-GY2 " conducting contact, experiment switch " AN3 "; When two relay coil negative poles are long, with direct current negative electricity, form DC loop, the auxiliary reclay " 3PT-I " of simulation mutual inductor module " 3PT " and " 3PT-II " action, the upset of the each contact of relay break-make situation; Normally opened contact conducting between relay " a1-a2 of 3PT-I ", amber light " 3PT-D3 " brightens by going out; Normally opened contact conducting between relay " b1-b2 of 3PT-I ", A phase voltage transfers to backup auto-activating device through test wire; Normally opened contact conducting between " a1-a2 of 3PT-II ", B phase voltage transfers to backup auto-activating device through test wire; Normally opened contact conducting between " b1-b2 of 3PT-II ", C phase voltage transfers to backup auto-activating device through test wire;

4), simulation mutual inductor module " 4PT ": direct current positive electricity is opened " ZLKK " by sky, experiment switch " AN1 ", " 1DL-GY1 " and " 1DL-GY2 " conducting contact in mimic-disconnecting switch module 1DL, " 2DL-GY1 " and " 2DL-GY2 " conducting contact in mimic-disconnecting switch module 2DL, experiment switch " AN3 ", in mimic-disconnecting switch module 5DL, " 5DL-GY1 " enters relay " 4PT-I " coil electrode and relay " 4PT-II " coil electrode of simulation mutual inductor module " 4PT " with " 5DL-GY2 " conducting contact, when two relay coil negative poles are long, with direct current negative electricity, form DC loop, the auxiliary reclay " 4PT-I " of simulation mutual inductor module " 4PT " and " 4PT-II " action, the upset of the each contact of relay break-make situation, normally opened contact conducting between " a1-a2 of 4PT-I ", amber light " 4PT-D3 " brightens by going out, normally opened contact conducting between " b1-b2 of 4PT-I ", A phase voltage transfers to backup auto-activating device through test wire, normally opened contact conducting between " a1-a2 of 4PT-II ", B phase voltage transfers to backup auto-activating device through test wire, normally opened contact conducting between " b1-b2 of 4PT-II ", C phase voltage transfers to backup auto-activating device through test wire.

6. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: detect the state simulation breaker module 1DL that backup auto-activating device divides:

Backup auto-activating device sends the positive electric signal of direct current by test wire " 1DL33 " to tester, direct current positive electricity transfers to mimic-disconnecting switch module 1DL repeat circuit " 1DL-SW end 9 " contact, transfer to and connect relay " 1DL-SW " involution coil electrode 7 contacts by moving the 9-8 normally opened contact of closed relay " 1DL-SW ", " involution coil negative pole 12 " contact band direct current negative electricity, form DC loop, two-position relay " 1DL-SW " involution in mimic-disconnecting switch module 1DL, the upset of the each contact of relay break-make situation; Mimic-disconnecting switch module 1DL repeat circuit " 1DL-SW " loses direct current positive electricity, resets; Relay " 1DL-K I " and " 1DL-K II " reset; The break-make situation upset of the each contact of relay; Red light " 1DL-D1 " is gone out by bright change; Green light " 1DL-D2 " brightens by going out; Backup auto-activating device connecting line " 1DL-801 I " disconnects with " 1DL-802 I "; Backup auto-activating device connecting line " 1DL-801 I " and " 1DL-803 I " conducting; Backup auto-activating device connecting line " 1DL-801 II " disconnects with " 1DL-802 II "; Backup auto-activating device connecting line " 1DL-801 II " and " 1DL-803 II " conducting.

7. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: detect the state simulation breaker module 2DL that backup auto-activating device divides:

Backup auto-activating device sends the positive electric signal of direct current by test wire " 2DL33 " to tester, and direct current positive electricity transfers to 9 contacts of mimic-disconnecting switch module 2DL repeat circuit " 2DL-SW "; Transfer to and connect relay " 2DL-SW " involution coil electrode 7 contacts by moving the 9-8 normally opened contact of closed relay " 2DL-SW ", " involution coil negative pole 12 " contact band direct current negative electricity, form DC loop, two-position relay " 2DL-SW " involution in mimic-disconnecting switch module 2DL, the upset of the each contact of relay break-make situation; Two-position relay " 2DL-SW " loses the positive reset of direct current;

Mimic-disconnecting switch module 1DL repeat circuit " 1DL-SW " relay " 1DL-K I " and " 1DL-K II " reset; The break-make situation upset of the each contact of relay; Red light " 2DL-D1 " is gone out by bright change; Green light " 2DL-D2 " brightens by going out; Backup auto-activating device connecting line " 2DL-801 I " disconnects with " 2DL-802 I "; Backup auto-activating device connecting line " 2DL-801 II " disconnects with " 2DL-802 II "; Backup auto-activating device connecting line " 2DL-801 II " and " 2DL-803 II " conducting.

8. a kind of checking main transformer mutual as claimed in claim 1 is thrown the prepared auto restart logic test method of mode, it is characterized in that: detect the state simulation breaker module 3DL that backup auto-activating device closes:

Backup auto-activating device sends the positive electric signal of direct current by test wire " 3DL3 " to tester, direct current positive electricity is transferred to and is connected anodal 1 contact of relay " 3DL-SW " actuation coil by mimic-disconnecting switch module 3DL repeat circuit " 3DL-SW " normally closed contact 3-2 end, connect 6 contact band direct current negative electricity of relay " 3DL-SW " actuation coil negative pole, form DC loop; Two-position relay " 3DL-SW " action in mimic-disconnecting switch module 3DL, the upset of the each contact of relay break-make situation; Relay " 3DL-SW " normally closed contact 3-2 holds disconnection; The normally opened contact 4-5 end conducting of relay " 3DL-SW "; " 3DL-SW " normally opened contact 8-9 holds conducting; The normally opened contact 4-5 that direct current positive electricity is opened " ZLKK ", " 3DL-SW " by sky holds the terminal 1 of auxiliary reclay " 3DL-K I " coil electrode that transfers to mimic-disconnecting switch module 3DL and the terminal 1 of " 3DL-K II " coil electrode, forms DC loop; Meanwhile, relay " 3DL-K I " action, normally opened contact conducting between relay " a1-a2 of 3DL-K I ", red light " 3DL-D1 " brightens by going out; Between relay " a1-a3 of 3DL-K I ", normally closed contact disconnects, and green light " 3DL-D2 " is gone out by bright change; Normally opened contact conducting between " b1-b2 of 3DL-K I ", direct current positive electricity is opened, tests in switch " AN2 ", mimic-disconnecting switch module 3DL contact between " 3DL-GY1 " and " 3DL-GY2 " by sky, transfers in mimic-disconnecting switch module 4DL " 4DL-GY1 ";

Meanwhile, relay " 3DL-K II " action, normally opened contact conducting between relay " a1-a2 of 3DL-K II ", backup auto-activating device connecting line " 3DL-801 I " and " 3DL-802 I " conducting; Between " a1-a3 of 3DL-K II ", normally closed contact disconnects, and backup auto-activating device connecting line " 3DL-801 I " disconnects with " 3DL-803 I "; Normally opened contact conducting between " b1-b2 of 3DL-K II ", backup auto-activating device connecting line " 3DL-801 II " and " 3DL-802 II " conducting; Between " b1-b3 of 3DL-K II ", normally closed contact disconnects, and backup auto-activating device connecting line " 3DL-801 II " disconnects with " 3DL-803 II ".