CN109188263B - High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system - Google Patents
High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system Download PDFInfo
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- CN109188263B CN109188263B CN201811085734.9A CN201811085734A CN109188263B CN 109188263 B CN109188263 B CN 109188263B CN 201811085734 A CN201811085734 A CN 201811085734A CN 109188263 B CN109188263 B CN 109188263B
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims description 30
- 230000001012 protector Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000000819 phase cycle Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
Abstract
The invention discloses a secondary circuit system for high-voltage isolating switch AC/DC voltage regulation power supply test operation, which comprises an AC voltage regulation module, a DC voltage regulation module, an AC manual opening/closing operation circuit system, a DC manual opening/closing operation circuit system, an AC automatic circulation opening/closing operation circuit system, a DC automatic circulation opening/closing operation circuit system, an AC operation counting module, a DC operation counting module, an AC voltage display module, a DC voltage display module, a circuit resistance measurement module and an aviation plug input/output module.
Description
Technical Field
The invention relates to the technical field of high-voltage switches, in particular to an AC/DC voltage regulation power supply test operation secondary circuit system of a high-voltage isolating switch.
Background
At present, the domestic high-voltage switch maintenance work and debugging work need to prepare electric devices such as an alternating-current voltage regulator, a direct-current voltage regulator, a counter, an ammeter, a voltmeter, a time relay, a loop resistance measuring instrument and the like, and all the elements are distributed in disorder and occupy space, all the elements are connected with each other by wires when in use, and connecting wires are required to be detached after the high-voltage switch maintenance work and debugging work are used up, all the elements and the wires are arranged and packaged, and the work is troublesome and time-consuming.
The secondary circuit of the intelligent high-voltage isolating switch alternating current-direct current voltage regulating power supply and test operation integrated system comprises an alternating current voltage regulating module, a direct current voltage regulating module, two sets of alternating current manual opening and closing operation loop systems, two sets of direct current manual opening and closing operation loop systems, two sets of alternating current self-animal circulation opening and closing operation loop systems, two sets of direct current self-animal circulation opening and closing operation loop systems, two alternating current operation counting modules, an alternating current voltage display module, a direct current voltage display module and an aviation connector output module.
The intelligent high-voltage isolating switch AC/DC voltage regulating power supply and the secondary circuit of the test operation integrated system can simultaneously control two AC electric operating mechanisms and two DC electric operating mechanisms. The automatic switching device can be operated manually or operated automatically by circulating switching on and off.
Disclosure of Invention
The invention aims to provide an AC/DC voltage regulation power supply test operation secondary circuit system of a high-voltage isolating switch so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the secondary circuit system comprises two sets of AC manual opening and closing operation circuit systems, two sets of DC manual opening and closing operation circuit systems, two sets of AC automatic circulation opening and closing operation circuit systems, two sets of DC automatic circulation opening and closing operation circuit systems, an AC voltage regulating module, a DC voltage regulating module, two AC operation counting modules, two DC operation counting modules, an AC voltage display module, a DC voltage display module, a circuit resistance measuring module, an aviation plug input and output module, two sets of AC manual opening and closing operation circuit systems, a small AC circuit breaker, an AC opening and closing contactor, an AC closing contactor, a phase sequence protector, a thermal overload protector, an opening and closing button, a stop button, an AC opening and closing limit switch, an AC limiting switch, a switching limit switch and other relay elements.
As a further scheme of the invention: the alternating current voltage regulating module comprises a three-phase electric alternating current voltage regulator, a voltage boosting button and a voltage reducing button, and the direct current voltage regulating module comprises a direct current voltage regulator and a voltage regulating knob.
As a further scheme of the invention: the two sets of direct current automatic circulation opening and closing operation loop systems are composed of a first small direct current breaker, a second small direct current breaker, an opening contactor, a direct current closing contactor, an opening and closing button, a direct current opening limit switch, a direct current closing limit switch, a change-over switch, an opening time relay, a closing time relay and other electrical elements.
As a further scheme of the invention: the two alternating current operation counting modules consist of an alternating current opening contactor, an alternating current closing contactor, an opening counter and a closing counter. The two direct current operation counting modules consist of a switching-off contactor, a direct current switching-on contactor, a switching-off counter and a switching-on counter.
As a further scheme of the invention: the alternating current voltage display module and the direct current voltage display module are composed of a digital display alternating current voltage ammeter and a digital display direct current voltage ammeter.
As a further scheme of the invention: the loop resistance measuring module consists of a loop resistance tester, a data line, a display screen and a test chuck.
As still further aspects of the invention: the aviation plug input/output module consists of a power supply input aviation connector, an alternating current control output aviation connector, a direct current control output aviation connector, a cable set and a network communication interface.
Compared with the prior art, the invention has the beneficial effects that: the device occupies small space, has short installation time, is convenient to operate and maintain, has high operation reliability, can completely avoid misoperation, has a network communication function, is suitable for the intelligent requirement of modern devices, has complete functions, high integration level and wide application range.
Drawings
Fig. 1 is a schematic diagram of a system module of a secondary circuit system for a high-voltage isolating switch ac/dc voltage regulation power test operation.
Fig. 2 is a circuit diagram of an ac operation loop in the ac/dc voltage regulation power test operation secondary loop system of the high voltage isolation switch.
Fig. 3 is a circuit diagram of a dc operation loop in the ac/dc voltage regulation power test operation secondary loop system of the high voltage isolation switch.
Fig. 4 is a schematic structural diagram of an operation panel in the ac/dc voltage regulation power test operation secondary loop system of the high-voltage isolation switch.
Fig. 5 is a schematic structural diagram of a display panel in the ac/dc voltage regulation power test operation secondary loop system of the high-voltage isolation switch.
Fig. 6 is a schematic diagram of a rear view structure of the ac/dc voltage regulation power test operation secondary loop system of the high-voltage isolation switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the device comprises two sets of alternating current manual opening and closing operation loop systems 3, two sets of direct current manual opening and closing operation loop systems 4, two sets of alternating current automatic circulation opening and closing operation loop systems 5 and two sets of direct current automatic circulation opening and closing operation loop systems 6, and further comprises an alternating current voltage regulating module 1, a direct current voltage regulating module 2, two alternating current operation counting modules 7, two direct current operation counting modules 8, an alternating current voltage display module 9, a direct current voltage display module 10, a loop resistance measuring module 11 and an aviation plug input/output module 12.
Referring to fig. 2-3, the ac voltage regulating module includes a three-phase ac voltage regulator, a boost button 15, and a buck button 16, the dc voltage regulating module includes a dc voltage regulator, a voltage regulating knob 18, two sets of ac manual opening and closing operation loop systems 3, a small ac circuit breaker 19, an ac opening and closing contactor 20, an ac closing contactor 21, a phase sequence protector 22, a thermal overload protector, an opening button 24, a closing button 25, a stop button 26, an ac opening and closing limit switch, an ac closing limit switch 28, and a change-over switch 29, and the like, the two sets of dc manual opening and closing operation loop systems 4 include a first small dc circuit breaker 30, a second small dc circuit breaker 31, an opening and closing contactor 32, a dc closing contactor 33, an opening and closing button 34, a closing button 35, a stop button 36, an opening and closing limit switch, a dc closing limit switch, and a change-over switch 39, and other electrical elements, the two sets of AC automatic circulation opening and closing operation loop systems 5 are composed of small AC circuit breakers 19, AC opening and closing contactors 20, AC closing contactors 21, phase sequence protectors 22, thermal overload protectors, opening and closing buttons 40, AC opening and closing limit switches, AC closing limit switches 28, transfer switches 29, opening time relays 41, closing time relays 42 and other electrical elements, the two sets of DC automatic circulation opening and closing operation loop systems 6 are composed of first small DC circuit breakers 30, second small DC circuit breakers 31, opening and closing contactors 32, DC closing contactors 33, opening and closing buttons 43, DC opening and closing limit switches, DC closing limit switches, transfer switches 39, opening time relays 44, closing time relays 45 and other electrical elements, and the two AC operation counting modules are composed of AC opening and closing contactors 20, the alternating current switching-on contactor 21, a switching-off counter 46 and a switching-on counter 47.
Referring to fig. 4-6, two dc operation counting modules are composed of a switching-off contactor 32, a dc switching-on contactor 33, a switching-off counter 48, and a switching-on counter 49, an ac voltage display module and a dc voltage display module are composed of a digital ac voltmeter 50 and a digital dc voltmeter 51, a loop resistance measurement module is composed of a loop resistance tester, a data line, a display screen, and a test chuck, and an aviation plug input/output module is composed of a power input aviation connector, an ac control output aviation connector, a dc control output aviation connector, a cable group 59, and a network communication interface group.
Working principle: firstly, the power input aviation connector of the aviation plug input/output module is connected with an alternating current 0V power supply through a cable set. The alternating-current control output aviation connector is connected with the alternating-current electric mechanism of the isolating switch through a cable group. The direct-current control output aviation connector is connected with the isolating switch direct-current electric mechanism through a cable set. Communication and remote operation are connected through a network communication interface. And after the miniature circuit breaker is closed, the exhaust fan dissipates heat of the box body. The rated output alternating voltage of the alternating voltage regulator is regulated through the step-up button 15 and the step-down button 16, the voltage value of the digital display alternating voltage ammeter 50 is watched during regulation, the voltage is regulated to 85% of the rated voltage during the lowest voltage operation, and the voltage is regulated to 110% of the rated voltage during the highest voltage operation.
The alternating current manual opening operation is carried out, the miniature alternating current circuit breaker 19 is closed, during the closing operation, the change-over switch 29 is switched to a manual operation gear, the closing button 25 is pressed, the coil of the alternating current closing contactor 21 is electrified, the normally open contact is closed, the alternating current motor is closed, and the clockwise operation is carried out, so that the closing operation is carried out, when the alternating current motor touches the closing limit switch, the control power supply is disconnected, the coil of the alternating current closing contactor 21 is deenergized, and the alternating current motor is disconnected, so that the closing process is completed. When the alternating current manual switching-on operation is carried out, the switching-off button 24 is pressed, the coil of the alternating current switching-off contactor 20 is electrified, the normally open contact is closed, the alternating current motor is switched on, the switching-off operation is carried out in a anticlockwise operation mode, when the alternating current motor touches the switching-off limit switch, the control power supply is switched off, the coil of the alternating current switching-off contactor 20 is deenergized, and the alternating current motor is switched off to finish the switching-off process. If sudden stop is needed in the opening and closing process, the stop button 26 is pressed.
The automatic circulation switching-on operation of alternating current, closing the miniature alternating current breaker 19, in the switching-on operation, the change-over switch 29 is driven to the gear of automatic circulation operation, the automatic circulation start-stop button 43 is pressed, the normally open contact is closed when the switching-on time relay 42 is electrified, the normally open contact is closed when the coil of the switching-on contactor 21 is electrified, the normally open contact is closed when the switching-on motor is electrified, the switching-on operation is carried out by clockwise operation of the auxiliary switch shaft, the normally open contact is closed when the high-voltage isolating switch is close to the switching-on position, the switching-on time relay 41 is electrified when the alternating current motor touches the switching-on limit switch, the control power supply is disconnected, the coil of the switching-on contactor 21 is deenergized, and the switching-off motor is disconnected to complete the switching-on process. After the energizing time of the opening time relay 41 reaches a set number of seconds, the normally open contact of the opening time relay 41 is closed, the coil of the alternating current opening contactor 20 is energized, the normally open contact is closed, the alternating current motor is closed to perform opening operation, the auxiliary switch shaft is driven to rotate anticlockwise, the normally open contact of the auxiliary switch is closed when the high-voltage isolating switch approaches to the opening position, the closing time relay 42 is energized, the control power supply is disconnected when the alternating current motor contacts the opening limit switch, the coil of the alternating current opening contactor 20 is deenergized, and the alternating current motor is disconnected. After the energizing time of the closing time relay 42 reaches the set number of seconds, the coil of the alternating current closing contactor 21 is energized and sucked, automatic circulation operation is continuously carried out, and the opening counter 46 and the closing counter 47 count once each time when the circulation operation is carried out once. If the operation is stopped, the start-stop button 43 is pressed to turn off the power supply. The rated output direct-current voltage of the direct-current voltage regulator is regulated through the voltage regulating knob 18, the voltage value of the digital display direct-current voltage ammeter 51 is watched during regulation, the voltage is regulated to 85% of the rated voltage during the lowest voltage operation, and the voltage is regulated to 110% of the rated voltage during the highest voltage operation. The output direct current voltage range is DC 0-250V.
The direct current manual opening operation, the first miniature direct current breaker 30 and the second miniature direct current breaker 31 of the power supply are closed, during the closing operation, the change-over switch 39 is switched to the manual operation gear, the closing button 35 is pressed down, the coil of the direct current closing contactor 33 is electrified, the normally open contact is closed, the direct current motor is closed, and the clockwise operation of the direct current motor is carried out, when the direct current motor touches the closing limit switch, the control power supply is disconnected, the coil of the direct current closing contactor 33 is deenergized, and the direct current motor is disconnected to complete the closing process. When the direct current manual switch-on operation is carried out, the switch-off button 34 is pressed, the coil of the switch-off contactor 32 is electrified, the normally open contact is closed, the direct current motor is switched on, the direct current motor runs anticlockwise, the switch-off limit switch is touched by the direct current motor to switch off the control power supply, the coil of the switch-off contactor 32 is deenergized, and the alternating current motor is switched off to finish the switch-off process. If sudden stop is needed in the opening and closing process, the stop button 36 is pressed.
The direct current automatic circulation switching-on operation, the first miniature direct current breaker 30, the second miniature direct current breaker 31 and the switching-on operation of the switching-on power supply, the change-over switch 39 is switched to the gear of automatic circulation operation, the automatic circulation start-stop button 43 is pressed, the switching-on time relay 45 is electrified and normally open contacts are closed, the coil of the direct current switching-on contactor 33 is electrified and attracted, the normally open contacts are closed, the direct current motor is closed, clockwise operation is carried out, the switching-on operation is carried out, the auxiliary switch shaft is driven to rotate clockwise, the normally open contacts of the auxiliary switch are closed when the high-voltage isolating switch approaches to the switching-on position, the switching-on and switching-off time relay 44 is electrified, the control power supply is switched off when the direct current motor touches the switching-on limit switch, the coil of the direct current switching-on contactor 33 is deenergized, and the switching-off of the direct current motor completes the switching-on process. After the energizing time of the opening time relay 44 reaches a set number of seconds, the normally open contact of the opening time relay 44 is closed, the coil of the opening contactor 32 is energized and attracted, the normally open contact is closed, the direct current motor is turned on to perform opening operation in a anticlockwise operation, the auxiliary switch shaft is driven to rotate anticlockwise, the normally open contact of the auxiliary switch is closed when the high-voltage isolating switch approaches to the opening position, the closing time relay 45 is energized, the control power supply is turned off when the direct current motor contacts the opening limit switch, the coil of the opening contactor 32 is deenergized, and the opening process of the direct current motor is completed. After the energizing time of the closing time relay 45 reaches the set number of seconds, the coil of the direct current closing contactor 33 is energized and attracted, automatic circulation operation is continuously carried out, and once in each circulation operation, the opening counter 48 and the closing counter 49 count once respectively. If the operation is needed to be stopped, the start-stop button is pressed, and the power supply is disconnected. And (3) measuring the loop resistance of the main conductive part of the high-voltage isolating switch, opening a power supply and a connecting data wire of the loop resistance tester, respectively clamping two test chucks on connecting terminals at two ends of the main conductive part of the high-voltage isolating switch, pressing a test button, and observing the resistance value on the display screen. The intelligent high-voltage isolating switch AC/DC voltage regulating power supply and test operation integrated system is connected with computer via network interface to transmit the voltage, current, power, operation characteristic waveform and loop resistance data in various test items to computer for data analysis, processing and storage.
Claims (1)
1. The secondary circuit system comprises two sets of alternating current manual opening and closing operation circuit systems, two sets of direct current manual opening and closing operation circuit systems, two sets of alternating current automatic circulation opening and closing operation circuit systems and two sets of direct current automatic circulation opening and closing operation circuit systems, and is characterized by further comprising an alternating current voltage regulating module, a direct current voltage regulating module, two alternating current operation counting modules, two direct current operation counting modules, an alternating current voltage display module, a direct current voltage display module, a circuit resistance measuring module, an aviation plug input/output module, two sets of alternating current manual opening and closing operation circuit systems, a small alternating current circuit breaker, an alternating current opening and closing contactor, an alternating current switching contactor, a phase sequence protector, a thermal overload protector, an opening and closing button, a stop button, an alternating current opening and closing limit switch, an alternating current limiting switch and a change-over switch element, and two sets of direct current manual opening and closing operation circuit systems comprise a first small direct current circuit breaker, a second small direct current circuit breaker, an opening and closing contactor, a switching contactor, a direct current voltage display module, a loop resistance measuring module, an aviation plug input/output module, and two sets of alternating current manual opening and closing operation circuit breaker, a small alternating current circuit breaker, an opening and closing operation time limit switch, a switching contactor, a switching time limit switch, a switching contactor, a switching-off and a switching protector, and a switching protector;
the alternating current voltage regulating module comprises a three-phase electric alternating current voltage regulator, a voltage boosting button and a voltage reducing button, and the direct current voltage regulating module comprises a direct current voltage regulator and a voltage regulating knob;
the two sets of direct current automatic circulation opening and closing operation loop systems consist of a first small direct current breaker, a second small direct current breaker, an opening contactor, a direct current closing contactor, a start-stop button, a direct current opening limit switch, a direct current closing limit switch, a change-over switch, an opening time relay and a closing time relay element;
the two alternating current operation counting modules consist of an alternating current opening contactor, an alternating current closing contactor, an opening counter and a closing counter; the two direct current operation counting modules consist of a switching-off contactor, a direct current switching-on contactor, a switching-off counter and a switching-on counter;
the alternating-current voltage display module and the direct-current voltage display module consist of a digital display alternating-current voltage ammeter and a digital display direct-current voltage ammeter;
the loop resistance measuring module consists of a loop resistance tester, a data wire, a display screen and a test chuck;
the aviation plug input/output module consists of a power supply input aviation connector, an alternating current control output aviation connector, a direct current control output aviation connector, a cable set and a network communication interface;
the working principle of the secondary circuit system for the AC/DC voltage regulation power test operation of the high-voltage isolating switch is as follows: firstly, connecting a power input aviation connector of an aviation plug input/output module with an alternating current power supply through a cable group, connecting an alternating current control output aviation connector with an isolating switch alternating current electric mechanism through the cable group, connecting a direct current control output aviation connector with the isolating switch direct current electric mechanism through the cable group, and radiating a box body by an exhaust fan after closing a miniature circuit breaker; the rated output alternating voltage of the alternating voltage regulator is regulated through the step-up button and the step-down button, the voltage value of the digital display alternating voltage ammeter is watched during regulation, the voltage is regulated to 85% of the rated voltage during the operation of the lowest voltage, and the voltage is regulated to 110% of the rated voltage during the operation of the highest voltage.
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| CN201811085734.9A CN109188263B (en) | 2018-09-18 | 2018-09-18 | High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system |
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| CN201811085734.9A CN109188263B (en) | 2018-09-18 | 2018-09-18 | High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system |
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| CN109188263B true CN109188263B (en) | 2024-03-26 |
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| CN111650464A (en) * | 2020-07-17 | 2020-09-11 | 云南电网有限责任公司玉溪供电局 | Voltage time type distribution automation terminal tester |
| CN112002593B (en) * | 2020-08-28 | 2023-05-26 | 贵州电网有限责任公司 | Disconnecting switch operating mechanism with modularized control loop design and use method |
| CN113791344B (en) * | 2021-11-17 | 2022-06-28 | 西安西电高压开关有限责任公司 | Switching test loop and method for switching current of high-voltage isolating switch |
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