CN108879965A - A kind of substation isolating-switch motor power long-range control method - Google Patents
A kind of substation isolating-switch motor power long-range control method Download PDFInfo
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- CN108879965A CN108879965A CN201811038869.XA CN201811038869A CN108879965A CN 108879965 A CN108879965 A CN 108879965A CN 201811038869 A CN201811038869 A CN 201811038869A CN 108879965 A CN108879965 A CN 108879965A
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of substation isolating-switch motor power long-range control method, remote control unit in the present invention is made of 4 electrical components, it is 1 motor power air switch, 1 long-range control attachment, 2 air switch auxiliary contact respectively, has mechanical linkage between element.The present invention is spaced apart the long-range control attachment of upper installation motor power, the remote control division being spaced apart is realized by remotely controlling attachment, to control the on-off in motor power circuit.This method does not need to change original motor electric power loop, it is only necessary to be spaced apart upper increase control attachment, auxiliary contact at it, nor affect on judgement and the operating habit of operations staff, more meet the long-range control requirement in current transformer substation remote control equipment motor power circuit.
Description
Technical field
The invention belongs to electrical secondary equipment field of remote control in electric system, and in particular to a kind of disconnecting switch motor power
Long-range control method.
Background technique
With regulating and controlling carrying out in a deep going way for integrated operational mode, power supply unit begins one's study transformer substation sequence control, it is intended to
Realize the long-range control of breaker, disconnecting switch, earthing knife-switch.The distant place that existing regulation and control model is only able to achieve breaker controls, and every
Pass is left due to needing personnel on site to confirm disconnecting switch state etc. to motor power, scene, can not still be fully achieved remote
Process control.Wherein, for the long-range control of disconnecting switch motor power, scheme proposes by the way of banked relay, i.e.,：
Banked relay is accessed in motor power circuit, the on-off in motor power circuit is controlled by banked relay.This method
To increase banked relay in the loop, need to change original motor electric power loop；And to realize long-range control, it is necessary to protect
It holds in motor power circuit and being spaced apart the state in closure, once be spaced apart because of the tripping of certain reason, banked relay is by nothing
Method controls the on-off of electric power loop, and remote control equipment is caused to fail；Meanwhile being spaced apart when normal operation and being kept closed, it returns
Visual breakpoint is not formed in road, is not met the existing operating standard of substation yet, is influenced the judgement of operations staff.
Summary of the invention
This problem that remotely controls is not implemented for disconnecting switch motor power under existing regulation and control model, the present invention provides one
Kind disconnecting switch motor power long-range control method.
The present invention is achieved by the following technical solution.
A kind of substation isolating-switch motor power long-range control method：
1) long-range control attachment is installed additional on motor power air switch, it is long-range to control attachment and motor power air switch
Between pass through connecting rod realize linkage；There is one group of self-sustaining coil in the long-range control attachment, there are two the self-sustaining coils
Outer contact, outer contact one are connected to AC power source B1 phase, and outer contact two is connected to AC power source N phase, so that self-sustaining coil continues band
Electricity；
2) common end of the long-range control loop of disconnecting switch motor power takes electricity to be followed by observing and controlling filling from AC power source B1 phase
It sets, measure and control device closing contact, separating brake contact is accessed after spare connection sheet, be latched using the first air switch auxiliary contact
The pulse signal contact of the long-range control attachment of access afterwards；Attachment division is controlled using closing contact and separating brake contact controlling remote,
And drive motor power air switch division；
3) remote signal is latched using the first air switch auxiliary contact, it can be effectively to disconnecting switch motor power
Carry out anti-misoperation control；When motor power air switch separating brake, the No.1 contact closure of the first air switch auxiliary contact,
No. two contacts disconnect, and the long-range attachment that controls can only receive switching signal；When motor power air switch closes a floodgate, the first air is opened
The No.1 contact for closing auxiliary contact disconnects, No. two contact closures, and the long-range attachment that controls can only receive sub-gate signal；
4) normally opened contact of the second air switch auxiliary contact is accessed into signal circuit, to realize motor power air switch
Position monitoring；When motor power air switch closes a floodgate, the normally opened contact closure of the second air switch auxiliary contact, observing and controlling dress
It sets and sends motor power air switch switching signal；When motor power air switch separating brake, motor power air switch closes a floodgate
Signal return.
In the present invention, the long-range control loop of disconnecting switch motor power is equipped with five-prevention locking system, the five-defence block
System has long-range control and controls two kinds of operation modes on the spot；For the five-prevention locking system remotely controlled, need to closing contact,
Separating brake contact is defined, and five-defence block logic is arranged in consistency operation person station；For the five-defence block system controlled on the spot
System needs by motor power air switch, remotely to control attachment, the first air switch auxiliary contact and the second air switch auxiliary
Contact is mounted in isolating switch mechanism case, realizes five-defence block using five anti-puzzle locks on mechanism case.
Preferably, long-range control attachment of the present invention has both a distant place/local operation function.
The present invention is spaced apart the long-range control attachment of upper installation motor power, by remotely control attachment realization be spaced apart it is distant
Division is controlled, to control the on-off in motor power circuit.This method does not need to change original motor electric power loop, it is only necessary to
It is spaced apart upper increase control attachment, auxiliary contact at it, nor affects on judgement and the operating habit of operations staff, more meet current change
The long-range control requirement in power station remote control equipment motor power circuit.
Present invention reduces electric power feeding time is stopped, the labor intensity of staff is also reduced, has ensured the peace of staff
Entirely.
Detailed description of the invention
Fig. 1 is disconnecting switch motor power remote operation logic chart；
Fig. 2 is disconnecting switch distant place control flow chart；
Fig. 3 is the long-range control principle drawing of disconnecting switch motor power.
Specific embodiment
Remote control unit in the present invention is made of 4 electrical components, is 1 motor power air switch respectively
(QF1), 1 remotely controls attachment (RCA) and 2 air switch auxiliary contact (iOF1, iOF2), has between element mechanical
It is dynamic.The title and purposes of each electrical component are as shown in table 1：
Table 1
Present invention specific implementation is as follows：
A kind of substation isolating-switch motor power long-range control method,
1) long-range control attachment is installed additional on motor power air switch, it is long-range to control attachment and motor power air switch
Between pass through connecting rod realize linkage；There is one group of self-sustaining coil in the long-range control attachment, there are two the self-sustaining coils
Outer contact, outer one P of contact are connected to AC power source B1 phase, and outer two N of contact is connected to AC power source N phase, so that self-sustaining coil continues
Electrification；
2) the common end 01a of the long-range control loop of disconnecting switch motor power takes electricity to be followed by observing and controlling from AC power source B1 phase
Device accesses measure and control device closing contact, separating brake contact after spare connection sheet, closes using the first air switch auxiliary contact
The pulse signal contact Y2 of long-range control attachment is accessed after lock；Utilize closing contact and separating brake contact controlling remote control attachment point
It closes, and drives motor power air switch division；
3) remote signal is latched using the first air switch auxiliary contact, it can be effectively to disconnecting switch motor power
Carry out anti-misoperation control；When motor power air switch separating brake, the No.1 contact 11-12 of the first air switch auxiliary contact
Closure, No. two contact 11-14 are disconnected, and the long-range attachment that controls can only receive switching signal；When motor power air switch closes a floodgate,
The No.1 contact 11-12 of first air switch auxiliary contact is disconnected, and No. two contact 11-14 closures, the long-range attachment that controls can only connect
Receive sub-gate signal；
4) the normally opened contact 13-15 of the second air switch auxiliary contact is accessed into signal circuit, to realize motor power sky
The position of air cock monitors；When motor power air switch closes a floodgate, the normally opened contact 13-15 of the second air switch auxiliary contact
Closure, measure and control device send motor power air switch switching signal；When motor power air switch separating brake, motor power is empty
Air cock switching signal involution.
The long-range control loop of disconnecting switch motor power is equipped with five-defence block, which has long-range control and just
Ground controls two kinds of operation modes；For the five-defence block remotely controlled, closing contact, separating brake contact need to be defined, and
Five-defence block logic is arranged in station in consistency operation person；For the five-defence block controlled on the spot, need by motor power air switch,
Long-range control attachment, the first air switch auxiliary contact and the second air switch auxiliary contact are mounted on isolating switch mechanism case
In, five-defence block is realized using five anti-puzzle locks on mechanism case.
When remote operation, dispatcher/patrol dimension personnel sending combined floodgate, separating brake instruction, the five-preventing system on station refers to this
It enables and carries out logic certification.If the instruction is latched by five-preventing system, dispatcher patrols whether just dimension personnel should verify instruction again
Really, then instruction is issued；If the instruction is authenticated by five-preventing system, by the first air switch auxiliary contact, mechanical anti-misoperation is carried out
Locking.If the instruction is latched by the first air switch auxiliary contact, dispatcher patrols whether just dimension personnel should verify instruction again
Really, then instruction is issued；If the instruction by the first air switch auxiliary contact, remote control isolation switch motor power closes a floodgate/point
Lock.Pass through aforesaid operations logic, it can be ensured that close a floodgate, the correctness of separating brake instruction, effectively prevent the hair of electric misoperation event
It is raw, guarantee personnel, equipment safety.
Long-range control attachment of the present invention has both a distant place/local operation function.
Claims (3)
1. a kind of substation isolating-switch motor power long-range control method, which is characterized in that
1) long-range control attachment is installed additional on motor power air switch, it is long-range to control between attachment and motor power air switch
It is realized and is linked by connecting rod；There is one group of self-sustaining coil in the long-range control attachment, there are two external for the self-sustaining coil
Point, outer contact one are connected to AC power source B1 phase, and outer contact two is connected to AC power source N phase, so that self-sustaining coil persistently charges；
2) common end of the long-range control loop of disconnecting switch motor power takes electricity to be followed by measure and control device, warp from AC power source B1 phase
Measure and control device closing contact, separating brake contact are accessed after spare connection sheet, are followed by using the locking of the first air switch auxiliary contact
Enter the pulse signal contact of long-range control attachment；Attachment division, and band are controlled using closing contact and separating brake contact controlling remote
Dynamic motor power air switch division；
3) remote signal is latched using the first air switch auxiliary contact, effectively disconnecting switch motor power can be carried out
Anti-misoperation control；When motor power air switch separating brake, the No.1 contact closure of the first air switch auxiliary contact, No. two
Contact disconnects, and the long-range attachment that controls can only receive switching signal；When motor power air switch closes a floodgate, the first air switch is auxiliary
The No.1 contact of contact is helped to disconnect, No. two contact closures, the long-range attachment that controls can only receive sub-gate signal；
4) normally opened contact of the second air switch auxiliary contact is accessed into signal circuit, to realize the position of motor power air switch
Set monitoring；When motor power air switch closes a floodgate, the normally opened contact closure of the second air switch auxiliary contact, measure and control device hair
Power transmission electromechanical source air switch switching signal；When motor power air switch separating brake, motor power air switch switching signal
Involution.
2. substation isolating-switch motor power long-range control method according to claim 1, which is characterized in that it is described every
The long-range control loop of powered-down electromechanical source is left equipped with five-prevention locking system, which has long-range control and control on the spot
Two kinds of operation modes；For the five-prevention locking system remotely controlled, closing contact, separating brake contact need to be defined, and rear
Five-defence block logic is set in platform operator station；For the five-prevention locking system controlled on the spot, need to open motor power air
It closes, remotely control attachment, the first air switch auxiliary contact and the second air switch auxiliary contact are mounted on isolating switch mechanism
In case, five-defence block is realized using five anti-puzzle locks on mechanism case.
3. substation isolating-switch motor power long-range control method according to claim 1, which is characterized in that described remote
Process control attachment has both a distant place/local operation function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038869.XA CN108879965A (en) | 2018-09-06 | 2018-09-06 | A kind of substation isolating-switch motor power long-range control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811038869.XA CN108879965A (en) | 2018-09-06 | 2018-09-06 | A kind of substation isolating-switch motor power long-range control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416018A (en) * | 2019-04-29 | 2019-11-05 | 贵州电网有限责任公司 | One kind keeping apart official seal short-circuit operation system |
| CN111791736A (en) * | 2020-06-04 | 2020-10-20 | 北京盛达物联科技有限公司 | Maintenance method of charging pile with air switch |
| CN112019126A (en) * | 2020-08-28 | 2020-12-01 | 贵州电网有限责任公司 | Programmable motor controller and control method thereof |
| CN113325758A (en) * | 2021-05-24 | 2021-08-31 | 中国南方电网有限责任公司超高压输电公司柳州局 | Method and device for remotely controlling power supply of intelligent sequential control isolation switch motor of transformer substation |
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| CN2744064Y (en) * | 2004-07-26 | 2005-11-30 | 刘琼 | Controller for electric machine |
| CN203205987U (en) * | 2013-05-09 | 2013-09-18 | 珠海电力设计院有限公司 | Device for remote control operation of circuit breaker for power supply of motor with isolating switch |
| CN204167134U (en) * | 2014-10-17 | 2015-02-18 | 北京华美煜力电力技术有限公司 | A kind of isolation switch control system |
| CN205039091U (en) * | 2015-10-23 | 2016-02-17 | 山东达驰高压开关有限公司 | Isolator behaviour moves mechanism controls protection return circuit |
| CN206274622U (en) * | 2016-12-21 | 2017-06-23 | 深圳市地铁集团有限公司运营总部 | A kind of ocs isolating switch monitoring system |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744064Y (en) * | 2004-07-26 | 2005-11-30 | 刘琼 | Controller for electric machine |
| CN203205987U (en) * | 2013-05-09 | 2013-09-18 | 珠海电力设计院有限公司 | Device for remote control operation of circuit breaker for power supply of motor with isolating switch |
| CN204167134U (en) * | 2014-10-17 | 2015-02-18 | 北京华美煜力电力技术有限公司 | A kind of isolation switch control system |
| CN205039091U (en) * | 2015-10-23 | 2016-02-17 | 山东达驰高压开关有限公司 | Isolator behaviour moves mechanism controls protection return circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416018A (en) * | 2019-04-29 | 2019-11-05 | 贵州电网有限责任公司 | One kind keeping apart official seal short-circuit operation system |
| CN110416018B (en) * | 2019-04-29 | 2021-06-29 | 贵州电网有限责任公司 | Short circuit prevention operating system for isolating switch |
| CN111791736A (en) * | 2020-06-04 | 2020-10-20 | 北京盛达物联科技有限公司 | Maintenance method of charging pile with air switch |
| CN112019126A (en) * | 2020-08-28 | 2020-12-01 | 贵州电网有限责任公司 | Programmable motor controller and control method thereof |
| CN113325758A (en) * | 2021-05-24 | 2021-08-31 | 中国南方电网有限责任公司超高压输电公司柳州局 | Method and device for remotely controlling power supply of intelligent sequential control isolation switch motor of transformer substation |
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Application publication date: 20181123 |
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