CN101867227A - Method and device for electrically controlling high voltage circuit breaker to switch on or switch off - Google Patents
Method and device for electrically controlling high voltage circuit breaker to switch on or switch off Download PDFInfo
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- CN101867227A CN101867227A CN201010214113A CN201010214113A CN101867227A CN 101867227 A CN101867227 A CN 101867227A CN 201010214113 A CN201010214113 A CN 201010214113A CN 201010214113 A CN201010214113 A CN 201010214113A CN 101867227 A CN101867227 A CN 101867227A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
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Abstract
The invention belongs to the technical field of high-voltage power supply control and particularly relates to a method and a device for electrically controlling a high voltage circuit breaker to switch on or switch off. According to the technical scheme, the high-voltage circuit breaker is controlled by a contact signal of a control system to switch on or switch off, i.e., the control system drives to lead the circuit breaker to switch on, and the control system stops driving to lead the circuit breaker to switch off, particularly, the control system is not directly drive the coil of the circuit breaker for switching on or switching off, but control an intermediate relay, an on-delay relay and an off-delay relay, the three relays act to generate a switching-on short-time pulse signal and a switching-off short-time pulse signal with the time being adjustable from 1 to 60 seconds, thus ensuring that a distributed control system (DCS) can be switched off by the high-voltage circuit breaker in a failure and preventing the coil for switching on or switching off from being burnt up after being live for a long time. The invention has the characteristics of operation reliability, potential risk elimination and high operability and skillfully combines the advantages and overcomes the disadvantages in the prior art, thus ensuring that the DCS can be switched off by the high-voltage circuit breaker in the failure and preventing the coil for switching on or switching off from being burnt up after being live for a long time.
Description
Affiliated technical field:
The present invention relates to a kind of high-voltage circuit-breaker switching on-off electric control method and device, belong to high voltage supply control technology field.
Background technology:
The divide-shut brake of control primary cut-out in the high-voltage board design process, giving on-the-spot high-tension apparatus, high-voltage motor power supply is the major function of high voltage control cabinet, the divide-shut brake of primary cut-out is to finish by the divide-shut brake coil on the control primary cut-out.
For realizing the closing coil and the switching winding of remote control control primary cut-out, prior art has two kinds of methods: 1, a distant place (automation PLC control system) gives two pulse dry contacts of high-voltage board signal, one of them signal is used for closing a floodgate, and another signal is used for separating brake.2: a distant place (automation PLC control system) makes a long driver the dry contact signal for one of high-voltage board, control the divide-shut brake of high-voltage board by a dry contact signal, the primary cut-out closing coil is closed a floodgate, and contact makes high-voltage circuit breaker brake cable circle separating brake when disconnecting.
Two kinds of methods respectively have pluses and minuses:
The advantage of first method is that the signal that Central Control Room provides is instantaneous pulse signal, no matter whether close a floodgate at the scene after sending signal, after 1 pulse, the divide-shut brake signal can both be destroyed automatically, can not burn coil owing to the primary cut-out closing coil is subjected to electricity for a long time, and shortcoming is because divide-shut brake all needs to obtain contact point signal, when the PLC(Programmable Logic Controller) when system goes wrong, the pulse sub-gate signal can not send, and causes the primary cut-out can't separating brake, has potential faults.
What the advantage of second method was that Central Control Room comes is to make a long driver signal, when the PLC system goes wrong all outputs all can become 0 consistent with sub-gate signal, breaker open operation, consistent with demand, can not produce fault.Its shortcoming is if circuit breaker auxiliary contact actions or breaker closing when going wrong, drive and can't remove always, burns the divide-shut brake coil easily.
Summary of the invention:
The object of the invention provides a kind of high-voltage circuit-breaker switching on-off electric control method and device, and the reliability of safety action is eliminated accident potential, and is workable, solves the problems referred to above that exist in the background technology.
Technical scheme of the present invention is:
A kind of high-voltage circuit-breaker switching on-off electric control method comprises following steps: control the divide-shut brake of circuit breaker by a contact point signal of control system, control system is sent breaker closing when driving, and removes breaker open operation when driving; The divide-shut brake coil of circuit breaker is not directly controlled in the driving that control system is sent, but control an auxiliary relay, an energization delay relay and a power-off delay relay, produce a combined floodgate short-time pulse signal by three relay effects, a separating brake short-time pulse signal, time is adjustable by 60 seconds from 1 second, primary cut-out separating brake in the time of can guaranteeing DCS dcs fault can guarantee that again the divide-shut brake coil can be not long charged and burn coil.
The high-voltage circuit-breaker switching on-off electrical control gear, comprise Programmable Logic Controller PLC, relay, auxiliary relay, energization delay relay, power-off delay relay, closing relay, the separating brake relay, the node strings of often opening of Programmable Logic Controller PLC is connected in the relay coil loop, the node strings of often opening of relay is connected on the auxiliary relay coil, the energization delay relay coil, in the loop that the power-off delay relay coils from parallel connection of coils is provided with, the normally closed node strings of often opening node and energization delay relay of auxiliary relay is connected in the closing relay wire loop, and the node strings of often opening of the normally closed node of auxiliary relay and power-off delay relay is connected in the separating brake relay coil loop.
The reference time delay of energization delay relay, power-off delay relay is 1-60 second.
Adopt the present invention, control system (PLC) is sent switching signal, the switching signal that closing coil time of giving primary cut-out the battle of closing relay is t; After PLC removed switching signal, give time of closing coil of primary cut-out the battle of separating brake relay was the t sub-gate signal.
The present invention has the reliability of safety action, eliminate accident potential, characteristics such as workable, combine the advantage of background technology dexterously, abandoned the shortcoming of background technology, primary cut-out separating brake in the time of can guaranteeing the DCS fault can guarantee that again the divide-shut brake coil can be not long charged and burn coil.
Description of drawings:
Accompanying drawing is the structural representation of the embodiment of the invention;
Among the figure: the normally closed node 5 of the normally closed node 4 of often opening node 3, energization delay relay of often driving joint 2, auxiliary relay coil 3KA, energization delay relay coil KT2, power-off delay relay coil KT2, auxiliary relay of often driving node 1, relay coil 2KA, relay of Programmable Logic Controller PLC, closing relay coil 4KA, auxiliary relay, power-off delay relay often open node 6, separating brake relay coil 5KA.
Embodiment:
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
In an embodiment, control the divide-shut brake of circuit breaker by a contact point signal of control system, control system is sent breaker closing when driving, and removes breaker open operation when driving; The divide-shut brake coil of circuit breaker is not directly controlled in the driving that control system is sent, but control an auxiliary relay, an energization delay relay and a power-off delay relay, produce a combined floodgate short-time pulse signal by three relay effects, a separating brake short-time pulse signal, time is adjustable by 60 seconds from 1 second, can guarantee the DCS(dcs) primary cut-out separating brake during fault, can guarantee that again the divide-shut brake coil can be not long charged and burn coil.
Control system is Programmable Logic Controller PLC, and be provided with relay, auxiliary relay, energization delay relay, power-off delay relay, closing relay, the separating brake relay, the node strings of often opening of Programmable Logic Controller PLC is connected in the relay coil loop, the node strings of often opening of relay is connected on the auxiliary relay coil, the energization delay relay coil, in the loop that the power-off delay relay coils from parallel connection of coils is provided with, the normally closed node strings of often opening node and energization delay relay of auxiliary relay is connected in the closing relay wire loop, and the node strings of often opening of the normally closed node of auxiliary relay and power-off delay relay is connected in the separating brake relay coil loop.
The high-voltage circuit-breaker switching on-off electrical control gear, comprise Programmable Logic Controller PLC, relay, auxiliary relay, energization delay relay, power-off delay relay, closing relay, the separating brake relay, the node 1 of often opening of Programmable Logic Controller PLC is serially connected in the relay coil 2KA loop, the node 2 of often opening of relay is serially connected in auxiliary relay coil 3KA, energization delay relay coil KT2, in the loop that power-off delay relay coil KT1 is arranged in parallel, the normally closed node 4 of often opening node 3 and energization delay relay of auxiliary relay is serially connected in the closing relay coil 4KA loop, and the node 6 of often opening of the normally closed node 5 of auxiliary relay and power-off delay relay is serially connected in the separating brake relay coil 5KA loop.The reference time delay of energization delay relay, power-off delay relay is 1-60 second.
Detailed process is as follows: after PLC sends switching signal, relay closes a floodgate, closure battle of while relay, auxiliary relay, energization delay relay and power-off delay relay coil are got, closure battle of auxiliary relay, close point disconnect, the break contact of energization delay relay time-delay t disconnected after the time, made the closing relay coil get the electric t section time, the switching signal that closing coil time of giving primary cut-out the battle of closing relay is t; After PLC removes switching signal, the relay coil dead electricity, disconnect the battle of relay simultaneously, make war to disconnect and make auxiliary relay, energization delay relay and power-off delay relay coil losing electricity, the close point closure of auxiliary relay, the make contact time-delay t of power-off delay relay disconnected after the time, made the separating brake relay coil get the electric t section time, and give time of closing coil of primary cut-out the battle of separating brake relay is the t sub-gate signal.
Claims (5)
1. high-voltage circuit-breaker switching on-off electric control method is characterized in that comprising following steps: control the divide-shut brake of circuit breaker by a contact point signal of control system, control system is sent breaker closing when driving, and removes breaker open operation when driving; The divide-shut brake coil of circuit breaker is not directly controlled in the driving that control system is sent, but control an auxiliary relay, an energization delay relay and a power-off delay relay, produce a combined floodgate short-time pulse signal by three relay effects, a separating brake short-time pulse signal, time is adjustable by 60 seconds from 1 second, primary cut-out separating brake in the time of can guaranteeing DCS dcs fault can guarantee that again the divide-shut brake coil can be not long charged and burn coil.
2. the high-voltage circuit-breaker switching on-off electric control method according to claim 1, it is characterized in that control system is Programmable Logic Controller PLC, and be provided with relay, auxiliary relay, energization delay relay, power-off delay relay, closing relay, the separating brake relay, the node strings of often opening of Programmable Logic Controller PLC is connected in the relay coil loop, the node strings of often opening of relay is connected on the auxiliary relay coil, the energization delay relay coil, in the loop that the power-off delay relay coils from parallel connection of coils is provided with, the normally closed node strings of often opening node and energization delay relay of auxiliary relay is connected in the closing relay wire loop, and the node strings of often opening of the normally closed node of auxiliary relay and power-off delay relay is connected in the separating brake relay coil loop.
3. the high-voltage circuit-breaker switching on-off electric control method according to claim 2, it is characterized in that: after PLC sends switching signal, relay closes a floodgate, closure battle of while relay, auxiliary relay, energization delay relay and power-off delay relay coil are got, closure battle of auxiliary relay, close point disconnect, the break contact time-delay t of energization delay relay disconnected after the time, make the closing relay coil get the electric t section time, the switching signal that closing coil time of giving primary cut-out the battle of closing relay is t; After PLC removes switching signal, the relay coil dead electricity, disconnect the battle of relay simultaneously, make war to disconnect and make auxiliary relay, energization delay relay and power-off delay relay coil losing electricity, the close point closure of auxiliary relay, the make contact time-delay t of power-off delay relay disconnected after the time, made the separating brake relay coil get the electric t section time, and give time of closing coil of primary cut-out the battle of separating brake relay is the t sub-gate signal.
4. high-voltage circuit-breaker switching on-off electrical control gear, it is characterized in that comprising Programmable Logic Controller PLC, relay, auxiliary relay, energization delay relay, power-off delay relay, closing relay, the separating brake relay, the node strings of often opening of Programmable Logic Controller PLC is connected in the relay coil loop, the node strings of often opening of relay is connected on the auxiliary relay coil, the energization delay relay coil, in the loop that the power-off delay relay coils from parallel connection of coils is provided with, the normally closed node strings of often opening node and energization delay relay of auxiliary relay is connected in the closing relay wire loop, and the node strings of often opening of the normally closed node of auxiliary relay and power-off delay relay is connected in the separating brake relay coil loop.
5. the high-voltage circuit-breaker switching on-off electrical control gear according to claim 4, the reference time delay that it is characterized in that energization delay relay, power-off delay relay is 1-60 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102141133A CN101867227B (en) | 2010-07-01 | 2010-07-01 | Method and device for electrically controlling high voltage circuit breaker to switch on or switch off |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102141133A CN101867227B (en) | 2010-07-01 | 2010-07-01 | Method and device for electrically controlling high voltage circuit breaker to switch on or switch off |
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| CN101867227A true CN101867227A (en) | 2010-10-20 |
| CN101867227B CN101867227B (en) | 2012-01-04 |
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| CN2010102141133A Active CN101867227B (en) | 2010-07-01 | 2010-07-01 | Method and device for electrically controlling high voltage circuit breaker to switch on or switch off |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361352A (en) * | 2011-10-24 | 2012-02-22 | 山东电力工程咨询院有限公司 | Change-over switch integration circuit for circuit breaker of intelligent converting station |
| CN102723244A (en) * | 2012-06-13 | 2012-10-10 | 珠海许继电气有限公司 | Control method for permanent-magnetic circuit breaker |
| CN108363349A (en) * | 2018-02-09 | 2018-08-03 | 马钢(集团)控股有限公司 | Belt transport robot control system(RCS) mesohigh cabinet stablizes the method for receiving automatic control signal |
| CN108471076A (en) * | 2017-12-21 | 2018-08-31 | 安徽宇腾真空电气有限责任公司 | A kind of novel circular mine vacuum power distribution equipment |
| CN109599279A (en) * | 2018-12-29 | 2019-04-09 | 国家电网有限公司 | A kind of control device of breaker |
| CN109687385A (en) * | 2019-01-10 | 2019-04-26 | 中山市明阳电器有限公司 | A kind of control circuit of relay protection and high-pressure vacuum contactor cooperation |
| CN109782657A (en) * | 2018-12-26 | 2019-05-21 | 河南平高电气股份有限公司 | A kind of circuit-breaker switching on-off integrated control system |
| CN111929572A (en) * | 2019-12-20 | 2020-11-13 | 南京南瑞继保电气有限公司 | Circuit breaker opening and closing time estimation device and method |
| CN113160491A (en) * | 2021-04-07 | 2021-07-23 | 威胜电气有限公司 | Primary and secondary integration high-voltage charge control switching-on and switching-off control method |
| CN117388676A (en) * | 2023-09-20 | 2024-01-12 | 广东明阳电气股份有限公司 | Monitoring device and monitoring system of vacuum circuit breaker |
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| JP2002044859A (en) * | 2000-07-24 | 2002-02-08 | Mitsubishi Electric Corp | Overexcitation protection device of generator |
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| CN201294375Y (en) * | 2008-10-28 | 2009-08-19 | 鞍钢股份有限公司 | On-off coil protector for circuit breaker |
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2010
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Patent Citations (3)
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| JP2002044859A (en) * | 2000-07-24 | 2002-02-08 | Mitsubishi Electric Corp | Overexcitation protection device of generator |
| CN2755770Y (en) * | 2004-12-24 | 2006-02-01 | 西安西开高压电气股份有限公司 | On-off time protector of high-voltage breaker |
| CN201294375Y (en) * | 2008-10-28 | 2009-08-19 | 鞍钢股份有限公司 | On-off coil protector for circuit breaker |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361352A (en) * | 2011-10-24 | 2012-02-22 | 山东电力工程咨询院有限公司 | Change-over switch integration circuit for circuit breaker of intelligent converting station |
| CN102723244A (en) * | 2012-06-13 | 2012-10-10 | 珠海许继电气有限公司 | Control method for permanent-magnetic circuit breaker |
| CN108471076A (en) * | 2017-12-21 | 2018-08-31 | 安徽宇腾真空电气有限责任公司 | A kind of novel circular mine vacuum power distribution equipment |
| CN108363349A (en) * | 2018-02-09 | 2018-08-03 | 马钢(集团)控股有限公司 | Belt transport robot control system(RCS) mesohigh cabinet stablizes the method for receiving automatic control signal |
| CN109782657A (en) * | 2018-12-26 | 2019-05-21 | 河南平高电气股份有限公司 | A kind of circuit-breaker switching on-off integrated control system |
| CN109782657B (en) * | 2018-12-26 | 2020-07-28 | 河南平高电气股份有限公司 | Circuit breaker divide-shut brake integrated control system |
| CN109599279A (en) * | 2018-12-29 | 2019-04-09 | 国家电网有限公司 | A kind of control device of breaker |
| CN109599279B (en) * | 2018-12-29 | 2024-03-22 | 国家电网有限公司 | Control device of circuit breaker |
| CN109687385A (en) * | 2019-01-10 | 2019-04-26 | 中山市明阳电器有限公司 | A kind of control circuit of relay protection and high-pressure vacuum contactor cooperation |
| CN111929572A (en) * | 2019-12-20 | 2020-11-13 | 南京南瑞继保电气有限公司 | Circuit breaker opening and closing time estimation device and method |
| CN113160491A (en) * | 2021-04-07 | 2021-07-23 | 威胜电气有限公司 | Primary and secondary integration high-voltage charge control switching-on and switching-off control method |
| CN117388676A (en) * | 2023-09-20 | 2024-01-12 | 广东明阳电气股份有限公司 | Monitoring device and monitoring system of vacuum circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN101867227B (en) | 2012-01-04 |
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Address after: 063000 south of North Ring Road and east of Yingkou Road, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: Jinyu Electric (Tangshan) Co.,Ltd. Address before: 063020 No.1 Xichang Road, High tech Development Zone, Tangshan City, Hebei Province Patentee before: TANGSHAN DUNSHI ELECTRIC Co.,Ltd. |
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