CN101867227B - 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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- CN101867227B CN101867227B CN2010102141133A CN201010214113A CN101867227B CN 101867227 B CN101867227 B CN 101867227B CN 2010102141133 A CN2010102141133 A CN 2010102141133A CN 201010214113 A CN201010214113 A CN 201010214113A CN 101867227 B CN101867227 B CN 101867227B
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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 accomplish through 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) given 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 breaking off.
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, and 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 receives electricity for a long time, and shortcoming is because divide-shut brake all need obtain contact point signal; As 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 through 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 through three relay effects, a separating brake short-time pulse signal, the 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, 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 in the loop of auxiliary relay coil, energization delay relay coil, the setting of power-off delay relay coils from parallel connection of coils; 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 have combined the advantage of background technology dexterously, have 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 present invention is described further through embodiment.
In an embodiment, control the divide-shut brake of circuit breaker through 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 through three relay effects, a separating brake short-time pulse signal, the 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.
Control system is Programmable Logic Controller PLC; And be provided with relay, auxiliary relay, energization delay relay, power-off delay relay, closing relay, 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 in the loop of auxiliary relay coil, energization delay relay coil, the setting of power-off delay relay coils from parallel connection of coils; 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, 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 the loop of auxiliary relay coil 3KA, energization delay relay coil KT2, power-off delay relay coil KT1 parallel connection setting; 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 normally closed node 5 of auxiliary relay and the node 6 of often opening of power-off delay relay are 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 following: after PLC sends switching signal; Relay closes a floodgate, and the battle of while relay is closed, and making war gets auxiliary relay, energization delay relay and power-off delay relay coil; Closed, the close point disconnection battle of auxiliary relay; The break contact of energization delay relay time-delay t broke off 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 is broken off simultaneously the battle of relay, and making war to break off makes auxiliary relay, energization delay relay and power-off delay relay coil losing electricity; The close point of auxiliary relay is closed; The make contact time-delay t of power-off delay relay broke off 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 (4)
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 through 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 or a separating brake short-time pulse signal through three relay effects; Time is adjustable from 1 second to 60 seconds, and 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; Control system is Programmable Logic Controller PLC; And be provided with relay, auxiliary relay, energization delay relay and power-off delay relay, closing relay and 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 in the loop of auxiliary relay coil, energization delay relay coil and the setting of power-off delay relay coils from parallel connection of coils; 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.
2. the high-voltage circuit-breaker switching on-off electric control method according to claim 1; It is characterized in that: after PLC sends switching signal; Relay closes a floodgate, and the battle of while relay is closed, and making war gets auxiliary relay, energization delay relay and power-off delay relay coil; Closed, the close point disconnection battle of auxiliary relay; The break contact of energization delay relay time-delay t broke off 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 is broken off simultaneously the battle of relay, and making war to break off makes auxiliary relay, energization delay relay and power-off delay relay coil losing electricity; The close point of auxiliary relay is closed; The make contact time-delay t of power-off delay relay broke off 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.
3. 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 and power-off delay relay, closing relay and 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 in the loop of auxiliary relay coil, energization delay relay coil and the setting of power-off delay relay coils from parallel connection of coils; 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.
4. the high-voltage circuit-breaker switching on-off electrical control gear according to claim 3, 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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| Publication Number | Publication Date |
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| CN101867227A CN101867227A (en) | 2010-10-20 |
| CN101867227B true 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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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361352B (en) * | 2011-10-24 | 2013-10-30 | 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 |
| CN102723244B (en) * | 2012-06-13 | 2014-05-07 | 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 |
| 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 |
| 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 |
| CN111929572B (en) * | 2019-12-20 | 2023-05-12 | 南京南瑞继保电气有限公司 | Circuit breaker opening and closing time estimation device and method |
| CN113160491B (en) * | 2021-04-07 | 2022-07-08 | 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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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