CN108631288A - A kind of arc suppression coil joint debugging control method, apparatus and system - Google Patents
A kind of arc suppression coil joint debugging control method, apparatus and system Download PDFInfo
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- CN108631288A CN108631288A CN201810235923.3A CN201810235923A CN108631288A CN 108631288 A CN108631288 A CN 108631288A CN 201810235923 A CN201810235923 A CN 201810235923A CN 108631288 A CN108631288 A CN 108631288A
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- suppression coil
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- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 4
- 230000009183 running Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000033228 biological regulation Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
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Abstract
The present invention relates to power system automation technology fields, specifically disclose a kind of arc suppression coil joint debugging control method, wherein including：It is obtained and the matched logic control program of the Main connection form according to the Main connection form of current transformer substation；Joint debugging controller will be written with the matched logic control program of the Main connection form of current transformer substation；Acquire the position signal of all branch circuit breakers of main transformer low-pressure side and the position signal of all block switches of low-pressure side bus；The state of a control of each arc suppression coil is calculated according to the position signal of the position signal of all branch circuit breakers of the main transformer low-pressure side and all block switches of low-pressure side bus；The joint debugging controller controls the operating mode of each arc suppression coil.The invention also discloses a kind of arc suppression coil joint debugging control device and systems.Arc suppression coil joint debugging control method provided by the invention avoids the generation of complicated electric loop, and easy to operate, applicability is wide.
Description
Technical field
The present invention relates to power system automation technology field more particularly to a kind of arc suppression coil joint debugging control method, one
Kind arc suppression coil joint debugging control device and the arc suppression coil joint debugging control system including the arc suppression coil joint debugging control device.
Background technology
In small current neutral grounding system, arc suppression coil can be after singlephase earth fault occurs for power grid, and compensation inductive current is to subtract
Small grounding current.Existing arc suppression coil tuning manner mainly has presetting system and with two kinds of mode.Preset arc suppression coil is being
The arc suppression coil of input and system operation mode respective volume when normal operation of uniting, and it is anti-by serial or parallel connection damping resistance
Only series resonance can put into arc suppression coil by zero propagation when short circuit occurs for system.Post-set arc suppression coils are in system normal operation
When do not put into arc suppression coil, when system occur short circuit when, arc suppression coil is adjusted to corresponding position.
With the popularization of single female more section wiring forms, the case where certainly existing more arc suppression coil parallel runnings.When more
When platform arc suppression coil parallel running, need to carry out cooperation joint debugging according to the method for operation of system.Host-slave parallel is most common disappears
Arc coil parallel running mode.From adjusting arc suppression coil to use presetting system control mode, when short trouble occurs for system, zero prolongs
When put into all told arc suppression coil；Homophony arc suppression coil is repaid scarce according to the zero-sequence current value complement after adjusting arc suppression coil input
Volume.
Existing arc suppression coil joint debugging mainly by by each block switch and main transformer low-pressure side switch auxiliary node string simultaneously
Join to realize, wiring is complicated and needs to consume a large amount of cables, when causing main electrical scheme to change due to substation's reorganization and expansion, needs
Circuit is redesigned, wiring is changed, brings certain security risk.
Therefore, a variety of Main connection forms can be applicable in by how providing a kind of Arc Suppression Coil Control mode.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of arc suppression coil joint debugging control is provided
Method, a kind of arc suppression coil joint debugging control device and the arc suppression coil joint debugging control including the arc suppression coil joint debugging control device processed
System, to solve the problems of the prior art.
As the first aspect of the invention, a kind of arc suppression coil joint debugging control method is provided, wherein the arc suppression coil
Joint debugging control method includes：
It is obtained and the matched logic control program of the Main connection form according to the Main connection form of current transformer substation；
Joint debugging controller will be written with the matched logic control program of the Main connection form of current transformer substation；
Acquire the position signal of all branch circuit breakers of main transformer low-pressure side and the position letter of all block switches of low-pressure side bus
Number；
According to the position of the position signal of all branch circuit breakers of the main transformer low-pressure side and all block switches of low-pressure side bus
Confidence number calculates the state of a control of each arc suppression coil；
The joint debugging controller controls the operating mode of each arc suppression coil.
Preferably, the joint debugging controller is used from motion tracking substation operation pattern.
Preferably, the Main connection form of the substation includes two main transformer low-pressure sides, and all there are double branches, low-pressure side to press
Distant view configures, using six segments in a circular shape wiring of single busbar.
As the second aspect of the invention, a kind of arc suppression coil joint debugging control device is provided, wherein the arc suppression coil
Joint debugging control device includes：
Logic control program designs module, and the logic control program design module is used for the main electrical scheme shape according to current transformer substation
Formula obtains and the matched logic control program of the Main connection form；
Writing module, said write module be used for by with the matched logic control program of the Main connection form of current transformer substation
Joint debugging controller is written；
Acquisition module, the acquisition module are used to acquire the position signal and low-pressure side of all branch circuit breakers of main transformer low-pressure side
The position signal of all block switches of busbar；
Computing module, the computing module are used for according to the position signal of all branch circuit breakers of the main transformer low-pressure side and low
The position signal of pressure all block switches of side bus calculates the state of a control of each arc suppression coil；
Joint debugging controller, the joint debugging controller is for controlling the operating mode of each arc suppression coil.
As the third aspect of the invention, a kind of arc suppression coil joint debugging control system is provided, wherein the arc suppression coil
Joint debugging control system includes communication interface and previously described arc suppression coil joint debugging control device, the arc suppression coil joint debugging control
Acquisition module in device can be communicated to connect by the communication interface and monitoring system, and the acquisition module passes through described logical
Letter interface acquires position signal and the low-pressure side bus institute of all branch circuit breakers of main transformer low-pressure side from the monitoring system
There is the position signal of block switch.
Preferably, the arc suppression coil joint debugging control system further include program write-in interface, described program be written interface with
The writing module of the arc suppression coil joint debugging control device connects.
Preferably, the arc suppression coil joint debugging control system further includes control model output port, and the control module is defeated
Exit port is connect with the joint debugging controller of the arc suppression coil joint debugging control device.
Preferably, the arc suppression coil joint debugging control system further includes multiple new arc suppression coil control systems, each extinguishing arc
Coil controllers are connect with the control module output port.
Preferably, the arc suppression coil joint debugging control system further includes power interface, the power interface and the extinguishing arc
Coil joint debugging control device connects.
Arc suppression coil joint debugging control method provided by the invention, by by Arc Suppression Coil Control model program, avoiding
The generation of complicated electric loop, while also avoiding a series of problems that cumbersome wiring is brought.Arc suppression coil provided by the invention
Joint debugging control method is easy to operate, and applicability is wide, is suitable for all possible method of operation.To different substation and substation
Different Main connection form in construction period need to be only written by simple program and control logic update can be completed, avoided
The safety problem of outaged equipment and operating personnel that reconfiguration tape comes is conducive to the stable operation of system, and popularization and application difficulty is low,
The safe and stable operation of substation is ensured.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the flow chart of arc suppression coil joint debugging control method provided by the invention.
Fig. 2 is the main wiring diagram of specific implementation mode provided by the invention.
Arc suppression coil joint debuggings of the Fig. 3 for all operational modes of the substation provided by the invention and in this operating mode
Mode.
Fig. 4 is #2 Arc Suppression Coil Controls ideograph provided by the invention.
Fig. 5 is #3 Arc Suppression Coil Controls ideograph provided by the invention.
Fig. 6 is arc suppression coil joint debugging controling device structure diagram provided by the invention.
Fig. 7 is arc suppression coil joint debugging control system architecture schematic diagram provided by the invention.
Fig. 8 is the specific implementation mode structural schematic diagram of arc suppression coil joint debugging control system provided by the invention.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As the first aspect of the invention, a kind of arc suppression coil joint debugging control method is provided, wherein as shown in Figure 1, institute
Stating arc suppression coil joint debugging control method includes：
S110, it is obtained and the matched logic control program of the Main connection form according to the Main connection form of current transformer substation；
S120, joint debugging controller will be written with the matched logic control program of the Main connection form of current transformer substation；
The position of S130, the position signal for acquiring all branch circuit breakers of main transformer low-pressure side and all block switches of low-pressure side bus
Confidence number；
S140, position signal and all block switches of low-pressure side bus according to all branch circuit breakers of the main transformer low-pressure side
Position signal calculate the state of a control of each arc suppression coil；
S150, the joint debugging controller control the operating mode of each arc suppression coil.
Arc suppression coil joint debugging control method provided by the invention, by by Arc Suppression Coil Control model program, avoiding
The generation of complicated electric loop, while also avoiding a series of problems that cumbersome wiring is brought.Arc suppression coil provided by the invention
Joint debugging control method is easy to operate, and applicability is wide, is suitable for all possible method of operation.To different substation and substation
Different Main connection form in construction period need to be only written by simple program and control logic update can be completed, avoided
The safety problem of outaged equipment and operating personnel that reconfiguration tape comes is conducive to the stable operation of system, and popularization and application difficulty is low,
The safe and stable operation of substation is ensured.
It is understood that can be further determined that each according to all possible method of operation of Main connection form automatic decision
Arc suppression coil joint debugging demand for control under the method for operation, with arc suppression coil operating mode switching times at least for target, design is suitable
Logic control program for all operational modes of the Main connection form.
Specifically, the joint debugging controller is used from motion tracking substation operation pattern.
Specifically, the Main connection form of the substation includes two main transformer low-pressure sides, and all there are double branches, low-pressure side to press
Distant view configures, using six segments in a circular shape wiring of single busbar.
As specifically embodiment, by taking main electrical scheme shown in Fig. 2 as an example, to arc suppression coil joint debugging control provided by the invention
The course of work of method processed is described in detail.
Main electrical scheme pattern shown in Fig. 2, which includes two main transformer low-pressure sides, all has double branches, and low-pressure side distant view is using single female
Six segments in a circular shape wiring of line, since load is more, low-pressure side is configured by distant view, and due to load value and little, #3 main transformers are temporary
On not, overlapped between III sections of busbares of low-pressure side and IV sections of busbares, between V sections of busbares and VI sections of busbares using hard, for load point
Portion balances, and #2 main transformer low-pressure sides branch two is connected on temporarily on V sections of busbares, and #1, #2, #3 arc suppression coil are connected on I sections of busbares, IV respectively
On section busbar and VI busbares, such connection type is common in area that are fairly developed economically.
4 master switch, 3 block switches make the substation have 18 kinds of operational modes（Consider extreme case）.Fig. 3
It show all operational modes and arc suppression coil joint debugging mode in this operating mode of the substation.
Wherein：Joint debugging is needed labeled as #1, #2, #3 arc suppression coil under the method for operation 1.；Labeled as # under the method for operation 2.
2, #3 arc suppression coils need joint debugging；Joint debugging is needed labeled as #1, #3 arc suppression coil under the method for operation 3.；Labeled as the method for operation 4.
Lower #1, #2 arc suppression coil needs joint debugging.
It is determined according to method of operation quantity：When #1, #2, #3 arc suppression coil joint debugging, #1 arc suppression coils work in homophony mould
Formula, #2 arc suppression coils are worked in from mode transfer formula, and #3 arc suppression coils are worked in from mode transfer formula；When #2, #3 arc suppression coil joint debugging, #2
Homophony, #3 is from tune；When #1, #3 arc suppression coil joint debugging, #1 homophonies, #3 is from tune；When #1, #2 arc suppression coil joint debugging, #1 master
It adjusts, #2 is from tune.
Above-mentioned control model can guarantee that arc suppression coil operating mode switching times are minimum, also can be according to difference in Practical Project
Arc suppression coil producer control principle difference uses different control models.Under above-mentioned control model, #1 extinguishing arcs work in master always
Mode transfer formula, #2, #3 Arc Suppression Coil Control pattern are as shown in Figure 4, Figure 5.
From fig. 4, it can be seen that #2 arc suppression coils meet following two conditions for the moment, homophony pattern is worked in, other feelings
Condition is worked in from mode transfer formula：（1）#2 main transformer low-pressure sides branch all closes a floodgate or IV-V block switches close a floodgate, and I-VI is segmented
Switch is in gate-dividing state；（2）I-VI block switches close a floodgate, and IV-V block switch separating brakes, and #2 main transformer low-pressure sides point
Branch has and only there are one branches to close a floodgate.
From fig. 5, it can be seen that the condition that #3 arc suppression coils work in homophony pattern is：The double branches of #1 main transformer low-pressure sides are whole
It closes a floodgate, and II-III block switches close a floodgate, I-VI block switches and IV-V block switches are in gate-dividing state.Other feelings
Condition #3 arc suppression coils are worked in from mode transfer formula.
Arc suppression coil joint debugging controller is written into Fig. 4, Fig. 5 logical relation, and end is outputed by control model and opens result
Enter to #2, #3 new arc suppression coil control system, you can complete the arc suppression coil being suitable under all 18 kinds of operating conditions of substation connection
Regulation and control system.
As the second aspect of the invention, a kind of arc suppression coil joint debugging control device is provided, wherein as shown in fig. 6, institute
Stating arc suppression coil joint debugging control device 100 includes：
Logic control program designs module 110, and the logic control program design module 110 is used for the master according to current transformer substation
Connection type obtains and the matched logic control program of the Main connection form；
Writing module 120, said write module 120 be used for by with the matched logic control of the Main connection form of current transformer substation
Joint debugging controller is written in processing procedure sequence；
Acquisition module 130, the acquisition module 130 be used for acquire all branch circuit breakers of main transformer low-pressure side position signal and
The position signal of all block switches of low-pressure side bus；
Computing module 140, the computing module 140 are used for the position signal according to all branch circuit breakers of the main transformer low-pressure side
And the position signal of all block switches of low-pressure side bus calculates the state of a control of each arc suppression coil；
Joint debugging controller 150, the joint debugging controller 150 is for controlling the operating mode of each arc suppression coil.
Arc suppression coil joint debugging control device provided by the invention, by by Arc Suppression Coil Control model program, avoiding
The generation of complicated electric loop, while also avoiding a series of problems that cumbersome wiring is brought.Arc suppression coil provided by the invention
Joint debugging control device is easy to operate, and applicability is wide, is suitable for all possible method of operation.To different substation and substation
Different Main connection form in construction period need to be only written by simple program and be can be completed, avoid what reconfiguration tape came
The safety problem of outaged equipment and operating personnel are conducive to the stable operation of system, and popularization and application difficulty is low, has ensured substation
Safe and stable operation.
It is understood that logic control program design module can be according to all possible fortune of Main connection form automatic decision
Line mode further determines that the arc suppression coil joint debugging demand for control under each method of operation, with the switching time of arc suppression coil operating mode
Number is at least target, logic control program of the design suitable for all operational modes of the Main connection form.
As the third aspect of the invention, a kind of arc suppression coil joint debugging control system is provided, wherein as shown in fig. 7, institute
It includes communication interface 200 and previously described arc suppression coil joint debugging control device 100, institute to state arc suppression coil joint debugging control system 10
The acquisition module in arc suppression coil joint debugging control device 100 is stated to communicate with monitoring system 20 by the communication interface 200
Connection, the acquisition module acquire all branch's open circuits of main transformer low-pressure side by the communication interface from the monitoring system 20
The position signal of all block switches of position signal and low-pressure side bus of device.
Arc suppression coil joint debugging control system provided by the invention, by by Arc Suppression Coil Control model program, avoiding
The generation of complicated electric loop, while also avoiding a series of problems that cumbersome wiring is brought.Arc suppression coil provided by the invention
Joint debugging control system is easy to operate, and applicability is wide, is suitable for all possible method of operation.To different substation and substation
Different Main connection form in construction period need to be only written by simple program and be can be completed, avoid what reconfiguration tape came
The safety problem of outaged equipment and operating personnel are conducive to the stable operation of system, and popularization and application difficulty is low, has ensured substation
Safe and stable operation.
Specifically, described as shown in figure 8, the arc suppression coil joint debugging control system 10 further includes program write-in interface 300
Program write-in interface 300 is connect with the writing module of the arc suppression coil joint debugging control device 100.
Specifically, the arc suppression coil joint debugging control system 10 further includes control model output port 400, the control mould
Block output port 400 is connect with the joint debugging controller of the arc suppression coil joint debugging control device 100.
Further specifically, the arc suppression coil joint debugging control system 10 further includes multiple new arc suppression coil control systems 600, often
A new arc suppression coil control system 600 is connect with the control module output port 400.
Specifically, the arc suppression coil joint debugging control system 10 further includes power interface 500, the power interface 500 with
The arc suppression coil joint debugging control device 100 connects.
In arc suppression coil joint debugging control system provided by the invention, arc suppression coil joint debugging control device can be transported from motion tracking substation
Row pattern acquires the state of respective switch from monitoring device, and according to the homophony of its position judgment arc suppression coil or from mode transfer formula,
Corresponding new arc suppression coil control system is input a signal by control model output end.There are different wiring within substation's construction period
Form, the method for operation is versatile and flexible under same connection type, and arc suppression coil needs are switched to corresponding when operating mode changes
Operating mode.Arc Suppression Coil Control conditional procedure is avoided into the generation of complicated electric loop by digitized form.
When substation's reorganization and expansion causes control condition to change, corresponding program only need to be written, avoid reconfiguration line, avoid having a power failure, together
When also ensure the safety of operation of power networks service personnel.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a kind of arc suppression coil joint debugging control method, which is characterized in that the arc suppression coil joint debugging control method includes：
It is obtained and the matched logic control program of the Main connection form according to the Main connection form of current transformer substation；
Joint debugging controller will be written with the matched logic control program of the Main connection form of current transformer substation；
Acquire the position signal of all branch circuit breakers of main transformer low-pressure side and the position letter of all block switches of low-pressure side bus
Number；
According to the position of the position signal of all branch circuit breakers of the main transformer low-pressure side and all block switches of low-pressure side bus
Confidence number calculates the state of a control of each arc suppression coil；
The joint debugging controller controls the operating mode of each arc suppression coil.
2. arc suppression coil joint debugging control method according to claim 1, which is characterized in that the joint debugging controller uses certainly
Motion tracking substation operation pattern.
3. arc suppression coil joint debugging control method according to claim 1, which is characterized in that the main electrical scheme shape of the substation
Formula, which includes two main transformer low-pressure sides, all has double branches, and low-pressure side is configured by distant view, using six segments in a circular shape wiring of single busbar.
4. a kind of arc suppression coil joint debugging control device, which is characterized in that the arc suppression coil joint debugging control device includes：
Logic control program designs module, and the logic control program design module is used for the main electrical scheme shape according to current transformer substation
Formula obtains and the matched logic control program of the Main connection form；
Writing module, said write module be used for by with the matched logic control program of the Main connection form of current transformer substation
Joint debugging controller is written；
Acquisition module, the acquisition module are used to acquire the position signal and low-pressure side of all branch circuit breakers of main transformer low-pressure side
The position signal of all block switches of busbar；
Computing module, the computing module are used for according to the position signal of all branch circuit breakers of the main transformer low-pressure side and low
The position signal of pressure all block switches of side bus calculates the state of a control of each arc suppression coil；
Joint debugging controller, the joint debugging controller is for controlling the operating mode of each arc suppression coil.
5. a kind of arc suppression coil joint debugging control system, which is characterized in that the arc suppression coil joint debugging control system includes that communication connects
Mouthful and claim 4 described in arc suppression coil joint debugging control device, the acquisition module in the arc suppression coil joint debugging control device
It can be communicated to connect by the communication interface and monitoring system, the acquisition module is by the communication interface from the monitoring
The position signal of all branch circuit breakers of main transformer low-pressure side and the position of all block switches of low-pressure side bus are acquired in system
Signal.
6. arc suppression coil joint debugging control system according to claim 5, which is characterized in that the arc suppression coil joint debugging control
System further includes program write-in interface, and the writing module that interface and the arc suppression coil joint debugging control device is written in described program connects
It connects.
7. arc suppression coil joint debugging control system according to claim 5, which is characterized in that the arc suppression coil joint debugging control
System further includes control model output port, the connection of the control module output port and the arc suppression coil joint debugging control device
Adjust controller connection.
8. arc suppression coil joint debugging control system according to claim 7, which is characterized in that the arc suppression coil joint debugging control
System further includes multiple new arc suppression coil control systems, and each new arc suppression coil control system connects with the control module output port
It connects.
9. arc suppression coil joint debugging control system according to claim 5, which is characterized in that the arc suppression coil joint debugging control
System further includes power interface, and the power interface is connect with the arc suppression coil joint debugging control device.
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| CN201810235923.3A CN108631288B (en) | 2018-03-21 | 2018-03-21 | Arc suppression coil joint debugging control method, device and system |
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| CN201810235923.3A CN108631288B (en) | 2018-03-21 | 2018-03-21 | Arc suppression coil joint debugging control method, device and system |
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| CN1770584A (en) * | 2005-10-12 | 2006-05-10 | 广西大学 | Method for compensating coil drop induction voltage and contact arc-suppression for three-phase voltage regulator |
| CN101453118A (en) * | 2007-11-29 | 2009-06-10 | 上海蓝瑞软件技术有限公司 | Distributed one control multiple automatic arc-suppression coil control apparatus |
| CN201549891U (en) * | 2009-11-26 | 2010-08-11 | 上海鹏起电气设备有限公司 | Automatic control and line selection device capable of simultaneously controlling three arc suppression coils |
| CN202103419U (en) * | 2011-04-13 | 2012-01-04 | 清华大学 | Device for uniformly controlling and selecting open circuits to distributed arc suppression coils of sectionalized busbars in substation |
| CN103199520A (en) * | 2013-04-01 | 2013-07-10 | 山东电力集团公司电力科学研究院 | Parallel operation control method for multiple arc suppression coils of wind power plant |
| CN204741271U (en) * | 2015-05-18 | 2015-11-04 | 中国矿业大学 | Arc suppressing coil united operation controlling means |
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2018
- 2018-03-21 CN CN201810235923.3A patent/CN108631288B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1770584A (en) * | 2005-10-12 | 2006-05-10 | 广西大学 | Method for compensating coil drop induction voltage and contact arc-suppression for three-phase voltage regulator |
| CN101453118A (en) * | 2007-11-29 | 2009-06-10 | 上海蓝瑞软件技术有限公司 | Distributed one control multiple automatic arc-suppression coil control apparatus |
| CN201549891U (en) * | 2009-11-26 | 2010-08-11 | 上海鹏起电气设备有限公司 | Automatic control and line selection device capable of simultaneously controlling three arc suppression coils |
| CN202103419U (en) * | 2011-04-13 | 2012-01-04 | 清华大学 | Device for uniformly controlling and selecting open circuits to distributed arc suppression coils of sectionalized busbars in substation |
| CN103199520A (en) * | 2013-04-01 | 2013-07-10 | 山东电力集团公司电力科学研究院 | Parallel operation control method for multiple arc suppression coils of wind power plant |
| CN204741271U (en) * | 2015-05-18 | 2015-11-04 | 中国矿业大学 | Arc suppressing coil united operation controlling means |
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Application publication date: 20181009 Assignee: Wuxi Zhixing Electric Power Technology Co.,Ltd. Assignor: WUXI GUANGYING ELECTRIC POWER DESIGN CO.,LTD. Contract record no.: X2024980001533 Denomination of invention: A method, device, and system for arc suppression coil joint debugging control Granted publication date: 20200110 License type: Common License Record date: 20240129 Application publication date: 20181009 Assignee: Wuxi Jiushizheng Electrical Equipment Co.,Ltd. Assignor: WUXI GUANGYING ELECTRIC POWER DESIGN CO.,LTD. Contract record no.: X2024980001532 Denomination of invention: A method, device, and system for arc suppression coil joint debugging control Granted publication date: 20200110 License type: Common License Record date: 20240129 |