CN103956725A - Ground compensation device for magnetic bias type arc-suppression coils - Google Patents
Ground compensation device for magnetic bias type arc-suppression coils Download PDFInfo
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- CN103956725A CN103956725A CN201410137587.0A CN201410137587A CN103956725A CN 103956725 A CN103956725 A CN 103956725A CN 201410137587 A CN201410137587 A CN 201410137587A CN 103956725 A CN103956725 A CN 103956725A
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- magnetic bias
- suppression coil
- compensation device
- type continuously
- continuously adjustable
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Abstract
The invention discloses a ground compensation device for magnetic bias type arc-suppression coils. The ground compensation device is composed of grounding transformers, the novel magnetic bias type continuously adjustable arc-suppression coils, excitation systems, tuning controllers and comprehensive incremental grounding line selection devices. The grounding transformers are connected with the novel magnetic bias type continuously adjustable arc-suppression coils which are connected with the excitation systems. The excitation systems are connected with the tuning controllers which are connected with the comprehensive incremental grounding line selection devices. The tuning controllers are connected with an upper computer. According to the ground compensation device, the comprehensive incremental grounding line selection devices are put forward, the new concept of zero sequence current transformers with self-testing coils is introduced, and a grounding line selection kit is developed; by utilizing the feature that the novel magnetic bias type continuously adjustable arc-suppression coils can be continuously adjusted under high voltage, the tuning controllers act in cooperation with the comprehensive incremental grounding line selection devices, so that the purpose of accurately selecting a grounding line is achieved.
Description
Technical field
The invention belongs to electric power arc suppression coil technical field, especially a kind of arc-suppression coil with magnetic bias earthing compensation device.
Background technology
The compensation effect of arc suppression coil and its de-humorous degree have much relations, tuning suitable arc suppression coil just can reach desirable effect, and electrical network will change, thereby its unbalanced earth fault capacitance current changes thereupon, this just needs people to follow the offset current of adjusting arc suppression coil according to the variation of electrical network.This work is not only more loaded down with trivial details, and is manually difficult to tuning peterson coil timely and accurately in many instances, so realize the automatic tuning of arc suppression coil, is very important.This need to solve two problems, and the one, there is a continuous adjustable arc-suppression reactor, the 2nd, there is one to realize accurately tuning control system.After electrical network generation single phase ground fault, how to search quickly and accurately earth fault in addition, it is very important excising in time the normal operation of faulty line recovery electrical network, and this is also one of the difficult problem of grounding system of puzzling for a long time.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of arc-suppression coil with magnetic bias earthing compensation device is provided.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of arc-suppression coil with magnetic bias earthing compensation device, by grounding transformer, novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL, excitation system, tuning controller and synthesis increment formula earthing wire-selecting device, formed, described grounding transformer connects novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL, described novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL connects excitation system, described excitation system connects tuning controller, described tuning controller connects synthesis increment formula earthing wire-selecting device, and described tuning controller connects host computer.
Preferably, described synthesis increment formula earthing wire-selecting device is also connected with zero sequence current mutual inductor.
Advantage of the present invention and good effect are:
1, the present invention is reasonable in design, proposes compensation network synthesis increment method earthing wire-selecting principle; This principle belongs to international, domestic initiation, has introduced the zero sequence current mutual inductor new ideas with self check coil, has developed earthing wire-selecting the complete sets of equipment.Novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL inside is full static structure, and without any moving component, adjustable range is large, can be with high pressure to regulate continuously with electromagnetism speed, and reliability is high.Solved magnetic biasing type controlled reactor technical barrier, reached control loop and not affected by high side voltage, controllability is good.The feature of utilizing novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL under high pressure to regulate continuously, by tuning controller and the co-operating of synthesis increment formula earthing wire-selecting device, reaches the object of accurate selection ground path.
Accompanying drawing explanation
Fig. 1 is theory structure block diagram of the present invention.
In figure, 1, grounding transformer; 2, novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL; 3, excitation system; 4, tuning controller; 5, synthesis increment formula earthing wire-selecting device; 6, bus circuit breaker; 7, circuit breaker; 8, zero sequence current mutual inductor; 9, voltage transformer; 10, host computer.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of arc-suppression coil with magnetic bias earthing compensation device, as shown in Figure 1: by grounding transformer 1, novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL 2, excitation system 3, tuning controller 4 and synthesis increment formula earthing wire-selecting device 5, formed, described grounding transformer 1 connects novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL 2, described novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL 2 connects excitation system 3, described excitation system 3 connects tuning controller 4, described tuning controller 4 connects synthesis increment formula earthing wire-selecting device 5, and described tuning controller 4 connects host computer 10.Described synthesis increment formula earthing wire-selecting device 5 is also connected with zero sequence current mutual inductor 8.
Specific embodiment, the typical case's application in electric substation is: primary wiring of transformer substation is sectionalized single busbar connection mode, and every section of bus is installed a set of arc-suppression coil with magnetic bias earthing compensation device, isolated operation when mother disconnects, two platforms fortune after mother closure.Tuning controller 4 completes the Tuning Control of novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL 2, and between tuning controller 4 and synthesis increment formula earthing wire-selecting device 5, in correspondence with, both coordinative roles complete the earthing wire-selecting of incremental principle.Between two tuning controllers, in correspondence with, wherein a tuning controller reception mother switching information determines it is separate unit operation or two platform fortune, utilizes tuning controller 4 communication realization between the two to coordinate to control.Each tuning controller and higher level's supervisory control system host computer 10 in correspondence with, are passed to superior system by relevant parameters.Described tuning controller 4 connection bus circuit breakers 6 and voltage transformer 9, described voltage transformer 9 connects grounding transformer 1, described grounding transformer 1 connecting breaker 7, described circuit breaker 7 connects zero sequence current mutual inductor 8.
The present invention is reasonable in design, proposes compensation network synthesis increment method earthing wire-selecting principle; This principle belongs to international, domestic initiation, has introduced the zero sequence current mutual inductor new ideas with self check coil, has developed earthing wire-selecting the complete sets of equipment.Novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL inside is full static structure, and without any moving component, adjustable range is large, can be with high pressure to regulate continuously with electromagnetism speed, and reliability is high.Solved magnetic biasing type controlled reactor technical barrier, reached control loop and not affected by high side voltage, controllability is good.The feature of utilizing novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL under high pressure to regulate continuously, by tuning controller and the co-operating of synthesis increment formula earthing wire-selecting device, reaches the object of accurate selection ground path.
It is emphasized that; embodiment of the present invention is illustrative; rather than determinate; therefore the present invention is not limited to the embodiment described in embodiment; every other execution modes that drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.
Claims (2)
1. an arc-suppression coil with magnetic bias earthing compensation device, it is characterized in that: by grounding transformer, novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL, excitation system, tuning controller and synthesis increment formula earthing wire-selecting device, formed, described grounding transformer connects novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL, described novel magnetic biasing type CONTINUOUSLY ADJUSTABLE ARC SUPPRESSION COIL connects excitation system, described excitation system connects tuning controller, described tuning controller connects synthesis increment formula earthing wire-selecting device, and described tuning controller connects host computer.
2. arc-suppression coil with magnetic bias earthing compensation device according to claim 1, is characterized in that: described synthesis increment formula earthing wire-selecting device is also connected with zero sequence current mutual inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137587.0A CN103956725A (en) | 2014-05-26 | 2014-05-26 | Ground compensation device for magnetic bias type arc-suppression coils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137587.0A CN103956725A (en) | 2014-05-26 | 2014-05-26 | Ground compensation device for magnetic bias type arc-suppression coils |
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| CN103956725A true CN103956725A (en) | 2014-07-30 |
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| CN201410137587.0A Pending CN103956725A (en) | 2014-05-26 | 2014-05-26 | Ground compensation device for magnetic bias type arc-suppression coils |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436776A (en) * | 2008-12-15 | 2009-05-20 | 辽宁省电力有限公司锦州供电公司 | Grounding and line selection method for low current grounding system |
| JP2009183121A (en) * | 2008-01-31 | 2009-08-13 | Chugoku Electric Power Co Inc:The | Distribution line compensating reactor system and distribution line compensating reactor setting method |
| CN103050961A (en) * | 2011-10-14 | 2013-04-17 | 安徽一天电气技术有限公司 | Device for processing instantaneous single-phase grounding fault |
| CN203895976U (en) * | 2014-05-26 | 2014-10-22 | 钟小茹 | Bias magnetic type arc extinguishing wire coil grounding compensation device |
-
2014
- 2014-05-26 CN CN201410137587.0A patent/CN103956725A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009183121A (en) * | 2008-01-31 | 2009-08-13 | Chugoku Electric Power Co Inc:The | Distribution line compensating reactor system and distribution line compensating reactor setting method |
| CN101436776A (en) * | 2008-12-15 | 2009-05-20 | 辽宁省电力有限公司锦州供电公司 | Grounding and line selection method for low current grounding system |
| CN103050961A (en) * | 2011-10-14 | 2013-04-17 | 安徽一天电气技术有限公司 | Device for processing instantaneous single-phase grounding fault |
| CN203895976U (en) * | 2014-05-26 | 2014-10-22 | 钟小茹 | Bias magnetic type arc extinguishing wire coil grounding compensation device |
Non-Patent Citations (1)
| Title |
|---|
| 杨湛晔: ""永煤集团6kV高压电网中性点接地方式研究"", 《中国优秀硕士学位论文全文数据库》 * |
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Application publication date: 20140730 |