CN102570413A - Compensatory protection and linked tripping device for submarine cable - Google Patents
Compensatory protection and linked tripping device for submarine cable Download PDFInfo
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- CN102570413A CN102570413A CN201210002356XA CN201210002356A CN102570413A CN 102570413 A CN102570413 A CN 102570413A CN 201210002356X A CN201210002356X A CN 201210002356XA CN 201210002356 A CN201210002356 A CN 201210002356A CN 102570413 A CN102570413 A CN 102570413A
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Abstract
The invention discloses a compensatory protection and linked tripping device for a submarine cable. The compensatory protection and linked tripping device comprises a transformer station I and a transformer station II which are mutually connected; reactive compensation equipment is arranged between the transformer station I and the transformer station II which are respectively connected with a circuit breaker I and a circuit breaker II; the transformer station I, as well as the transformer station II, is provided with two transformer station fiber interface devices; and four fiber interface devices of the reactive compensation equipment are respectively connected with the four transformer station fiber interface devices positioned on two sides through fibers, so that different trips of the reactive compensation equipment are connected with different commands of the transformer station fiber interfaces. The compensatory protection and linked protection device for the submarine cable, provided by the invention, and can achieve failure isolation through the circuit breakers on two sides of a linked trip line when the reactive compensation equipment is arranged in the middle of the line.
Description
Technical field
The present invention relates to a kind of tripgear, refer in particular to a kind of submarine cable compensation protection intertrip device.
Background technology
In the prior art, 500kV transmission line reactive-load compensation equipment all is loaded on circuit both sides transformer station.As shown in Figure 1; When the reactive-load compensation equipment fault; The compensation protection is at first moved in the order input of this optical fiber interface arrangement; Fiber optic interface unit is sent to the fiber optic interface unit of offside transformer station with command information, and the over-pressure safety device of offside transformer station receives that fiber optic interface unit sends the circuit breaker of this side of signal outlet tripping transformer station.This intertrip method and technology mature and reliable, operating experience is abundant; Overvoltage protection is collected mail in addition and two is got two decision logic, promptly has only and receives that simultaneously two channel signals just export tripping operation, have the function of faulty action preventing; Under optical-fibre channel N-1 situation (i.e. optical-fibre channel fault), two coils of equal ability tripping offside substation breakers during compensation protection action.
But under special circumstances; For example the reactive-load compensation equipment of 500kV submarine cable is installed in the middle of the circuit; For reducing investment outlay, compensation equipment is not generally established circuit breaker, when the compensation equipment fault; Because the compensation equipment of being located in the middle of the circuit is not provided with over-pressure safety device, the circuit breaker of couplet jumping circuit both sides that therefore can't be through adopting prior art comes isolated fault.
Summary of the invention
The purpose of this invention is to provide a kind of submarine cable compensation protection intertrip device, it can overcome the deficiency of prior art, can under the situation in the period of reactive-load compensation equipment is located in the circuit, realize that the circuit breaker that joins the jumping circuit both sides comes isolated fault.
The present invention is achieved in that
A kind of submarine cable compensation protection intertrip device; It includes transformer station one and transformer station two; Said transformer station one is connected with said transformer station two; And be provided with reactive-load compensation equipment between said transformer station one and the said transformer station two; Said transformer station one and said transformer station two are connected with circuit breaker one and circuit breaker two respectively; Said transformer station one and said transformer station two respectively are provided with two transformer station's fiber optic interface units, and four fiber optic interface units of said reactive-load compensation equipment are connected through optical fiber with four transformer station's fiber optic interface units that are positioned at its both sides respectively, and the difference tripping operation that makes said reactive-load compensation equipment is connected with the different command of said transformer station fiber optic interface unit.
The protection of the said reactive-load compensation equipment of this side move in the order of its fiber optic interface unit open into; Transfer commands to transformer station's fiber optic interface unit of the said transformer station one and the said transformer station two of offside through the fiber optic interface unit of said reactive-load compensation equipment, the said transformer station one of offside and transformer station's fiber optic interface unit of said transformer station two are through its order one and order two to directly act on connected circuit breaker.
Preferably; Said transformer station fiber optic interface unit is provided with order one and orders two, and the coil one of said order one and the said transformer station of said order two difference one said circuit breaker and coil two connections or said order one and said order two are connected with the coil one and the coil two of said circuit breaker respectively; Said order one and said order two are respectively with the coil one of said transformer station two said circuit breakers and coil two is connected or said order one and said order two are connected with the coil one and the coil two of said circuit breaker respectively.
Preferably, order two outlets of order one outlet of said transformer station fiber optic interface unit and said transformer station fiber optic interface unit are in series with pressing plate respectively.Control the open and close of said breaker coil one and coil two through the open and close of the said pressing plate of manual control, make things convenient for the throwing of submarine cable compensation protection intertrip device operation to move back.
The present invention compared with prior art has following beneficial effect:
The present invention is through respectively being provided with two transformer station's fiber optic interface units in transformer station one and transformer station two; Again said transformer station interface arrangement is connected with the fiber optic interface unit of said reactive-load compensation equipment through optical fiber; Ripe compensation protection intertrip device is improved the back use, solved the technical problem that the submarine cable reactive-load compensation equipment can not realize protecting the circuit breaker that joins the jumping circuit both sides, and its connection circuit is simple; Operation maintenance is convenient, can save a large amount of equipment investments.
Description of drawings
Fig. 1 is the structural representation of the cable compensation protection intertrip device of prior art;
The structural representation of Fig. 2 submarine cable parallel connection of the present invention protection intertrip device;
Fig. 3 is the structural representation of transformer station's fiber optic interface unit.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated:
As shown in Figure 2; Submarine cable compensation protection intertrip device of the present invention; It includes transformer station one and transformer station two; Said transformer station one and said transformer station two are connected with circuit breaker respectively; Two said circuit breakers all have coil one and coil two, and are provided with reactive-load compensation equipment between said transformer station one and the said transformer station two, and said transformer station one is provided with transformer station's fiber optic interface unit 1,2; Said transformer station two is provided with transformer station's fiber optic interface unit 3,4; The fiber optic interface unit 5,6 of said reactive-load compensation equipment is connected with said transformer station fiber optic interface unit 1,2 through optical-fibre channel one and optical-fibre channel two respectively, and the fiber optic interface unit 7,8 of said reactive-load compensation equipment passes through optical-fibre channel one and optical-fibre channel two respectively and is connected with transformer station's fiber optic interface unit 3,4 of said transformer station two, and the difference of said reactive-load compensation equipment trips and is connected with the different command of said transformer station optical fiber interface.
The fiber optic interface unit 5-8 of said reactive-load compensation equipment is equipped with two command interfaces, is respectively order one and orders two.Said reactive-load compensation equipment includes compensation equipment protection one, compensation equipment protection two and the protection of compensation equipment non electrical quantity.Said compensation equipment protection one is provided with four tripping operations, and said compensation equipment protection two also is provided with four tripping operations, and said compensation equipment non electrical quantity protection is provided with eight tripping operations.Wherein, The order one of the fiber optic interface unit 5 of said reactive-load compensation equipment is connected with the tripping operation three of said compensation equipment protection one, also the tripping operation five with said compensation equipment non electrical quantity protection is connected, and the order two of the fiber optic interface unit 5 of said reactive-load compensation equipment is connected with the tripping operation three of said compensation equipment protection two, also the tripping operation seven with said compensation equipment non electrical quantity protection is connected; The order one of the fiber optic interface unit 6 of said reactive-load compensation equipment is connected with the tripping operation four of said compensation equipment protection one, also the tripping operation six with said compensation equipment non electrical quantity protection is connected; The order two of the fiber optic interface unit 6 of said reactive-load compensation equipment is connected with the tripping operation four of said compensation equipment protection two, and also the tripping operation eight with said compensation equipment non electrical quantity protection is connected; The order one of the fiber optic interface unit 7 of said reactive-load compensation equipment is connected with the tripping operation one of said compensation equipment protection one, also the tripping operation one with said compensation equipment non electrical quantity protection is connected, and the order two of the fiber optic interface unit 7 of said reactive-load compensation equipment is connected with the tripping operation one of said compensation equipment protection two, also the tripping operation three with said compensation equipment non electrical quantity protection is connected; The order one of the fiber optic interface unit 8 of said reactive-load compensation equipment is connected with the tripping operation two of said compensation equipment protection one, also the tripping operation two with said compensation equipment non electrical quantity protection is connected, and the order two of the fiber optic interface unit 8 of said reactive-load compensation equipment is connected with the tripping operation two of said compensation equipment protection two, also the tripping operation four with said compensation equipment non electrical quantity protection is connected.
And the said fiber optic interface unit 1-4 of transformer station is equipped with two command interfaces; The order one of said transformer station fiber optic interface unit 1 and order two to be connected with the coil one and the coil two of the circuit breaker of said transformer station one respectively, the order one of said transformer station fiber optic interface unit 2 and order two to be connected with the coil one and the coil two of the circuit breaker of said transformer station one respectively; The order one of said transformer station fiber optic interface unit 3 and order two to be connected with the coil one and the coil two of the circuit breaker of said transformer station two respectively, the order one of said transformer station fiber optic interface unit 4 and order two to be connected with the coil one and the coil two of the circuit breaker of said transformer station two respectively.
The protection of the said reactive-load compensation equipment of this side move in the order of its fiber optic interface unit open into; Transfer commands to transformer station's fiber optic interface unit of the said transformer station one and the said transformer station two of offside through the fiber optic interface unit of said reactive-load compensation equipment, the said transformer station one of offside and transformer station's fiber optic interface unit of said transformer station two are through its order one and order two to directly act on connected circuit breaker.
Of following table, it has illustrated the transformer station fiber optic interface unit tripping operation outlet logic table of said transformer station one and said transformer station two:
As shown in Figure 3, order one outlet of said transformer station fiber optic interface unit and order two outlets of said transformer station fiber optic interface unit are in series with pressing plate 9,10 respectively.Control the open and close of said breaker coil one and coil two through the open and close of the said pressing plate 9,10 of manual control, make things convenient for the throwing of submarine cable compensation protection intertrip device operation to move back.
More than be merely specific embodiment of the present invention, do not limit protection scope of the present invention with this; Any replacement and the improvement on the basis of not violating the present invention's design, done all belong to protection scope of the present invention.
Claims (3)
1. the intertrip device is protected in a submarine cable compensation; It includes transformer station one and transformer station two; Said transformer station one is connected with said transformer station two; And be provided with reactive-load compensation equipment between said transformer station one and the said transformer station two; Said transformer station one and said transformer station two are connected with circuit breaker one and circuit breaker two respectively, it is characterized in that said transformer station one and said transformer station two respectively are provided with two transformer station's fiber optic interface units; Four fiber optic interface units of said reactive-load compensation equipment are connected through optical fiber with four transformer station's fiber optic interface units that are positioned at its both sides respectively, and the difference tripping operation that makes said reactive-load compensation equipment is connected with the different command of said transformer station fiber optic interface unit.
2. submarine cable compensation protection intertrip device as claimed in claim 1; It is characterized in that; Said transformer station fiber optic interface unit is provided with order one and orders two, and said order one and said order two are respectively with the coil one of said transformer station one said circuit breaker and coil two is connected or said order one and said order two are connected with the coil one and the coil two of said circuit breaker respectively; Said order one and said order two are respectively with the coil one of said transformer station two said circuit breakers and coil two is connected or said order one and said order two are connected with the coil one and the coil two of said circuit breaker respectively.
3. submarine cable compensation protection intertrip device as claimed in claim 1 is characterized in that order one outlet of said transformer station fiber optic interface unit and order two outlets of said transformer station fiber optic interface unit are in series with pressing plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002356.XA CN102570413B (en) | 2012-01-04 | 2012-01-04 | Compensatory protection and linked tripping device for submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002356.XA CN102570413B (en) | 2012-01-04 | 2012-01-04 | Compensatory protection and linked tripping device for submarine cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102570413A true CN102570413A (en) | 2012-07-11 |
| CN102570413B CN102570413B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210002356.XA Active CN102570413B (en) | 2012-01-04 | 2012-01-04 | Compensatory protection and linked tripping device for submarine cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769162A (en) * | 2017-11-22 | 2018-03-06 | 国网新疆电力有限公司电力科学研究院 | Generator protection tripgear based on 3/2 wiring condition power plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409776A (en) * | 1932-11-10 | 1934-05-10 | Automatic Electric Co Ltd | Improvements in or relating to remote control and/or supervisory systems |
| CN101232178A (en) * | 2008-02-22 | 2008-07-30 | 中国电力科学研究院 | Magnetic control type paralleling reactor field excitation branch line overvoltage protecting method and device |
| CN201293659Y (en) * | 2008-11-27 | 2009-08-19 | 山东康威通信技术有限公司 | Power cable multi-state monitoring system |
| CN201332278Y (en) * | 2009-01-20 | 2009-10-21 | 北京华电润泽环保有限公司 | Reactive compensation linkage control system for wind power station |
| CN202059172U (en) * | 2011-05-31 | 2011-11-30 | 内蒙古电力勘测设计院 | Arc suppression coil linkage adjusting system |
-
2012
- 2012-01-04 CN CN201210002356.XA patent/CN102570413B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409776A (en) * | 1932-11-10 | 1934-05-10 | Automatic Electric Co Ltd | Improvements in or relating to remote control and/or supervisory systems |
| CN101232178A (en) * | 2008-02-22 | 2008-07-30 | 中国电力科学研究院 | Magnetic control type paralleling reactor field excitation branch line overvoltage protecting method and device |
| CN201293659Y (en) * | 2008-11-27 | 2009-08-19 | 山东康威通信技术有限公司 | Power cable multi-state monitoring system |
| CN201332278Y (en) * | 2009-01-20 | 2009-10-21 | 北京华电润泽环保有限公司 | Reactive compensation linkage control system for wind power station |
| CN202059172U (en) * | 2011-05-31 | 2011-11-30 | 内蒙古电力勘测设计院 | Arc suppression coil linkage adjusting system |
Non-Patent Citations (1)
| Title |
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| 张皎等: "超高压大容量静止无功补偿器（SVC）装置研制", 《四川电力技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769162A (en) * | 2017-11-22 | 2018-03-06 | 国网新疆电力有限公司电力科学研究院 | Generator protection tripgear based on 3/2 wiring condition power plant |
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| CN102570413B (en) | 2014-11-19 |
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Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Free format text: FORMER NAME: GUANGDONG ELECTRIC POWER DESIGN INSTITUTE |
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Address after: 510000, Tian Feng Road 1, Guangzhou Science Town, Guangzhou, Guangdong, Luogang District Patentee after: Guangdong Electric Power Design Institute of CEEC Address before: 510000, Tian Feng Road 1, Guangzhou Science Town, Guangzhou, Guangdong, Luogang District Patentee before: Guangdong Electric Power Design Institute |
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Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee before: Guangdong Electric Power Design Institute of CEEC |