CN103606902B - The trip-preventing circuit that a kind of chopper is combined with relay protection - Google Patents
The trip-preventing circuit that a kind of chopper is combined with relay protection Download PDFInfo
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- CN103606902B CN103606902B CN201310573280.0A CN201310573280A CN103606902B CN 103606902 B CN103606902 B CN 103606902B CN 201310573280 A CN201310573280 A CN 201310573280A CN 103606902 B CN103606902 B CN 103606902B
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Abstract
The invention discloses the trip-preventing circuit that a kind of chopper is combined with relay protection; mainly include the combined floodgate supervision of the anti-breaker tripping and closing of chopper, separating brake unit and relay protection, tripping operation supervision, anti-jump unit; combined floodgate monitor unit unit anti-jump with chopper is connected in series, and is mainly connected in series by the normally-closed contact jumping position supervisory relay coil, chopper normally closed auxiliary contact and anti-trip relay and forms；The normally closed auxiliary contact of chopper and the normally-closed contact of anti-trip relay is sealed in combined floodgate monitor unit loop, after breaker closing, by anti-jump to combined floodgate monitor unit loop and chopper element loop separately, get rid of the interference in combined floodgate monitor unit loop, combined floodgate monitor unit and breaker closing unit form loop simultaneously, combined floodgate monitor unit can monitor closing circuit of circuit breaker, remains original function.New loop design makes chopper anti-jump and the anti-jump of relay protection realizes in a loop, concentrates the advantage of respective anti-jump mode to realize anti-bouncing function.
Description
Technical field
The present invention relates to power system trip-preventing circuit, especially relates to the trip-preventing circuit that a kind of chopper is combined with relay protection.
Background technology
Primary cut-out plays control action in high-tension circuit, is one of important electric elements in high-tension circuit.Chopper is for being switched on or switched off circuit when properly functioning, and failure condition is rapid disconnecting circuit under the effect of protective relaying device, reliably connects short circuit current under special circumstances (as time on automatic reclosing to faulty line).Primary cut-out is the dedicated electric appliance being switched on or switched off high-tension circuit under normal or failure condition, therefore, chopper whether action message, directly affect the safe operation of power system.Chopper and relay protection producer are all improving constantly self product protection accuracy of action, and anti-jump loop is just being to ensure that the important component part of its action accuracy.
At present, owing to primary cut-out and relay protection producer are numerous, model is various, and its internal structure and control loop are also varied, and the design of anti-jump loop is all the more so, and different manufacturers is had nothing in common with each other in anti-jump principle and design parameter.But contrast chopper and the anti-jump loop of relay protection; can show that one what is common is that: the anti-jump loop of chopper is to utilize switching signal to start, and realizes anti-jump self-sustaining by closing circuit, after this process terminates; regardless of chopper deciliter state, it is impossible to again close a floodgate.The anti-jump loop of relay protection is that the current relay utilizing sub-gate circuit to connect starts; its moving together contact starts voltage-type anti-trip relay; the Guan Bi self-sustaining of anti-trip relay moving together contact; closing a floodgate, the break contact keeping loop disconnects; cut off closing circuit; until closing pulse disappears, it is ensured that complete tripping operation process.Two kinds anti-jump, should not clash when being used in conjunction with theoretically, but in Practical Project is constructed, and is frequently encountered by that chopper is anti-jump anti-jump with relay protection coordinates unmatched problem.When two kinds of anti-jump appearance conflicts; simplest solution is the anti-jump of dismounting chopper; use the anti-jump of relay protection; but numerous items design now requires to use the anti-jump of chopper; if removing the anti-jump of relay protection to prevent two kinds of anti-jump clashing; not only removing difficulty big, but also likely occur that jumping position supervisory relay does not mates with chopper anti-trip relay, chopper is anti-jump still can not normally be used.Engineering construction is all brought certain puzzlement by these, how the anti-jump of chopper and anti-jump being used in combination with of relay protection not to be clashed, and is many designer's questions of common interest.
Summary of the invention
In order to solve the anti-jump of existing chopper and relay protection anti-jump be used in combination time the problem that do not clashes; the invention provides one not only two kinds of anti-jump modes can coexist, and the combination trip-preventing circuit that the advantage of two kinds of anti-jump modes can also be concentrated in together by the circuit after combination.
The present invention solves that its technical problem be the technical scheme is that
The trip-preventing circuit that a kind of chopper is combined with relay protection, including chopper trip-preventing circuit and relay protection trip-preventing circuit, described chopper trip-preventing circuit includes the anti-jump unit of chopper, combined floodgate unit and separating brake unit, described relay protection trip-preventing circuit includes the anti-jump unit of relay protection, combined floodgate monitor unit and tripping operation monitor unit, described combined floodgate monitor unit unit anti-jump with chopper is connected in series, it is characterized in that: described combined floodgate monitor unit is also connected in series with combined floodgate unit, this combined floodgate monitor unit is mainly by jumping position supervisory relay coil, second normally closed auxiliary contact of chopper and the second normally-closed contact of chopper anti-trip relay are connected in series composition.
Further; the anti-jump unit of described relay protection includes trip guard relay, relay protection anti-trip relay and combined floodgate guard relay; wherein; described combined floodgate guard relay the first normally opened contact, relay protection anti-trip relay the first normally-closed contact are connected with positive source with one end after combined floodgate guard relay coils connected in series, and the other end is connected with breaker closing unit；Relay protection anti-trip relay the second normally opened contact with tripping operation guard relay the first normally opened contact in parallel after again with relay protection anti-trip relay coils connected in series; one end, loop after series connection is connected with power cathode, and the other end is connected to the junction of combined floodgate guard relay the first normally opened contact and relay protection anti-trip relay the first normally-closed contact；Tripping operation guard relay coil is connected with positive source with one end after tripping operation guard relay the second normally opened contact series connection, and the other end is connected with breaker open operation unit.
Further, one end unit anti-jump with relay protection of the anti-jump unit of described chopper is connected, and the other end is connected with power cathode, and it includes the normally opened auxiliary contact of chopper first, resistance and the chopper anti-trip relay coil being sequentially connected in series.
Further; described combined floodgate unit includes normally opened contact and the normally-closed contact of chopper anti-trip relay being sequentially connected in series, energy storage motor the first auxiliary switch, the first normally closed auxiliary contact of chopper, energy storage motor the second auxiliary switch and the closing coil being connected in parallel on the chopper anti-trip relay at chopper first normally opened auxiliary contact two ends; one end after series connection unit anti-jump with relay protection is connected, and the other end is connected with power cathode.
The invention has the beneficial effects as follows: seal in normally closed auxiliary contact and the normally-closed contact of anti-trip relay of chopper at combined floodgate monitoring circuit, after breaker closing, by anti-jump to combined floodgate monitor unit loop and chopper element loop separately, get rid of the interference in combined floodgate monitor unit loop, combined floodgate monitor unit and breaker closing unit form loop simultaneously, combined floodgate monitor unit can monitor closing circuit of circuit breaker, remains original function.New loop design makes chopper anti-jump and the anti-jump of relay protection realizes in a loop, concentrates the advantage of respective anti-jump mode to realize anti-bouncing function.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention rather than whole embodiment, and those skilled in the art is not on the premise of paying creative work, it is also possible to other designs obtained according to these accompanying drawings and accompanying drawing:
Fig. 1 is embodiment of the present invention chopper and relay protection trip-preventing circuit schematic diagram after combined.
Detailed description of the invention
With reference to Fig. 1, the trip-preventing circuit that a kind of chopper of the present invention is combined with relay protection, including chopper trip-preventing circuit 1 and relay protection trip-preventing circuit 2, described chopper trip-preventing circuit includes the anti-jump unit of chopper, combined floodgate unit and separating brake unit, described relay protection trip-preventing circuit includes the anti-jump unit of relay protection, combined floodgate monitor unit and tripping operation monitor unit, described combined floodgate monitor unit unit anti-jump with chopper is connected in series, described combined floodgate monitor unit is also connected in series with combined floodgate unit, this combined floodgate monitor unit is mainly by jumping position supervisory relay coil TWJ, second normally closed auxiliary contact HKB2 of chopper and the second normally-closed contact K0B2 of chopper anti-trip relay is connected in series composition.The anti-jump unit of described relay protection includes trip guard relay, relay protection anti-trip relay and combined floodgate guard relay; wherein; after described combined floodgate guard relay the first normally opened contact HBJ1, relay protection anti-trip relay the first normally-closed contact TBJV1 connect with combined floodgate guard relay coil HBJ, one end is connected with positive source, and the other end is connected with breaker closing unit；Relay protection anti-trip relay the second normally opened contact TBJV2 connects with relay protection anti-trip relay coil TBJV after tripping operation guard relay the first normally opened contact TBJ1 parallel connection again; one end, loop after series connection is connected with power cathode, and the other end is connected to the junction A of combined floodgate guard relay the first normally opened contact HBJ1 and relay protection anti-trip relay the first normally-closed contact TBJV1；Tripping operation guard relay coil TBJ is connected with positive source with one end after tripping operation guard relay the second normally opened contact TBJ2 series connection, and the other end is connected with breaker open operation unit；One end unit anti-jump with relay protection of the anti-jump unit of described chopper is connected, and the other end is connected with power cathode, and it includes chopper first normally opened auxiliary contact HK1, resistance R0 and the chopper anti-trip relay coil K0 being sequentially connected in series；Described combined floodgate unit includes the normally opened contact K0C being connected in parallel on the chopper anti-trip relay at chopper first normally opened auxiliary contact HK1 two ends and the normally-closed contact K0B of chopper anti-trip relay being sequentially connected in series, energy storage motor the first auxiliary switch SP1, the first normally closed auxiliary contact HKB1 of chopper, energy storage motor the second auxiliary switch SP2 and closing coil HQ; one end after series connection unit anti-jump with relay protection is connected, and the other end is connected with power cathode.
The operation principle of this circuit is: normal operating, switch knob HA connects or has carried out closing pulse, 410 points of protective relaying device → TBJV is normally closed → the 418 points → X0:14 of HBJ coil electricity → protection device, combined floodgate guard relay coil HBJ and the closing coil HQ of chopper within relay protection form loop, owing to both are current coil, all energy action messages, combined floodgate guard relay coil HBJ passes through self normally opened contact HBJ1 self-sustaining, remain to keep loop conducting after switch knob HA contact returns, breaker closing coil HQ is made to have enough time action, make breaker closing；While breaker closing, its corresponding first normally opened auxiliary contact HK1 Guan Bi, anti-trip relay coil K0 is made to obtain electric, second normally closed auxiliary contact HKB2 disconnects, combined floodgate monitor unit and the connection of the anti-jump unit of chopper has been cut off when breaker closing, guarantee switch knob HA contact return after the chopper anti-trip relay coil K0 preparation that can reset close a floodgate next time, prevent the impact jumping the excitation that produces after breaker closing of position supervisory relay coil TWJ and chopper anti-trip relay coil K0 to on/off switch display lamp simultaneously；Chopper anti-trip relay coil K0 obtain electric after, the second normally-closed contact K0B2 of its correspondence disconnects, and has cut off combined floodgate monitor unit and the connection of the anti-jump unit of chopper further, it is ensured that the normal work of chopper and relay protection, it is achieved chopper anti-jump.When the closing pulse that its contact of the non-involution of switch knob HA is still connected or outside comes does not releases; if now circuit or equipment fault; the then BTJ point Guan Bi of protection device; 409 points → TBJ coil → the X0:30 of the LP1 → protection device of 414 points of 402 points of protection device → BTJ → protection device → in flakes; now breaking coil obtains electric, switch trip.TBJ coil obtains electrical excitation and starts; TBJ moving together contact closes; so that TBJV relay excitation starts; the dynamic of TBJV opens the closing of contact; making TBJV relay maintain, moving together contact is opened, and cuts off closing circuit; thus the breaker tripping and closing repeatedly of switch when preventing fault not get rid of, it is achieved relay protection anti-jump.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement on the premise of spirit of the present invention, and deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (3)
1. the trip-preventing circuit that a chopper is combined with relay protection, including chopper trip-preventing circuit (1) and relay protection trip-preventing circuit (2), described chopper trip-preventing circuit includes the anti-jump unit of chopper, combined floodgate unit and separating brake unit, described relay protection trip-preventing circuit includes the anti-jump unit of relay protection, combined floodgate monitor unit and tripping operation monitor unit, described combined floodgate monitor unit unit anti-jump with chopper is connected in series, described combined floodgate monitor unit is also connected in series with combined floodgate unit, this combined floodgate monitor unit is mainly by jumping position supervisory relay coil (TWJ), second normally closed auxiliary contact (HKB2) of chopper and second normally-closed contact (K0B2) of chopper anti-trip relay are connected in series composition；It is characterized in that: the anti-jump unit of described relay protection includes trip guard relay, relay protection anti-trip relay and combined floodgate guard relay; wherein; after described combined floodgate guard relay the first normally opened contact (HBJ1), relay protection anti-trip relay the first normally-closed contact (TBJV1) are connected with combined floodgate guard relay coil (HBJ), one end is connected with positive source, and the other end is connected with breaker closing unit；Relay protection anti-trip relay the second normally opened contact (TBJV2) is connected with relay protection anti-trip relay coil (TBJV) after tripping operation guard relay the first normally opened contact (TBJ1) parallel connection again; one end, loop after series connection is connected with power cathode, and the other end is connected to the junction (A) of combined floodgate guard relay the first normally opened contact (HBJ1) and relay protection anti-trip relay the first normally-closed contact (TBJV1)；Tripping operation guard relay coil (TBJ) is connected with positive source with one end after tripping operation guard relay the second normally opened contact (TBJ2) series connection, and the other end is connected with breaker open operation unit.
The trip-preventing circuit that a kind of chopper the most according to claim 1 is combined with relay protection; it is characterized in that: one end unit anti-jump with relay protection of the anti-jump unit of described chopper is connected; the other end is connected with power cathode, and it includes the normally opened auxiliary contact of chopper first (HK1), resistance (R0) and chopper anti-trip relay coil (K0) being sequentially connected in series.
The trip-preventing circuit that a kind of chopper the most according to claim 2 is combined with relay protection, it is characterized in that: described combined floodgate unit includes the normally opened contact (K0C) being connected in parallel on the chopper anti-trip relay at chopper first normally opened auxiliary contact (HK1) two ends and the normally-closed contact (K0B) of chopper anti-trip relay being sequentially connected in series, energy storage motor the first auxiliary switch (SP1), first normally closed auxiliary contact (HKB1) of chopper, energy storage motor the second auxiliary switch (SP2) and closing coil (HQ), one end after series connection unit anti-jump with relay protection is connected, the other end is connected with power cathode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573280.0A CN103606902B (en) | 2013-11-15 | 2013-11-15 | The trip-preventing circuit that a kind of chopper is combined with relay protection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310573280.0A CN103606902B (en) | 2013-11-15 | 2013-11-15 | The trip-preventing circuit that a kind of chopper is combined with relay protection |
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| CN103606902A CN103606902A (en) | 2014-02-26 |
| CN103606902B true CN103606902B (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109491295A (en) * | 2018-12-05 | 2019-03-19 | 岭澳核电有限公司 | Control system |
| CN110426625A (en) * | 2019-08-02 | 2019-11-08 | 刘韶俊 | A kind of computer operation case for substation |
Families Citing this family (8)
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| CN107026428A (en) * | 2017-04-27 | 2017-08-08 | 山东钢铁集团日照有限公司 | A kind of anti-jump method of breaker |
| CN108306255B (en) * | 2018-03-20 | 2024-01-26 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Operation type temporary protection circuit and protection method |
| CN108872840B (en) * | 2018-05-09 | 2019-11-15 | 北京交通大学 | A kind of mimic-disconnecting switch |
| CN109167264B (en) * | 2018-09-20 | 2024-03-08 | 湖北长江电气有限公司 | Jump preventing device for circuit breaker in high-voltage switch cabinet |
| 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 |
| CN111756024B (en) * | 2020-06-11 | 2023-03-03 | 深圳供电局有限公司 | Circuit breaker control circuit |
| CN112260231B (en) * | 2020-08-31 | 2023-09-12 | 深圳供电局有限公司 | Circuit breaker anti-jump loop |
| CN112039029A (en) * | 2020-09-03 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司南宁局 | Controlled anti-tripping circuit of circuit breaker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109491295A (en) * | 2018-12-05 | 2019-03-19 | 岭澳核电有限公司 | Control system |
| CN109491295B (en) * | 2018-12-05 | 2020-06-16 | 岭澳核电有限公司 | Control system |
| CN110426625A (en) * | 2019-08-02 | 2019-11-08 | 刘韶俊 | A kind of computer operation case for substation |
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| CN103606902A (en) | 2014-02-26 |
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Effective date of registration: 20200416 Address after: 528400 No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province Patentee after: Guangdong Mingyang Electric Co., Ltd Address before: 528437 Jiangling West Road, Torch Development Zone, Guangdong, No. 25, No. Patentee before: ZHONGSHAN MINGYANG ELECTRIC Co.,Ltd. |
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Address after: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee after: Guangdong Mingyang Electric Co.,Ltd. Address before: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Patentee before: Guangdong Mingyang Electric Co.,Ltd. |
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