CN209448324U - The Anti-jump Circuit of Breaker of GIS combination electric appliance - Google Patents

The Anti-jump Circuit of Breaker of GIS combination electric appliance Download PDF

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Publication number
CN209448324U
CN209448324U CN201920213164.0U CN201920213164U CN209448324U CN 209448324 U CN209448324 U CN 209448324U CN 201920213164 U CN201920213164 U CN 201920213164U CN 209448324 U CN209448324 U CN 209448324U
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China
Prior art keywords
breaker
relay
circuit
contact
remote control
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CN201920213164.0U
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方玉珍
陈兵
张星
朱巧莉
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Nanjing Iron and Steel Co Ltd
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Nanjing Iron and Steel Co Ltd
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Abstract

The utility model discloses the Anti-jump Circuit of Breaker of GIS combination electric appliance, including DC power supply, circuit breaker trip monitoring circuit, three-phase combined floodgate connection circuit, circuit breaker trip coil and breaker closing monitoring circuit, the three-phase combined floodgate connection circuit includes three-phase anti-jump loop, three-phase closing circuit and non-three phase circuit, every phase anti-jump loop includes remote control anti-jump loop, nearly control anti-jump loop and far control/closely control change-over switch, remote control/nearly control change-over switch enables remote control anti-jump loop and disconnects nearly control anti-jump loop when switching to remote control, when switching to nearly control, it enables nearly control anti-jump loop and disconnects remote control anti-jump loop.The utility model at far control position, work by remote control anti-jump loop conducting, and at closely control position, nearly control anti-jump loop conducting is worked, no matter controlling in remote control or closely position, Anti-jump Circuit of Breaker can reliably work.

Description

The Anti-jump Circuit of Breaker of GIS combination electric appliance
Technical field
The utility model relates to electric system anti-jump loop more particularly to the Anti-jump Circuit of Breaker of GIS combination electric appliance.
Background technique
Breaker is primary equipment important in electric system, and the design of anti-jump loop is even more diversification, 220kVGIS The anti-jump loop of combined electrical apparatus, breaker control loop itself have anti-jump loop, the control of 220kV microcomputer complex protection device control box Also there is an anti-jump loop in circuit, there are two anti-jump loop in a breaker operator control system, between can collide, can cause micro- Machine complex protection device control box closing position lamp and trip position lamp are bright simultaneously, i.e. breaker closing monitoring circuit and circuit breaker trip Monitoring circuit simultaneously turns on, and breaker not can correctly reflect location status phenomenon, makes substation operation personnel that can not identify open circuit The correct position of device switching on and off not can guarantee correctness, the reliability of secondary loop in power system, seriously affect safe life It produces.The anti-jump loop for being typically chosen the perfect performance of high reliablity at this time uses, another anti-jump loop is directly cancelled.Because of electric power System service requirement is safe and reliable, and still, the component devices element of electric system is more, and mechanism is different, and operating condition is complicated.By Electricity is combined in GIS (gas-insulated metal-enclosed swith gear Cubicle Gas-Insulated Switchgear) Defect existing for the secondary circuit of device equipment, if only selecting the anti-trip relay of distant place microcomputer complex protection device operating system;By group When conjunction electric appliance " remote control/nearly control " change-over switch is switched to closely control position, the anti-jump loop in a distant place will be switched off, breaker closely controls behaviour at this time When making He Zhong Library point, the anti-trip relay in a distant place is failure to actuate, and does not have anti creep performance, expands accident range, it is possible to make It influences to produce at large-area power-cuts, it is unfavorable to power network safety operation.
Therefore, the urgent need to resolve above problem.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide a kind of Anti-jump Circuit of Breaker of GIS combination electric appliance, no It can reliably work, solve simultaneously in remote control or in closely control position, Anti-jump Circuit of Breaker by " remote control/nearly control " change-over switch Certainly breaker closing monitoring circuit and circuit breaker trip monitoring circuit simultaneously turn on problem.
Technical solution: in order to achieve the above object, the utility model discloses a kind of anti-rebounds of the breaker of GIS combination electric appliance Road, including DC power supply, circuit breaker trip monitoring circuit, three-phase combined floodgate connection circuit, circuit breaker trip coil and breaker close Lock monitoring circuit, the three-phase combined floodgate connection circuit include three-phase anti-jump loop, three-phase closing circuit and non-three phase circuit, every phase Anti-jump loop includes remote control anti-jump loop, nearly control anti-jump loop and remote control/closely control change-over switch, and remote control/closely control change-over switch 9-10 contact, 11-12 contact and 15-16 contact respectively correspond and be connected between remote control anti-jump loop and nearly control anti-jump loop; Remote control anti-jump loop includes combined floodgate guard relay, anti-trip relay current start contact, anti-trip relay voltage is kept and electricity Resistance, nearly anti-jump loop of controlling includes remote control/closely control relay, breaker auxiliary contact and breaker body anti-trip relay, wherein Remote control/nearly control change-over switch 27-28 auxiliary is in series between breaker body anti-trip relay and DC power cathode to connect Point, 9-10 contact, 11-12 contact and 15-16 junction closure, 27-28 auxiliary when remote control/nearly control change-over switch switches to remote control Contact disconnects, and enables remote control anti-jump loop and disconnects nearly control anti-jump loop, 9-10 contact when switching to nearly control, 11-12 contact and 15-16 contact disconnects, 27-28 auxiliary contact closure, enables nearly control anti-jump loop and disconnects remote control anti-jump loop, far control anti-jump loop Are as follows: the normal opened contact of the positive pole, combined floodgate guard relay that are sequentially connected in series, anti-trip relay current start normal opened contact, Anti-trip relay voltage keeps, resistance and power cathode, closely control anti-jump loop are as follows: the positive pole that is sequentially connected in series, remote control/nearly control Relay normally open contact, breaker auxiliary contact, breaker body anti-trip relay, remote control/nearly control change-over switch 27-28 auxiliary Contact and power cathode.
Wherein, the three-phase closing circuit includes the first circuit breaker gas pressure switch, hand conjunction relay and breaker Closing coil, closing circuit when remote control/nearly control change-over switch switches to remote control are as follows: the positive pole that is sequentially connected in series, the first open circuit Device gas pressure relay, hand close relay, the normally closed contact that anti-trip relay voltage is kept, combined floodgate guard relay, remote control/ Nearly control change-over switch, the normally closed auxiliary contact of breaker body anti-trip relay, breaker auxiliary contact, breaker closing coil and Power cathode.
Preferably, the circuit breaker trip monitoring circuit includes jumping position relay and first end subgroup, the circuit breaker trip Monitoring circuit is divided into two branches: first branch circuit breaker trip monitoring circuit are as follows: the positive pole that is sequentially connected in series jumps position relay Device, first end subgroup, remote control/closely control change-over switch, breaker body anti-trip relay, breaker auxiliary contact, closing coil, Breaker oil pressure shut-off switch locking closing relay, circuit breaker gas blocking by low pressure relay and power cathode, i.e. breaker are just Tripping monitoring circuit after normal separating brake;Second branch circuit breaker trip monitoring circuit are as follows: the positive pole that is sequentially connected in series, jump position after Electric appliance, first end subgroup, remote control/closely control change-over switch, breaker auxiliary contact, breaker body anti-trip relay, remote control/close Control change-over switch 27-28 auxiliary contact and power cathode;I.e. breaker closing is made up of behind fault point anti-trip relay Trip monitoring circuit.
Furthermore the circuit breaker trip coil includes the second circuit breaker gas pressure switch being sequentially connected in series and unites Jump the trip protection of relay, anti-trip relay current start, remote control/nearly control change-over switch 5-6 contact, 21-22 contact and 25-26 contact, breaker auxiliary contact, circuit breaker trip coil, breaker oil pressure shut-off switch locking closing relay and breaker The low locking relay of gas pressure, wherein 5-6 contact, 21-22 contact and 25- when remote control/nearly control change-over switch switches to remote control 26 junction closures, 5-6 contact, 21-22 contact and 25-26 contact disconnect when switching to nearly control.
Further, the breaker closing monitoring circuit includes coincidence relay and second end subgroup, breaker closing prison Depending on circuit are as follows: the positive pole that is sequentially connected in series, coincidence relay, second end subgroup, remote control/nearly control change-over switch 5-6 contact, 21-22 contact and 25-26 contact, breaker auxiliary contact, circuit breaker trip coil, breaker oil pressure shut-off switch are latched combined floodgate relay Device, circuit breaker gas blocking by low pressure relay and and power cathode.
Preferably, the non-three phase circuit includes the non-three phase time relay, the cathode of the non-three phase time relay with On power cathode.
The utility model has the advantages that compared with prior art, the utility model has the advantage that the utility model GIS combination electric appliance Anti-jump Circuit of Breaker after improving, it is remote to control anti-jump loop conducting when " remote control/close control " change-over switch is at far control position It works, when " remote control/closely control " change-over switch is at closely control position, nearly control anti-jump loop conducting is worked, no matter that is, " remote control/ Nearly control " change-over switch can reliably work in remote control or in closely control position, Anti-jump Circuit of Breaker;It is solved simultaneously when open circuit Device " will far control/closely control " again after closing a floodgate, and change-over switch is switched to remote time switch combined floodgate monitoring circuit and circuit breaker trip monitors back Road simultaneously turns on, wherein control box closing position lamp with trip position lamp lights simultaneously, breaker not can correctly reflect position shape State phenomenon, has ensured electric system two at the problems such as making substation operation personnel that can not identify the correct position of breaker switching on and off The correctness and reliability of minor loop, perfect Anti-jump Circuit of Breaker improve power supply system safe and stable operation coefficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The technical solution of the utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, the Anti-jump Circuit of Breaker of the utility model GIS combination electric appliance, including DC power supply, breaker are jumped Lock monitoring circuit, three-phase combined floodgate connection circuit, circuit breaker trip coil and breaker closing monitoring circuit, the three-phase combined floodgate connect Line loop includes three-phase anti-jump loop, three-phase closing circuit and non-three phase circuit.
Electrical component in the Anti-jump Circuit of Breaker of GIS combination electric appliance include power supply+, power supply-, positive pole PG, electricity It is source cathode NG, combined floodgate guard relay HBJ (a, b, c three-phase), anti-trip relay current start TBJI (a, b, c three-phase), anti-jump Relay voltage keeps TBJV (a, b, c three-phase), resistance R (a, b, c three-phase), hand conjunction relay SHJ, remote control/nearly control to convert and open Close 43RL, remote control/nearly control relay 52CX, breaker body anti-trip relay 52Y (a, b, c three-phase), breaker auxiliary contact GCB (a, b, c three-phase), breaker closing coil 52CC (a, b, c three-phase), breaker oil pressure shut-off switch are latched closing relay 63QF2X, circuit breaker gas blocking by low pressure relay 63QE1X, the first circuit breaker gas pressure switch 1YJJ, non-three phase Time relay 47T, jump position relay TWJ, coincidence relay HWJ, the second circuit breaker gas pressure switch 2YJJ, hand jump after Electric appliance STJ, trip protection BT1 and circuit breaker trip coil 1TQ52TC further include first end subgroup 12D:54~12D:59, the Two-terminal group 12D:60~12D:65.
As shown in Figure 1, every phase anti-jump loop includes that remote control anti-jump loop, nearly control anti-jump loop and remote control/nearly control conversion are opened 43RL is closed, and remote control/nearly control change-over switch 43RL 9-10 contact, 11-12 contact and 15-16 contact are respectively corresponded and be connected on Between remote control anti-jump loop and nearly control anti-jump loop.Wherein power supply+, combined floodgate guard relay HBJ (a, b, c three-phase), remote control it is anti- It jumps back to road, remote control/nearly control change-over switch 43RL 9-10 contact, 11-12 contact and 15-16 contact, closely control anti-jump loop, open circuit Device auxiliary contact GCB (a, b, c three-phase), breaker closing coil 52CC (a, b, c three-phase), the locking of breaker oil pressure shut-off switch are closed a floodgate Relay 63QF2X, circuit breaker gas blocking by low pressure relay 63QE1X and power cathode NG are sequentially connected in series, and far control anti-rebound The cathode on road accesses power supply-all the way, and the nearly anode for controlling anti-jump loop accesses remote control/nearly control relay 52CX and positive pole all the way PG, the nearly cathode for controlling anti-jump loop are directly accessed power cathode NG all the way.
Remote control anti-jump loop includes combined floodgate guard relay HBJ, anti-trip relay current start TBJI contact, anti-jump relay Device voltage keeps TBJV and resistance R, wherein anti-trip relay current start TBJI contact, anti-trip relay current start TBJII After contact, anti-trip relay voltage keep TBJV contact three in parallel, it is sequentially connected in series anti-trip relay voltage and keeps TBJV and electricity Resistance R forms a branch of remote control anti-jump loop;Anti-trip relay voltage keeps TBJV1 contact, anti-trip relay voltage to keep After TBJV2 contact is in parallel, then the guard relay HBJ that closes a floodgate of connecting forms the two branches locking breaker of remote control anti-jump loop and closes Lock;Two branch circuit parallel connections of one branch of remote control anti-jump loop and remote control anti-jump loop form remote control anti-jump loop.
Nearly control anti-jump loop includes breaker auxiliary contact GCB and breaker body anti-trip relay 52Y, wherein in open circuit Remote control/nearly control change-over switch 43RL 27-28 auxiliary is in series between device ontology anti-trip relay 52Y and DC power cathode Remote control/closely control change-over switch is accessed after contact, breaker auxiliary contact GCB and breaker body anti-trip relay 52Y series connection The 27-28 auxiliary contact of 43RL, is finally directly accessed power cathode NG;The contact of breaker body anti-trip relay 52Y is direct With breaker auxiliary contact GCB (a, b, c three-phase), breaker closing coil 52CC (a, b, c three-phase), breaker oil pressure shut-off switch Locking closing relay 63QF2X, circuit breaker gas blocking by low pressure relay 63QE1X and power cathode NG are sequentially connected in series.Far 9-10 contact, 11-12 contact and 15-16 junction closure, 27-28 auxiliary connect when control/nearly control change-over switch 43RL switches to remote control Point disconnects, and enables remote control anti-jump loop and disconnects nearly control anti-jump loop, 9-10 contact, 11-12 contact and 15-16 when switching to nearly control Contact disconnects, 27-28 auxiliary contact closure, enables nearly control anti-jump loop and disconnects remote control anti-jump loop.
The first circuit breaker gas pressure switch 1YJJ is closed with hand and is accessed remote control after relay SHJ connects in the utility model The anode and power supply of anti-jump loop+.After breaker auxiliary contact GCB (a, b, c three-phase) connects with non-three phase time relay 47T Access positive pole PG and power cathode NG.Jump position relay TWJ access power supply+, pass through first end subgroup 12D:54~12D: The cathode of 59 access closing circuits, i.e., far control the cathode in the circuit combined floodgate guard relay HBJ of anti-jump loop.
The second circuit breaker gas pressure switch 2YJJ for being sequentially connected in series in the utility model simultaneously jointly jumps relay STJ Trip protection BT1, anti-trip relay current start TBJI (a, b, c three-phase), remote control/nearly control change-over switch 43RL 5-6 connect Point, 21-22 contact and 25-26 contact, breaker auxiliary contact GCB, circuit breaker trip coil 1TQ52TC, breaker oil pressure are opened Close lock closing relay 63QF2X and circuit breaker gas blocking by low pressure relay 63QE1X, both ends be respectively connected to power supply+and Power cathode NG.5-6 contact, 21-22 contact and 25-26 contact when wherein remote control/nearly control change-over switch 43RL switches to remote control Closure, 5-6 contact, 21-22 contact and 25-26 contact disconnect when switching to nearly control.Coincidence relay HWJ connects in the utility model Enter power supply+, pass through the cathode that second end subgroup 12D:60~12D:65 accesses trip(ping) circuit, i.e. anti-trip relay current start The cathode in TBJI (a, b, c three-phase) circuit.
9-10,11-12 and 15-16 tri- when GIS breaker " remote control " operation, in remote control/nearly control change-over switch 43RL Group junction closure, remote control/nearly control change-over switch 43RL 27-28 auxiliary contact disconnect nearly control anti-jump loop, and enabling is far controlled anti-jump Circuit, i.e., closing circuit when remote control/nearly control change-over switch 43RL switches to remote control are as follows: the positive pole that is sequentially connected in series, first disconnected Road device gas pressure relay 1YJJ, hand close relay SHJ, anti-trip relay voltage keeps the normally closed contact of TBJV, close a floodgate and protect Hold relay HBJ, remote control/nearly control change-over switch 43RL, the normally closed auxiliary contact of breaker body anti-trip relay 52Y, breaker Auxiliary contact GCB, breaker closing coil 52CC, breaker oil pressure shut-off switch are latched closing relay 63QF2X, circuit breaker gas Blocking by low pressure relay 63QE1X and power cathode.First branch circuit breaker trip monitoring circuit are as follows: the power supply being sequentially connected in series Anode jumps position relay TWJ, first end subgroup 12D:54~12D:59, remote control/nearly control change-over switch 43RL, breaker body Anti-trip relay 52Y, breaker auxiliary contact GCB, closing coil 52CC, breaker oil pressure shut-off switch are latched closing relay 63QF2X, circuit breaker gas blocking by low pressure relay 63QE1X and power cathode NG, i.e. tripping after the normal separating brake of breaker Monitoring circuit;If breaker closing anti-trip relay current element when fault point starts, voltage component is kept, and far controls anti-rebound Road are as follows: the normal opened contact of the positive pole, combined floodgate guard relay HBJ that are sequentially connected in series, anti-trip relay current start TBJI Normal opened contact, anti-trip relay voltage keep TBJV, resistance R and power cathode.
When GIS breaker " nearly control " operation, tri- groups of contacts of 9-10,11-12 and 15-16 in change-over switch 43RL are disconnected, Remote control anti-jump loop is disconnected, the 27-28 auxiliary contact closure of change-over switch 43RL then enables nearly control anti-jump loop;If breaker When He Zhong Library point, i.e., closely control anti-jump loop are as follows: positive pole PG, the remote control/nearly control relay 52CX being sequentially connected in series are normally opened Contact, breaker auxiliary contact GCB, breaker body anti-trip relay 52Y, remote control/nearly control change-over switch 43RL27-28 are auxiliary Adjuvant grafting point and power cathode NG;Circuit breaker trip monitoring circuit are as follows: positive pole, jump the position relay TWJ, first being sequentially connected in series Terminal group 12D:54~12D:59, remote control/nearly control change-over switch 43RL, breaker auxiliary contact GCB, breaker body it is anti-jump after Electric appliance 52Y, remote control/nearly control change-over switch 43RL27-28 auxiliary contact and power cathode NG;I.e. breaker closing is behind fault point It will be will disconnect by the tripping monitoring circuit that anti-trip relay is constituted.Breaker closing monitoring circuit are as follows: the power supply being sequentially connected in series Anode, coincidence relay HWJ, second end subgroup 12D:60~12D:65, remote control/nearly control change-over switch 43RL 5-6 contact, 21-22 contact and 25-26 contact, breaker auxiliary contact GCB, circuit breaker trip coil 1TQ52TC, breaker oil pressure shut-off switch close Lock closing relay 63QF2X, circuit breaker gas blocking by low pressure relay 63QE1X and with power cathode NG.
After breaker closing again will remote control/nearly control change-over switch 43RL when being switched to remote control, remote control/closely control change-over switch Nearly control anti-jump loop, but also cutting circuit breaker trip monitoring circuit, TWJ monitoring circuit had not only been cut off in the disconnection of 43RL27-28 auxiliary contact Green light is not being lighted, and breaker closing monitoring circuit is connected at this time, and protection screen control box closing position lamp is lighted.So just solve " remote control/nearly control " change-over switch is switched to remote time switch combined floodgate monitoring circuit and circuit breaker trip again after breaker closing Monitoring circuit simultaneously turns on and protection screen control box closing position lamp and trip position lamp bright problem simultaneously, therefore can protect When demonstrate,proving GIS breaker " remote control " with " nearly control " operation, the position of breaker can be corresponded, breaker operation cabinet it is red, green Lamp can indicate normal.No matter " remote control/nearly control " change-over switch can reliably rise in remote control or in closely control state, anti-jump loop Effect, is truly realized the perfect of anti-bouncing function, improves the safety in operation and reliability of power supply system.

Claims (6)

  1. The Anti-jump Circuit of Breaker of 1.GIS combined electrical apparatus, it is characterised in that: including DC power supply, circuit breaker trip monitoring circuit, Three-phase combined floodgate connection circuit, circuit breaker trip coil and breaker closing monitoring circuit, the three-phase combined floodgate connection circuit include Three-phase anti-jump loop, three-phase closing circuit and non-three phase circuit, every phase anti-jump loop include remote control anti-jump loop, closely control anti-rebound Road and remote control/closely control change-over switch (43RL), the 9-10 contact of and remote control/closely control change-over switch (43RL), 11-12 contact and 15-16 contact, which respectively corresponds, to be connected between remote control anti-jump loop and nearly control anti-jump loop;Remote control anti-jump loop includes closing a floodgate to protect It holds relay (HBJ), anti-trip relay current start (TBJI) contact, anti-trip relay voltage and keeps (TBJV) and resistance (R), Nearly control anti-jump loop includes remote control/closely control relay (52CX), breaker auxiliary contact (GCB) and the anti-jump relay of breaker body Device (52Y), wherein being in series with remote control/nearly control conversion between breaker body anti-trip relay (52Y) and DC power cathode The 27-28 auxiliary contact of (43RL) is switched, far controls/closely controls 9-10 contact, 11-12 when change-over switch (43RL) switches to remote control and connect Point and 15-16 junction closure, 27-28 auxiliary contact disconnect, and enable remote control anti-jump loop and disconnect nearly control anti-jump loop, switch to close 9-10 contact, 11-12 contact and 15-16 contact disconnect when control, 27-28 auxiliary contact closure, enable nearly control anti-jump loop and disconnect Remote control anti-jump loop, far control anti-jump loop are as follows: the normal opened contact of the positive pole, combined floodgate guard relay (HBJ) that are sequentially connected in series, Normal opened contact, the anti-trip relay voltage of anti-trip relay current start (TBJI) keep (TBJV), resistance (R) and power supply negative Pole, closely control anti-jump loop are as follows: the positive pole (PG) that is sequentially connected in series, remote control/closely control relay (52CX) normal opened contact, breaker Auxiliary contact (GCB), breaker body anti-trip relay (52Y), remote control/closely control change-over switch (43RL) 27-28 auxiliary contact With power cathode (NG).
  2. 2. the Anti-jump Circuit of Breaker of GIS combination electric appliance according to claim 1, it is characterised in that: the three-phase closes a floodgate Relay (SHJ) and breaker closing coil (52CC) are closed including the first circuit breaker gas pressure switch (1YJJ), hand in circuit, Remote control/closely control closing circuit when change-over switch (43RL) switches to remote control are as follows: positive pole, the first breaker gas being sequentially connected in series Body pressure switch (1YJJ), hand close relay (SHJ), anti-trip relay voltage keeps the normally closed contact of (TBJV), close a floodgate and protect Hold relay (HBJ), remote control/closely control change-over switch (43RL), the normally closed auxiliary contact of breaker body anti-trip relay (52Y), Breaker auxiliary contact (GCB), breaker closing coil (52CC) and power cathode.
  3. 3. the Anti-jump Circuit of Breaker of GIS combination electric appliance according to claim 2, it is characterised in that: the breaker is jumped Lock monitoring circuit includes that jump position relay (TWJ) and first end subgroup (12D:54~12D:59), the circuit breaker trip monitor back Road is divided into two branches: first branch circuit breaker trip monitoring circuit are as follows: positive pole, the jump position relay being sequentially connected in series (TWJ), first end subgroup (12D:54~12D:59), remote control/closely control change-over switch (43RL), breaker body anti-trip relay (52Y), breaker auxiliary contact (GCB), closing coil (52CC), breaker oil pressure shut-off switch are latched closing relay (63QF2X), circuit breaker gas blocking by low pressure relay (63QE1X) and power cathode (NG), i.e., after the normal separating brake of breaker Tripping monitoring circuit;Second branch circuit breaker trip monitoring circuit are as follows: positive pole, the jump position relay being sequentially connected in series (TWJ), first end subgroup (12D:54~12D:59), remote control/closely control change-over switch (43RL), breaker auxiliary contact (GCB), Breaker body anti-trip relay (52Y), remote control/closely control change-over switch (43RL) 27-28 auxiliary contact and power cathode (NG); I.e. breaker closing passes through the tripping monitoring circuit of anti-trip relay composition behind fault point.
  4. 4. the Anti-jump Circuit of Breaker of GIS combination electric appliance according to claim 2, it is characterised in that: the breaker is jumped Brake cable circle includes the second circuit breaker gas pressure switch (2YJJ) being sequentially connected in series and jointly jumps the protection of relay (STJ) It trips (BT1), anti-trip relay current start (TBJI), remote control/closely control change-over switch (43RL) 5-6 contact, 21-22 contact With 25-26 contact, breaker auxiliary contact (GCB), circuit breaker trip coil (1TQ52TC), breaker oil pressure shut-off switch closed bite Lock relay (63QF2X) and circuit breaker gas blocking by low pressure relay (63QE1X), wherein remote control/closely control change-over switch 5-6 contact, 21-22 contact and 25-26 junction closure when (43RL) switches to remote control, 5-6 contact, 21-22 when switching to nearly control Contact and 25-26 contact disconnect.
  5. 5. the Anti-jump Circuit of Breaker of GIS combination electric appliance according to claim 4, it is characterised in that: the breaker closes Lock monitoring circuit includes coincidence relay (HWJ) and second end subgroup (12D:60~12D:65), breaker closing monitoring circuit Are as follows: positive pole, the coincidence relay (HWJ), second end subgroup (12D:60~12D:65), remote control/nearly control turn being sequentially connected in series Change 5-6 contact, 21-22 contact and 25-26 contact, the breaker auxiliary contact (GCB), circuit breaker trip coil of switch (43RL) (1TQ52TC), breaker oil pressure shut-off switch are latched closing relay (63QF2X), circuit breaker gas blocking by low pressure relay (63QE1X) and power cathode (NG).
  6. 6. the Anti-jump Circuit of Breaker of GIS combination electric appliance according to claim 1, it is characterised in that: the non-three phase returns Road includes the non-three phase time relay (47T), on the cathode and power cathode (NG) of the non-three phase time relay (47T).
CN201920213164.0U 2019-02-19 2019-02-19 The Anti-jump Circuit of Breaker of GIS combination electric appliance Active CN209448324U (en)

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CN201920213164.0U CN209448324U (en) 2019-02-19 2019-02-19 The Anti-jump Circuit of Breaker of GIS combination electric appliance

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CN209448324U true CN209448324U (en) 2019-09-27

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