CN106849363B - The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely - Google Patents
The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely Download PDFInfo
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- CN106849363B CN106849363B CN201710163699.7A CN201710163699A CN106849363B CN 106849363 B CN106849363 B CN 106849363B CN 201710163699 A CN201710163699 A CN 201710163699A CN 106849363 B CN106849363 B CN 106849363B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
Abstract
The present invention is the three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely, solves the problem of that traditional three-phase mechanical linkage circuit breaker control box can not judge that the source of trip signal makes troubles to the trouble shooting of operation maintenance personnel.Electric current guard relay, electric current relay, KKJ relay, diode, it is connect with following device contact: the normal combined floodgate contact LCUHJ of LCU screen, the normal separating brake contact LCUTJ of LCU screen, water dispenser protection screen tripping contact TJ1-1 of first via breaking coil, generator & transformer action A set tripping contact TJ1-2, non-ionizing energy loss screen tripping contact TJ1-3, protect A set tripping contact TJ1-4 in the high-pressure side area T, safety stabilization control system A set tripping contact TJ1-5, water dispenser protection screen tripping contact TJ2-1 of second road breaking coil, generator & transformer action B set tripping contact TJ2-2, non-ionizing energy loss screen tripping contact TJ2-3, protect B set tripping contact TJ2-4 in the high-pressure side area T, safety stabilization control system B set tripping connects Point TJ2-5 is connect as follows with circuit breaker actuating mechanism: the breaker coincidence contact HWJ of breaker monitoring, breaker quartile contact TWJ, first via control power supply normal contact KZ1DC, the second tunnel control power supply normal contact KZ2DC.
Description
Technical field:
The invention belongs to technical field of relay protection, join in particular to a kind of three-phase mechanical that trip signal is shown entirely
Dynamic breaker operation cabinet.
Background technique:
Breaker operation cabinet is protective relaying device, safety and stability control device, monitors the bridge that LCU and primary equipment contact
Beam, i.e. automatic device of the realization secondary device to control of high-voltage circuit breaker.Breaker operation cabinet can be to combined floodgate contact and tripping
Contact carries out self-sustaining, monitors to closing circuit, first via trip(ping) circuit, the second tunnel trip(ping) circuit, divides breaker
Splice grafting point and control electric power incoming line monitoring.
In traditional three-phase mechanical linkage circuit breaker control box control loop, only contain electric current latch-in relay.It is deposited
Deficiency: the first via trip(ping) circuit of the first via tripping contact of control box in parallel access breaker in terminal block, operation
The second tunnel tripping contact second tunnel trip(ping) circuit in parallel for accessing breaker in terminal block of case, can not judge from control box
The source of tripping contact is only capable of the source enabled by the action connection point judgement tripping of corresponding automation equipment, works as automation equipment
When because of failure attonity contact, it will make troubles the trouble shooting of operation maintenance personnel；Control box returns the combined floodgate of breaker
Without function for monitoring, the monitoring in circuit-breaker switching on-off circuit only relies upon open circuit for road, first via trip(ping) circuit, the second tunnel trip(ping) circuit
Device control loop itself；Breaker operation cabinet panel does not show the two-way control power supply of circuit-breaker switching on-off position, breaker, this
It makes troubles the test in maintenance.
Summary of the invention:
The object of the present invention is to provide one kind when protective relaying device, safety and stability control device, monitoring LCU pass through operation
When case jumps breaker, specific tripping contact source can be reacted in control box panel, while can monitor and close a floodgate back in control box
Road, first via trip(ping) circuit and the second tunnel trip(ping) circuit correctness, meet the daily tour of operating maintenance personnel and test when pair
The three-phase mechanical linkage circuit breaker control box that the tripping contact of the requirement of circuit-breaker status observation is shown entirely.
The technical solution adopted by the present invention is that:
The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely, including the first-four electric current guard relays,
The first-ten two electric current relays, the first-ten two KKJ relays, the first-ten nine diodes, involution contact button F A, electric current
Guard relay, electric current relay, KKJ relay, diode are connect with following device contact: LCU screen normally closes a floodgate contact
The tripping of water dispenser protection screen contact TJ1-1, generator of the normal separating brake contact LCUTJ of LCUHJ, LCU screen, first via breaking coil
Tranformer protection A set tripping contact TJ1-2, non-ionizing energy loss screen tripping contact TJ1-3, the high-pressure side area T protection A set tripping connect
Point TJ1-4, safety stabilization control system A cover the water dispenser protection screen tripping contact of tripping contact TJ1-5, the second road breaking coil
TJ2-1, generator & transformer action B set tripping contact TJ2-2, the tripping of non-ionizing energy loss screen contact TJ2-3, the high-pressure side area T
B set tripping contact TJ2-4, safety stabilization control system B set tripping contact TJ2-5 are protected, are carried out with circuit breaker actuating mechanism
Following connection: breaker coincidence contact HWJ, breaker quartile contact TWJ, the first via control power supply of breaker monitoring normally connect
Point KZ1DC, the second tunnel control power supply normal contact KZ2DC, from executing a case LCU screen distant place normally combined floodgate contact LCUHJ and the
One electric current relay SHJ connects and passes through the first electric current guard relay 1BJ tripping, and the first the normally opened of electric current relay SHJ connects
Point seals in the actuation coil of the first KKJ relay SHXJ, and normal opened contact seals in first diode SHX show circuit；From LCU
The distant place separating brake contact LCUTJ of screen connects with the second electric current relay STJ and passes through the second electric current guard relay 2BJ and trips,
The normal opened contact of second electric current relay STJ seals in the actuation coil of the 2nd KKJ relay STXJ, and normal opened contact seals in second
Diode STX show circuit；First via tripping contact TJ1-1 and third electric current relay 1TJ1 from water dispenser protection screen are gone here and there
Join and pass through third electric current guard relay 3BJ tripping, the normal opened contact of third electric current relay 1TJ1 seals in the 3rd KKJ relay
The actuation coil of device 1TXJ1, normal opened contact seal in third diode 1TX1 show circuit；From generator & transformer action A
Set tripping contact TJ1-2 connect with the 4th electric current relay 1TJ2 and pass through third electric current guard relay 3BJ and trip, and the 4th
The normal opened contact of electric current relay 1TJ2 electric current relay seals in the actuation coil of the 4th KKJ relay 1TXJ2, normal opened contact
Seal in the 4th diode 1TX2 show circuit；First via tripping contact TJ1-3 and the 5th electric current relay from non-ionizing energy loss
Device 1TJ3 connects and passes through third electric current guard relay 3BJ tripping, and the normal opened contact of the 5th electric current relay 1TJ3 seals in the
The actuation coil of five KKJ relay 1TXJ3, normal opened contact seal in the 5th diode 1TX3 show circuit；From the high-pressure side area T
It connects with the 6th 4 electric current relay 1TJ4 and passes through third electric current guard relay 3BJ jump in protection A set tripping contact TJ1-4
Lock, the normal opened contact of the 6th electric current relay 1TJ4 seal in the actuation coil of the 6th KKJ relay 1TXJ4, normal opened contact string
Enter the 6th diode 1TX4 show circuit；Tripping contact TJ1-5 and the 7th electric current relay are covered from safety stabilization control system A
Device 1TJ5 connects and passes through third electric current guard relay 3BJ tripping, and the normal opened contact of the 7th electric current relay 1TJ5 seals in the
The actuation coil of seven KKJ relay 1TXJ5, normal opened contact seal in the 7th diode 1TX5 show circuit；It is protected from water dispenser
The second tunnel tripping contact TJ2-1 connect with the 8th electric current relay 2TJ1 and pass through the 4th electric current guard relay 4BJ jump
Lock, the normal opened contact of the 8th electric current relay 2TJ1 seal in the actuation coil of the 8th KKJ relay 2TXJ1, normal opened contact string
Enter the 8th diode 2TX1 show circuit；Tripping contact TJ2-2 and the 9th electric current relay are covered from generator & transformer action B
Device 2TJ2 connects and passes through the 4th electric current guard relay 4BJ tripping, and the normal opened contact of the 9th electric current relay 2TJ2 seals in the
The actuation coil of nine KKJ relay 2TXJ2, normal opened contact seal in the 9th diode 2TX2 show circuit；It is protected from non electrical quantity
It connects with the tenth electric current relay 2TJ3 and passes through the 4th electric current guard relay 4BJ jump in the second tunnel tripping contact TJ2-3 of shield
Lock, the 2TJ3 normal opened contact of the tenth electric current relay seal in the actuation coil of the tenth KKJ relay 2TXJ3, normal opened contact string
Enter the tenth diode 2TX3 show circuit；From the high-pressure side area T protection B set tripping contact TJ2-4 and the 11st electric current relay
2TJ4 connects and passes through the 4th electric current guard relay 4BJ tripping, and the normal opened contact of the 11st electric current relay 2TJ4 seals in the
The actuation coil of 11 KKJ relay 2TXJ4, normal opened contact seal in the 11st diode 2TX4 show circuit；From safety
Stabilizing control system B set tripping contact TJ2-5, which connect with the 12nd electric current relay 2TJ5 and pass through the 4th electric current, keeps relay
Device 4BJ tripping, the normal opened contact of the 12nd electric current relay 2TJ5 seal in the actuation coil of the 12nd KKJ relay 2TXJ5,
Normal opened contact seals in the 12nd diode 2TX5 show circuit；Involution contact button F A accesses the involution line of all KKJ relays
Circle；Breaker coincidence contact HWJ connects with the 13rd diode HW, breaker quartile contact TWJ and the 14th diode TW string
Connection, first group of control power supply normal contact KZ1DC connect with the 15th diode 1DC, second group of control power supply normal contact
KZ2DC connects with the 16th diode 2DC, and closing circuit monitors that the 17th diode HJ is in series with a resistor and protects with the first electric current
The self-sustaining normal opened contact for holding relay 1BJ is in parallel；The 18th diode 1TJ of first via trip circuit monitoring is in series with a resistor simultaneously
It is in parallel with the self-sustaining normal opened contact of third electric current guard relay 3BJ；The 19th diode 2TJ of second road trip circuit monitoring
It is in series with a resistor and in parallel with the self-sustaining normal opened contact of the 4th electric current guard relay 4BJ.
The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely, the first-ten nine diodes are located at control box face
On plate, LCU asynchronous switch-on signal, the normal sub-gate signal of LCU, the water dispenser protection screen signal of the first breaking coil, hair are respectively indicated
Motor tranformer protection A covers signal, non-ionizing energy loss screen signal, the high-pressure side area T protection A and covers signal, safety stabilization control system A
Cover signal, the water dispenser protection screen signal of the second breaking coil, generator & transformer action B set signal, non-ionizing energy loss screen signal,
Protect B set signal, safety stabilization control system B set signal, the breaker coincidence signal of breaker monitoring, open circuit in the high-pressure side area T
Device quartile signal, first via control power good signal, the second tunnel control power good signal, closing circuit monitoring signal, the
One trip circuit monitoring signal, the second trip circuit monitoring signal with or without state.
Advantages of the present invention: when protective relaying device, safety and stability control device, monitoring LCU jump open circuit by control box
When device, specific tripping contact source can be reacted in control box panel, while closing circuit, the first via can be monitored in control box
The correctness of trip(ping) circuit and the second tunnel trip(ping) circuit, to circuit-breaker status when meeting the daily tour of operating maintenance personnel and test
The requirement of observation.
Detailed description of the invention:
Fig. 1 is divide-shut brake circuit theory figure of the invention.
Fig. 2 is signal circuit schematic diagram of the invention.
Fig. 3 is panel signal lamp layout drawing of the invention.
Specific embodiment:
In Fig. 1-3 element include: electric current guard relay 1BJ~4BJ, LCU asynchronous switch-on electric current guard relay SHJ,
The normal separating brake electric current guard relay STJ of LCU, first via tripping current relay 1TJ1~1TJ5, the second road tripping current after
Electric appliance 2TJ1~2TJ5, KKJ relay SHXJ, STXJ, 1TXJ1~1TXJ5,2TXJ1~2TXJ5, involution contact button F A, letter
Number indicator light diode HJ, 1TJ, 2TJ, SHX, STX, 1TX1~1TX5,2TX1~2TX5, HW, TW, 1DC, 2DC.
4CD1,4CD2 are circuit breaker actuating mechanism, LCU screen to control box divide-shut brake circuit common end terminal, and 4CD18 is
LCU screen is to control box closing circuit terminal, and 4CD19 is to execute case LCU screen to control box sub-gate circuit terminal, and 4CD21 is water dispenser
For protection screen to control box first via trip(ping) circuit terminal, 4CD22 is that generator & transformer action A is covered to the tripping of the control box first via
Loop terminals, 4CD23 are non-ionizing energy loss screen to control box first via trip(ping) circuit terminal, and 4CD24 is that the area high-pressure side T protects A
For set to control box first via trip(ping) circuit terminal, 4CD25 is that safety stabilization control system A is covered to control box first via trip(ping) circuit
Terminal, 4CD27 are water dispenser protection screen to control box the second tunnel trip(ping) circuit terminal, 4CD28 be generator & transformer action B cover to
Control box the second tunnel trip(ping) circuit terminal, 4CD29 are non-ionizing energy loss screen to control box the second tunnel trip(ping) circuit terminal, 4CD30
B is protected to cover to control box the second tunnel trip(ping) circuit terminal for the high-pressure side area T, 4CD31 is that safety stabilization control system B is covered to operation
Case the second tunnel trip(ping) circuit terminal, 4KD1 are to circuit breaker actuating mechanism distant place closing circuit terminal, and 4KD2 is to hold to breaker
Row mechanism distant place sub-gate circuit terminal, 4CD4-4CD9 are control box the first breaking coil circuit common end terminal, and 4KD3 is behaviour
Make case the first breaking coil circuit to circuit breaker actuating mechanism terminal, 4CD11-4CD16 is the second breaking coil of control box circuit
Common end terminal, 4KD4 are control box the second breaking coil circuit to circuit breaker actuating mechanism terminal, and 4CLP1 is a control box distant place
Closing circuit output clamping, 4CLP2 are control box distant place sub-gate circuit output clamping, and 4CLP3 is control box first via tripping line
Output clamping is enclosed, 4CLP4 is the second road of control box breaking coil output clamping, and 1DK is to execute case signal circuit to control power supply, KM
+ to execute case signal power source anode, KM-is to execute case signal power source cathode.
Monitoring the distant place LCU division breaker directly can show separating brake and switching signal in control box；When circuit breaker trip, behaviour
The specific source of trip signal can be shown by making case panel；Combined floodgate, sub-gate circuit can be monitored inside control box；Control box can be shown
The separating brake of breaker, "on" position, the first and second tunnel control power supply status.
Distant place combined floodgate contact from LCU for generator set connects with SHJ electric current relay and passes through the jump of 1BJ electric current guard relay
Lock, the normal opened contact of SHJ seal in the actuation coil of KKJ relay SHXJ, and normal opened contact seals in first diode SHX and shows back
Road；Distant place separating brake contact from LCU for generator set connects with STJ electric current relay and passes through 2BJ electric current guard relay and trips,
The normal opened contact of STJ seals in the actuation coil of KKJ relay STXJ, and normal opened contact seals in the second diode STX show circuit.
First via tripping contact from water dispenser protection, which connects with 1TJ1 electric current relay and passes through 3BJ electric current, keeps relay
Device tripping, the normal opened contact of 1TJ1 seal in the actuation coil of KKJ relay 1TXJ1, and normal opened contact seals in third diode
1TX1 show circuit；The contact that trips is covered from generator & transformer action A to connect with 1TJ2 electric current relay and pass through 3BJ electric current
Guard relay tripping, the normal opened contact of 1TJ2 seal in the actuation coil of KKJ relay 1TXJ2, and normal opened contact seals in the 4th
Diode 1TX2 show circuit；First via tripping contact from non-ionizing energy loss is connected and is passed through with 1TJ3 electric current relay
The tripping of 3BJ electric current guard relay, the normal opened contact of 1TJ3 seal in the actuation coil of KKJ relay 1TXJ3, normal opened contact string
Enter the 5th diode 1TX3 show circuit；It connects and leads to 1TJ4 electric current relay from the high-pressure side area T protection A set tripping contact
The tripping of 3BJ electric current guard relay is crossed, the normal opened contact of 1TJ4 seals in the actuation coil of KKJ relay 1TXJ4, normal opened contact
Seal in the 6th diode 1TX4 show circuit；Tripping contact and 1TJ5 electric current relay string are covered from safety stabilization control system A
Join and pass through the tripping of 3BJ electric current guard relay, the normal opened contact of 1TJ5 seals in the actuation coil of KKJ relay 1TXJ5, often
It opens contact and seals in the 7th diode 1TX5 show circuit.
The second tunnel tripping contact from water dispenser protection, which connects with 2TJ1 electric current relay and passes through 4BJ electric current, keeps relay
Device tripping, the normal opened contact of 2TJ1 seal in the actuation coil of KKJ relay 2TXJ1, and normal opened contact seals in the 8th diode
2TX1 show circuit；The contact that trips is covered from generator & transformer action B to connect with 2TJ2 electric current relay and pass through 4BJ electric current
Guard relay tripping, the normal opened contact of 2TJ2 seal in the actuation coil of KKJ relay 2TXJ2, and normal opened contact seals in the 9th
Diode 2TX2 show circuit；The second tunnel tripping contact from non-ionizing energy loss is connected and is passed through with 2TJ3 electric current relay
The tripping of 4BJ electric current guard relay, the normal opened contact of 2TJ3 seal in the actuation coil of KKJ relay 2TXJ3, normal opened contact string
Enter the tenth diode 2TX3 show circuit；It connects and leads to 2TJ4 electric current relay from the high-pressure side area T protection B set tripping contact
The tripping of 4BJ electric current guard relay is crossed, the normal opened contact of 2TJ4 seals in the actuation coil of KKJ relay 2TXJ4, normal opened contact
Seal in the 11st diode 2TX4 show circuit；Tripping contact and 2TJ5 electric current relay are covered from safety stabilization control system B
It connects and passes through the tripping of 4BJ electric current guard relay, the normal opened contact of 2TJ5 seals in the actuation coil of KKJ relay 2TXJ5,
Normal opened contact seals in the 12nd diode 2TX5 show circuit；Involution contact button accesses the involution coil of all KKJ relays.
Breaker coincidence contact is connected with the 13rd diode HW, and breaker quartile contact and the 14th diode TW go here and there
Connection, first group of control power supply normal contact are connected with the 15th diode 1DC, second group of control power supply normal contact and the 16th
Diode 2DC series connection, closing circuit monitor the 17th diode HJ self-sustaining normal opened contact in series with a resistor and with 1BJ simultaneously
Connection.
Self-sustaining normal opened contact the 18th diode 1TJ of first via trip circuit monitoring in series with a resistor and with 3BJ is simultaneously
Connection；Self-sustaining normal opened contact the 19th diode 2TJ of second road trip circuit monitoring in series with a resistor and with 4BJ is in parallel.
When breaker is in quartile, LCU for generator set asynchronous switch-on contact LCUHJ is opened into 1BJ excitation, and self-sustaining contact closes
Close breaker closing, while SHJ excitation, corresponding KKJ relay SHXJ excitation, corresponding normal opened contact SHXJ closure, in control box
LCU asynchronous switch-on indicator light SHX on panel is lighted, and operations staff now presses involution button, KKJ relay SHXJ involution,
Contact indicator light extinguishes.
When breaker is in coincidence, the normal separating brake contact LCUTJ of LCU for generator set is opened into 2BJ excitation, and self-sustaining contact closes
Close breaker open operation, while STJ excitation, corresponding KKJ relay STXJ excitation, corresponding normal opened contact STXJ closure, in control box
The normal separating brake indicator light STX of LCU on panel is lighted, and operations staff now presses involution button, KKJ relay STXJ involution,
Contact indicator light extinguishes.
When breaker is in coincidence, water dispenser protection first via tripping contact TJ1-1 is opened into 3BJ excitation, and self-sustaining connects
Point close circuit breaker separating brake, while 1TJ1 excitation, corresponding KKJ relay 1TXJ1 excitation, corresponding normal opened contact 1TXJ1 closure,
Diode 1TX1 signal lamp on control box panel is lighted, and operations staff now presses involution button, KKJ relay
1TXJ1 involution, signal lamp extinguish.Other tripping contacts are opened into process similarly.
When breaker is in coincidence, breaker normal opened contact closure, panel HW signal lamp is lighted.
When breaker is in quartile, breaker normally closed contact closure, panel TW signal lamp is lighted.
When breaker first via control power supply is normal, panel 1DC signal lamp is lighted.
When the second tunnel of breaker control power supply is normal, panel 2DC signal lamp is lighted.
In parallel monitor of self-sustaining normal opened contact closing circuit monitoring diode HJ in series with a resistor and with 1BJ is closed a floodgate back
Road, when switch is in quartile, when closing circuit is normal, which is lighted.
Self-sustaining normal opened contact first via trip circuit monitoring diode 1TJ in series with a resistor and with 3BJ is in parallel to be monitored
I circuit is jumped, when switch is in coincidence, and I circuit of jump is normal, which is lighted.
Self-sustaining normal opened contact second road trip circuit monitoring diode 2TJ in series with a resistor and with 4BJ is in parallel to be monitored
II circuit is jumped, when switch is in coincidence, and II circuit of jump is normal, which is lighted.
It should be understood that this example provided is common tripping contact, when control box is applied to associated units wiring, or hair
It, can be according to the actual situation to corresponding tripping when motor excitation becomes protection with main transformer HV Auxiliary Transformer protective device independence
Open entry loop and contact circuit are increased.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that；It still can be to previous embodiment
Documented technical solution is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (2)
1. the three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely, it is characterised in that kept including the first-four electric currents
Relay, the first-ten two electric current relays, the first-ten two KKJ relays, the first-ten nine diodes and signal return
Button F A, the electric current guard relay, electric current relay, KKJ relay, diode are connect: LCU with following device contact
Shield the water dispenser trip protection contact of the normal separating brake contact LCUTJ of normal combined floodgate contact LCUHJ, LCU screen, first via breaking coil
TJ1-1, generator & transformer action A set tripping contact TJ1-2, non-ionizing energy loss tripping contact TJ1-3, the high-pressure side area T are protected
Protect A set tripping contact TJ1-4, safety stabilization control system A covers tripping contact TJ1-5, the water dispenser of the second road breaking coil is protected
Shield tripping contact TJ2-1, generator & transformer action B set tripping contact TJ2-2, non-ionizing energy loss tripping contact TJ2-3,
The high-pressure side area T protects B set tripping contact TJ2-4, safety stabilization control system B set tripping contact TJ2-5, executes with breaker
Mechanism is connected as follows: breaker coincidence contact HWJ, breaker quartile contact TWJ, the first via control electricity of breaker monitoring
Source normal contact KZ1DC, the second tunnel control power supply normal contact KZ2DC；From a LCU screen distant place normally combined floodgate contact LCUHJ with
First electric current relay SHJ connects and passes through the first electric current guard relay 1BJ tripping, and the first electric current relay SHJ's is normally opened
Contact seals in the actuation coil of the first KKJ relay SHXJ, and normal opened contact seals in first diode SHX show circuit；It comes from
The distant place separating brake contact LCUTJ of LCU screen connects with the second electric current relay STJ and passes through the second electric current guard relay 2BJ jump
Lock, the normal opened contact of the second electric current relay STJ seal in the actuation coil of the 2nd KKJ relay STXJ, and normal opened contact seals in
Second diode STX show circuit；From first via tripping contact TJ1-1 of water dispenser protection and third electric current relay 1TJ1
Connect and pass through third electric current guard relay 3BJ tripping, the normal opened contact of third electric current relay 1TJ1 seal in the 3rd KKJ after
The actuation coil of electric appliance 1TXJ1, normal opened contact seal in third diode 1TX1 show circuit；From generator & transformer action
A set tripping contact TJ1-2, which connect with the 4th electric current relay 1TJ2 and pass through third electric current guard relay 3BJ, trips, and the 4th
The normal opened contact of electric current relay 1TJ2 electric current relay seals in the actuation coil of the 4th KKJ relay 1TXJ2, normal opened contact
Seal in the 4th diode 1TX2 show circuit；First via tripping contact TJ1-3 and the 5th electric current relay from non-ionizing energy loss
Device 1TJ3 connects and passes through third electric current guard relay 3BJ tripping, and the normal opened contact of the 5th electric current relay 1TJ3 seals in the
The actuation coil of five KKJ relay 1TXJ3, normal opened contact seal in the 5th diode 1TX3 show circuit；From the high-pressure side area T
It connects with the 6th 4 electric current relay 1TJ4 and passes through third electric current guard relay 3BJ jump in protection A set tripping contact TJ1-4
Lock, the normal opened contact of the 6th electric current relay 1TJ4 seal in the actuation coil of the 6th KKJ relay 1TXJ4, normal opened contact string
Enter the 6th diode 1TX4 show circuit；Tripping contact TJ1-5 and the 7th electric current relay are covered from safety stabilization control system A
Device 1TJ5 connects and passes through third electric current guard relay 3BJ tripping, and the normal opened contact of the 7th electric current relay 1TJ5 seals in the
The actuation coil of seven KKJ relay 1TXJ5, normal opened contact seal in the 7th diode 1TX5 show circuit；It is protected from water dispenser
The second tunnel tripping contact TJ2-1 connect with the 8th electric current relay 2TJ1 and pass through the 4th electric current guard relay 4BJ jump
Lock, the normal opened contact of the 8th electric current relay 2TJ1 seal in the actuation coil of the 8th KKJ relay 2TXJ1, normal opened contact string
Enter the 8th diode 2TX1 show circuit；Tripping contact TJ2-2 and the 9th electric current relay are covered from generator & transformer action B
Device 2TJ2 connects and passes through the 4th electric current guard relay 4BJ tripping, and the normal opened contact of the 9th electric current relay 2TJ2 seals in the
The actuation coil of nine KKJ relay 2TXJ2, normal opened contact seal in the 9th diode 2TX2 show circuit；It is protected from non electrical quantity
It connects with the tenth electric current relay 2TJ3 and passes through the 4th electric current guard relay 4BJ jump in the second tunnel tripping contact TJ2-3 of shield
Lock, the 2TJ3 normal opened contact of the tenth electric current relay seal in the actuation coil of the tenth KKJ relay 2TXJ3, normal opened contact string
Enter the tenth diode 2TX3 show circuit；From the high-pressure side area T protection B set tripping contact TJ2-4 and the 11st electric current relay
2TJ4 connects and passes through the 4th electric current guard relay 4BJ tripping, and the normal opened contact of the 11st electric current relay 2TJ4 seals in the
The actuation coil of 11 KKJ relay 2TXJ4, normal opened contact seal in the 11st diode 2TX4 show circuit；From safety
Stabilizing control system B set tripping contact TJ2-5, which connect with the 12nd electric current relay 2TJ5 and pass through the 4th electric current, keeps relay
Device 4BJ tripping, the normal opened contact of the 12nd electric current relay 2TJ5 seal in the actuation coil of the 12nd KKJ relay 2TXJ5,
Normal opened contact seals in the 12nd diode 2TX5 show circuit；Signal return button F A accesses the involution line of all KKJ relays
Circle；Breaker coincidence contact HWJ connects with the 13rd diode HW, breaker quartile contact TWJ and the 14th diode TW string
Connection, first group of control power supply normal contact KZ1DC connect with the 15th diode 1DC, second group of control power supply normal contact
KZ2DC connects with the 16th diode 2DC, and closing circuit monitors that the 17th diode HJ is in series with a resistor and protects with the first electric current
The self-sustaining normal opened contact for holding relay 1BJ is in parallel；The 18th diode 1TJ of first via trip circuit monitoring is in series with a resistor simultaneously
It is in parallel with the self-sustaining normal opened contact of third electric current guard relay 3BJ；The 19th diode 2TJ of second road trip circuit monitoring
It is in series with a resistor and in parallel with the self-sustaining normal opened contact of the 4th electric current guard relay 4BJ.
2. the three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely as described in claim 1, it is characterised in that the
One-ten nine diodes are located on control box panel, first diode SHX indicate LCU asynchronous switch-on signal with or without shape
State, the second diode STX indicate the normal sub-gate signal of LCU with or without state, third diode 1TX1 indicate first tripping
The water dispenser protection screen trip signal of coil with or without state, the 4th diode 1TX2 indicate the first breaking coil generator
Tranformer protection A cover trip signal with or without state, the 5th diode 1TX3 indicate the first breaking coil non electrical quantity protect
Shield screen trip signal with or without state, the 6th diode 1TX4 indicate the first breaking coil the high-pressure side area T protection A set jump
Lock signal with or without state, the 7th diode 1TX5 indicate the first breaking coil safety stabilization control system A cover tripping
Signal with or without state, the 8th diode 2TX1 indicate the second breaking coil water dispenser protection screen trip signal with or without
State, the 9th diode 2TX2 indicate the second breaking coil generator & transformer action B set trip signal with or without
State, the tenth diode 2TX3 indicate the second breaking coil non-ionizing energy loss screen trip signal with or without state, the tenth
One diode 2TX4 indicate the second breaking coil the high-pressure side area T protection B set trip signal with or without state, the 12nd
Pole pipe 2TX5 indicate the second breaking coil safety stabilization control system B set trip signal with or without state, the 13rd
Pole pipe HW indicate breaker coincidence signal with or without state, the 14th diode TW indicate breaker quartile signal have or
The state of nothing, the 15th diode 1DC indicate the breaker first via control power good signal with or without state, the 16th
Diode 2DC indicate the second tunnel of breaker control power good signal with or without state, the 17th diode HJ indicate close
Lock circuit monitor signal with or without state, the 18th diode 1TJ indicate the first trip circuit monitoring signal with or without
State, the 19th diode 2TJ indicate the second trip circuit monitoring signal with or without state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163699.7A CN106849363B (en) | 2017-03-17 | 2017-03-17 | The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710163699.7A CN106849363B (en) | 2017-03-17 | 2017-03-17 | The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely |
Publications (2)
| Publication Number | Publication Date |
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| CN106849363A CN106849363A (en) | 2017-06-13 |
| CN106849363B true CN106849363B (en) | 2019-03-12 |
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| CN201710163699.7A Active CN106849363B (en) | 2017-03-17 | 2017-03-17 | The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely |
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| CN1996696A (en) * | 2006-11-14 | 2007-07-11 | 北海银河高科技产业股份有限公司 | Control circuit for intelligent breaker loop protection |
| CN101944771A (en) * | 2010-08-13 | 2011-01-12 | 上海思源弘瑞自动化有限公司 | Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker |
| CN103457240A (en) * | 2012-05-31 | 2013-12-18 | 洛阳恒光特种变压器有限公司 | Modifying method of transformer overcurrent relay protection |
| CN104821557A (en) * | 2015-04-23 | 2015-08-05 | 中国能源建设集团江苏省电力设计院有限公司 | Control loop of breaker operation box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559309C (en) * | 2002-02-25 | 2009-11-11 | 通用电气公司 | The protection system that is used for distribution system |
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| CN101944771A (en) * | 2010-08-13 | 2011-01-12 | 上海思源弘瑞自动化有限公司 | Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker |
| CN103457240A (en) * | 2012-05-31 | 2013-12-18 | 洛阳恒光特种变压器有限公司 | Modifying method of transformer overcurrent relay protection |
| CN104821557A (en) * | 2015-04-23 | 2015-08-05 | 中国能源建设集团江苏省电力设计院有限公司 | Control loop of breaker operation box |
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| Publication number | Publication date |
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| CN106849363A (en) | 2017-06-13 |
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