CN203205987U - Device for remote control operation of circuit breaker for power supply of motor with isolating switch - Google Patents
Device for remote control operation of circuit breaker for power supply of motor with isolating switch Download PDFInfo
- Publication number
- CN203205987U CN203205987U CN 201320250172 CN201320250172U CN203205987U CN 203205987 U CN203205987 U CN 203205987U CN 201320250172 CN201320250172 CN 201320250172 CN 201320250172 U CN201320250172 U CN 201320250172U CN 203205987 U CN203205987 U CN 203205987U
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- remote control
- circuit breaker
- circuit
- control
- isolating switch
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Abstract
The utility model discloses a device for remote control operation of a circuit breaker for power supply of a motor with an isolating switch. The device comprises a circuit breaker, a remote control attachment connected with the circuit breaker, and a smart terminal of a circuit which forms a loop with the remote control attachment, wherein the circuit breaker is provided with an auxiliary contact and a pair of alarm contacts, the remote control attachment adopts double-contact control, the smart terminal of the circuit comprises a public end, and remote control disconnection and remote control connection outlet contacts, adopts the design of a relay which returns within a fixed time limit, and forms a remote control disconnection loop and a remote control connection loop together with the remote control attachment. The device for remote control operation of the circuit breaker for power supply of the motor with an isolating switch adopt double contacts to control the remote control attachment, effectively prevents the problem of operation interruption when a single contact maintaining command disappears, and has versatility and universality.
Description
Technical field
The utility model relates to the straighforward operation of substation isolating-switch motor power, refers in particular to a kind of isolating switch motor power circuit breaker remote-control apparatus.
Background technology
Isolating switch in the transformer station (being commonly called as disconnecting link) is because only just changing operational mode when the grid switching operation, all be in "on" position under the normal operation and (be in gate-dividing state under the grounding switch normal operation, when the equipment interruption maintenance, be in "on" position), after grid switching operation is finished, the operation personnel need manually to disconnect the isolating switch motor power, namely withdraw from the circuit breaker in motor power loop.Along with the realization of electric isolating switch remote control divide-shut brake function, for further reducing operations staff's operating process, shorten the operating time, in the urgent need to the straighforward operation of motor power is also included.
Present stage, the transformer station that some automaticities are higher has realized the straighforward operation of isolating switch motor power, implementation is: the circuit breaker in isolating switch motor power loop adopts the circuit breaker with the Long-distance Control annex, the Long-distance Control annex is the single contact control mode, when having control command, the moving circuit breaker link rod of Long-distance Control accessory tapes closes a floodgate, when control command disappears, be that contact returns, breaker open operation.This control contact is to hold the order contact by the collateral that measure and control device sends.
But this mode still has problems.The maintenance order contact that measure and control device sends is the secondary normal opened contact by the latching relay of measure and control device program command control, and is different from the relay that other definite-times return, and needs to particularly point out when ordering goods, and do not possess versatility.If unusually isolating switch motor power in operating process may occur and interrupting suddenly appears in the retaining contact loop in addition, can't operate situation about normally finishing.
The utility model content
For solving above-mentioned deficiency of the prior art, the utility model provides a kind of isolating switch motor power circuit breaker remote-control apparatus, it adopts two point control Long-distance Control annex, operation disruption problem when effectively avoiding single contact to keep order to disappear, and have versatility and universality.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of isolating switch motor power circuit breaker remote-control apparatus, described device comprises the circuit breaker that is installed on the isolating switch motor power circuit, the Long-distance Control annex that is connected with described circuit breaker reaches the circuit intelligent terminal that consists of the loop with described Long-distance Control annex, wherein said circuit breaker is provided with an auxiliary contact, described Long-distance Control annex is two point control, described circuit intelligent terminal comprises common port and remote control separating brake, the remote control outlet contact that closes a floodgate, it adopts relay design that definite-time returns and consists of respectively the remote control separating brake with described Long-distance Control annex, the remote control closing circuit.
As improvement of the technical scheme, described circuit breaker also is provided with a pair of warning contact, is serially connected with a warning contact in the remote control closing circuit that described Long-distance Control annex and described circuit intelligent terminal consist of.When the circuit breaker overcurrent tripping, the warning contact can disconnect, can effectively prevent in overcurrent tripping situation circuit breaker repeat close a floodgate.
The beneficial effect that the utility model brings has:
According to the breaking-closing operating of concrete breaking-closing operating command execution circuit breaker, do not exist order to disappear, namely carry out the situation that reverse operating or operation stop, effectively guaranteed the reliability of device.The relay that the utility model circuit intelligent terminal exit relay adopts conventional definite-time to return, this latching relay that does not need program command control, guaranteed the versatility of circuit intelligent terminal, do not needed to develop in addition new equipment for realization remote-control motor electric power loop circuit breaker function.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and the specific embodiments,
Accompanying drawing 1 is the utility model apparatus structure schematic diagram.
Embodiment
By reference to the accompanying drawings 1, a kind of isolating switch motor power circuit breaker remote-control apparatus of the present utility model, it adopts two point control Long-distance Control annex 2, operation disruption problem when effectively avoiding single contact to keep order to disappear, strengthen the fail safe of operation, and adopted common apparatus, do not needed customized especially relay, save hardware and development cost, had versatility and universality.
Operating means of the present utility model comprises that the circuit breaker 1 that is installed on the isolating switch motor power circuit, the Long-distance Control annex that is connected with described circuit breaker 12 reach the circuit intelligent terminal 3 that consists of loops with described Long-distance Control annex 2.Wherein circuit breaker 1 is provided with an auxiliary contact 11 and a pair of warning contact 12, described Long-distance Control annex 2 is two point control, and himself is with alternating current machine, needs separately to draw from the AC power of GIS convergence control cabinet to connect one road single phase alternating current power supply and power to it.Described circuit intelligent terminal 3 comprises common port and remote control separating brake, the remote control outlet contact that closes a floodgate, and it adopts relay design that definite-time returns and consists of respectively remote control separating brake, remote control closing circuit with described Long-distance Control annex 2.To be measure and control device through the five-prevention operation logic judge by the GOOSE order order of remote control divide-shut brake is handed down to circuit intelligent terminal 3, by circuit intelligent terminal 3 carry out the remote control separating brake, closing a floodgate exports contact and then circuit breaker 1 is controlled.
In addition, need seal in the warning contact 12 of circuit breaker 1 in the remote control closing circuit, when circuit breaker 1 overcurrent tripping, warning contact 12 can disconnect, can effectively prevent in overcurrent tripping situation circuit breaker repeat close a floodgate.
When the isolating switch motor power needs the remote control closing operation, the remote control reclosing command starts, measure and control device can according on circuit breaker 1 auxiliary contact 11 that send judge that whether the position of circuit breakers 1 this moment is in a minute position, and examine and judge whether this step meets the five-prevention operation logic, then issue GOOSE and close order to circuit intelligent terminal 3 if meet, start remote control combined floodgate outlet contact by circuit intelligent terminal 3 and remove to connect the remote control closing circuit, circuit breaker 1 closes a floodgate.
When the remote control separating brake, whether measure and control device needs determination circuit circuit breaker 1 in co-bit, examine isolating switch and finished set grid switching operation, then issuing GOOSE divides order to circuit intelligent terminal 3, start remote control separating brake outlet contact by circuit intelligent terminal 3 and remove to connect the remote control sub-gate circuit, circuit breaker 1 separating brake.Behind the startup of remote control reclosing command and circuit breaker 1 combined floodgate, when if the faults such as short circuit appear in the motor power loop, circuit breaker 1 can overcurrent tripping, and the warning contact 12 that is connected in series in the remote control this moment closing circuit can disconnect, can effectively avoid circuit breaker 1 under the failure condition repeat close a floodgate.
Improvements of the present utility model are the breaking-closing operating according to concrete breaking-closing operating command execution circuit breaker 1, do not exist order to disappear and namely carry out reverse operating or operate situation about stopping, effectively guaranteed reliability, in addition, the relay that circuit intelligent terminal 3 exit relays adopt conventional definite-time to return in this device, the latching relay that does not need program command control, guaranteed the versatility of intelligent terminal, do not needed to develop in addition new equipment for realization remote-control motor power circuit breaker function.
At last, the above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (3)
1. isolating switch motor power circuit breaker remote-control apparatus, it is characterized in that: described device comprises the circuit breaker (1) that is installed on the isolating switch motor power circuit, the Long-distance Control annex (2) that is connected with described circuit breaker (1) reaches the circuit intelligent terminal (3) that consists of the loop with described Long-distance Control annex (2), wherein said circuit breaker (1) is provided with an auxiliary contact (11), described Long-distance Control annex (2) is two point control, described circuit intelligent terminal (3) comprises common port and remote control separating brake, the remote control outlet contact that closes a floodgate, it adopts relay design that definite-time returns and consists of respectively the remote control separating brake with described Long-distance Control annex (2), the remote control closing circuit.
2. a kind of isolating switch motor power circuit breaker remote-control apparatus according to claim 1, it is characterized in that: described circuit breaker (1) is provided with a pair of warning contact (12).
3. a kind of isolating switch motor power circuit breaker remote-control apparatus according to claim 1 is characterized in that: be serially connected with a warning contact (12) in the remote control closing circuit that described Long-distance Control annex (2) and described circuit intelligent terminal (3) consist of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250172 CN203205987U (en) | 2013-05-09 | 2013-05-09 | Device for remote control operation of circuit breaker for power supply of motor with isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250172 CN203205987U (en) | 2013-05-09 | 2013-05-09 | Device for remote control operation of circuit breaker for power supply of motor with isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205987U true CN203205987U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320250172 Expired - Fee Related CN203205987U (en) | 2013-05-09 | 2013-05-09 | Device for remote control operation of circuit breaker for power supply of motor with isolating switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN203205987U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703480A (en) * | 2016-03-02 | 2016-06-22 | 国家电网公司 | Transformer neutral point switch remote comprehensive control circuit |
| CN108682579A (en) * | 2018-05-23 | 2018-10-19 | 云南电网有限责任公司保山供电局 | A kind of disconnecting switch motor power distant place control method |
| CN108879965A (en) * | 2018-09-06 | 2018-11-23 | 云南电网有限责任公司保山供电局 | A kind of substation isolating-switch motor power long-range control method |
| CN109193938A (en) * | 2018-09-28 | 2019-01-11 | 施耐德万高（天津）电气设备有限公司 | A kind of power transfer device control system and control method |
| CN112019126A (en) * | 2020-08-28 | 2020-12-01 | 贵州电网有限责任公司 | Programmable motor controller and control method thereof |
-
2013
- 2013-05-09 CN CN 201320250172 patent/CN203205987U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703480A (en) * | 2016-03-02 | 2016-06-22 | 国家电网公司 | Transformer neutral point switch remote comprehensive control circuit |
| CN105703480B (en) * | 2016-03-02 | 2018-11-02 | 国网河北省电力有限公司邯郸供电分公司 | Transformer neutral point disconnecting link remote comprehensive control circuit |
| CN108682579A (en) * | 2018-05-23 | 2018-10-19 | 云南电网有限责任公司保山供电局 | A kind of disconnecting switch motor power distant place control method |
| CN108879965A (en) * | 2018-09-06 | 2018-11-23 | 云南电网有限责任公司保山供电局 | A kind of substation isolating-switch motor power long-range control method |
| CN109193938A (en) * | 2018-09-28 | 2019-01-11 | 施耐德万高（天津）电气设备有限公司 | A kind of power transfer device control system and control method |
| CN112019126A (en) * | 2020-08-28 | 2020-12-01 | 贵州电网有限责任公司 | Programmable motor controller and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20190509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |