CN202026157U - Device for remotely operating and controlling distribution transformer - Google Patents
Device for remotely operating and controlling distribution transformer Download PDFInfo
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- CN202026157U CN202026157U CN2011201544476U CN201120154447U CN202026157U CN 202026157 U CN202026157 U CN 202026157U CN 2011201544476 U CN2011201544476 U CN 2011201544476U CN 201120154447 U CN201120154447 U CN 201120154447U CN 202026157 U CN202026157 U CN 202026157U
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Abstract
The utility model relates to a device for remotely operating and controlling a distribution transformer. In the device, an optical fiber communication unit comprises an optical fiber cable, an optical transmitter and receiver, and the optical transmitter and receiver comprises a light receiving circuit and a light transmitting circuit; an optical signal input terminal of the light receiving circuit is connected with the optical fiber cable, and an optical signal output terminal of the light receiving circuit is connected with a signal input terminal of a signal transformation and determination unit; a state signal input terminal of a high voltage isolator of the light transmitting circuit is connected with a state signal output terminal of a high voltage isolator operation and control unit, a state signal input terminal of a low voltage breaker of the light transmitting circuit is connected with a state signal output terminal of a low voltage isolator operation and control unit, and an optical signal output terminal of the light transmitting circuit is connected with the optical fiber cable; and an operation and control signal output terminal of a high voltage isolator of the signal transformation and determination unit is connected with a control signal input terminal of the high voltage isolator operation and control unit, and an operation and control signal output terminal of a low voltage breaker of the signal transformation and determination unit is connected with a control signal input terminal of the low voltage isolator operation and control unit.
Description
Technical field:
The utility model relates to a kind of distribution transformer remote operation control device.
Background technology:
At present, the intelligent grid construction is carried out in electric power system comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management, intellectual analysis.The distribution intellectuality has only just begun starting, because a variety of causes fails to be generalizable always comprehensively, for the technical research of distribution transformer remote operation, also be the part in the intelligentized popularization and application of power distribution network, be primarily aimed at distribution transformer, on-load switch and following 400V distribution system and carry out remote operation.
The technical research of distribution transformer remote operation is built, to play very big promotion to the power distribution system equipment safety and economic operation, present distribution transformer in operation, 10kV on-load switch and following 400V distribution system, owing to can not carry out remote operation, big to the influence of distribution system power supply unit safety and economic operation, power supply quality is low, device damage rate height, if can popularize the distribution transformer remote operation technology of using in an all-round way, operating personnel do not need device context, reduce the misoperation factor, also reduce operating personnel's traffic unsafe factor, shorten the operating equipment time, reduce unnecessary loss, improve power supply reliability, simultaneously, will play crucial effects the development of distribution system intellectualized technology.
The utility model content:
The purpose of this utility model provides a kind of distribution transformer remote operation control device, to adapt to the intelligent remote operation control growth requirement of present power distribution network.
A kind of distribution transformer remote operation control device, wherein: comprise optical fiber communication unit, signal transformation judging unit, high voltage isolator operation control unit, low-voltage circuit breaker operation control unit, wherein, the optical fiber communication unit comprises fiber optic cables, optical transceiver, optical transceiver comprises optical receiving circuit, optical transmission circuit: the light signal input of optical receiving circuit connects the signal output part that issues of fiber optic cables, and the signal output part of optical receiving circuit connects the signal input part of signal transformation judging unit; The high voltage isolator status signal input of optical transmission circuit connects the status signal output of high voltage isolator operation control unit, the low-voltage circuit breaker status signal input of optical transmission circuit connects the status signal output of low-voltage circuit breaker operation control unit, the light signal output end of optical transmission circuit connects the signal input part of uploading of fiber optic cables, the issuing signal input part, upload signal output part and be used to connect distribution control centre of fiber optic cables; The high voltage isolator operating control signal output of signal transformation judging unit connects the signal input end of high voltage isolator operation control unit, and the low-voltage circuit breaker operating control signal output of signal transformation judging unit connects the signal input end of low-voltage circuit breaker operation control unit.
Described distribution transformer remote operation control device, wherein: described signal transformation judging unit comprises the A/D translation circuit, calculate decision circuitry, carry out signal drive circuit, the signal input part of A/D translation circuit connects the signal output part of optical receiving circuit, the signal output part of A/D translation circuit connects the signal input part that calculates decision circuitry, the signal output part that calculates decision circuitry connects the signal input part of carrying out signal drive circuit, the high voltage isolator operating control signal output of carrying out signal drive circuit connects the signal input end of high voltage isolator operation control unit, and the low-voltage circuit breaker operating control signal output of carrying out signal drive circuit connects the signal input end of low-voltage circuit breaker operation control unit.
Described distribution transformer remote operation control device, wherein: carry out signal drive circuit and comprise high voltage isolator operation control relay, low-voltage circuit breaker operation control relay, the switching action of high voltage isolator operation control relay control high voltage isolator operation control unit, the switching action of low-voltage circuit breaker operation control relay control low-voltage circuit breaker operation control unit.
Described distribution transformer remote operation control device, wherein: described high voltage isolator operation control unit comprises first relay, the make contact of second relay of the high voltage isolator operation control relay make contact of execution signal drive circuit and low-voltage circuit breaker function circuit in the signal transformation decision circuitry, the high voltage isolator operation control relay make contact of carrying out signal drive circuit in the signal transformation decision circuitry constitutes parallel circuits with the make contact of second relay of low-voltage circuit breaker function circuit, and the be in series series circuit of formation of the coil of this parallel circuits and first relay is connected on the power supply;
Described low-voltage circuit breaker operation control unit comprises the series circuit that the make contact by first relay in the low-voltage circuit breaker operation control relay make contact of carrying out signal drive circuit in the coil of second relay, the signal transformation decision circuitry and the high voltage isolator operation control unit constitutes, and this series circuit is connected on the power supply.
The utility model will reach following technique effect after adopting technique scheme:
Distribution transformer remote operation control device of the present utility model, optical receiving circuit is by the operating control signal of fiber optic cables reception from distribution control centre, optical receiving circuit is handled the operating control signal received that the back is corresponding delivers to the high voltage isolator operation control unit or/and the low-voltage circuit breaker operation control unit by the signal transformation judging unit afterwards, and the high voltage isolator operation control unit is or/and the low-voltage circuit breaker operation control unit is carried out corresponding actions; The high voltage isolator operation control unit makes operating personnel can grasp current state in real time or/and the corresponding state signal conveys of low-voltage circuit breaker operation control unit to optical transmission circuit, sends to distribution control centre, in case take place unusually, so that in time safeguard.
Description of drawings:
Fig. 1 is the structured flowchart of distribution transformer remote operation control device of the present utility model;
Fig. 2 is the connection layout of optical transmission circuit, optical receiving circuit and fiber optic cables in the optical fiber communication shown in Figure 1 unit;
Fig. 3 is the structured flowchart of signal transformation judging unit among Fig. 1;
Fig. 4 is the circuit diagram of Fig. 1 mesohigh isolator operation control unit;
Fig. 5 is the circuit diagram of Fig. 1 mesolow breaker operator control unit.
Embodiment:
Distribution transformer remote operation control device of the present utility model, as shown in Figure 1, comprise optical fiber communication unit, signal transformation judging unit, high voltage isolator operation control unit, low-voltage circuit breaker operation control unit, wherein, the optical fiber communication unit comprises fiber optic cables, optical transceiver, as Fig. 2, optical transceiver comprises optical receiving circuit, optical transmission circuit: the light signal input of optical receiving circuit connects the signal output part that issues of fiber optic cables, and the signal output part of optical receiving circuit connects the signal input part of signal transformation judging unit; The high voltage isolator status signal input of optical transmission circuit connects the status signal output of high voltage isolator operation control unit, the low-voltage circuit breaker status signal input of optical transmission circuit connects the status signal output of low-voltage circuit breaker operation control unit, the light signal output end of optical transmission circuit connects the signal input part of uploading of fiber optic cables, the issuing signal input part, upload signal output part and be used to connect distribution control centre of fiber optic cables; The high voltage isolator operating control signal output of signal transformation judging unit connects the signal input end of high voltage isolator operation control unit, and the low-voltage circuit breaker operating control signal output of signal transformation judging unit connects the signal input end of low-voltage circuit breaker operation control unit.
Optical receiving circuit receives to be delivered to the signal transformation judging unit behind the operating control signal that issues from distribution control centre and handles, corresponding signal after the signal transformation judging unit is handled is delivered to the high voltage isolator operation control unit or/and the low-voltage circuit breaker operation control unit, by the high voltage isolator operation control unit or/and the low-voltage circuit breaker operation control unit is carried out corresponding actions; The high voltage isolator operation control unit or/and the current corresponding state signal conveys of low-voltage circuit breaker operation control unit to optical transmission circuit, upload to distribution control centre, make the operating personnel of distribution control centre can grasp current state in real time, in case take place unusual so that in time respond and safeguard.
So as seen, when the distribution system transformer equipment need drop into or withdraw from operation, operating personnel can carry out the remote control operation in distribution control centre, and the electrician does not need device context.After the distribution transformer equipment state changes, be delivered to optical transmission circuit immediately, the corresponding state signal is sent to distribution control centre.
As Fig. 3, described signal transformation judging unit comprises the A/D translation circuit, calculate decision circuitry, carry out signal drive circuit, the signal input part of A/D translation circuit connects the signal output part of optical receiving circuit, the signal output part of A/D translation circuit connects the signal input part that calculates decision circuitry, the signal output part that calculates decision circuitry connects the signal input part of carrying out signal drive circuit, the high voltage isolator operating control signal output of carrying out signal drive circuit connects the signal input end of high voltage isolator operation control unit, the low-voltage circuit breaker operating control signal output of carrying out signal drive circuit connects the signal input end of low-voltage circuit breaker operation control unit, carry out signal drive circuit and comprise high voltage isolator operation control relay, low-voltage circuit breaker operation control relay, the switching action of high voltage isolator operation control relay control high voltage isolator operation control unit, the switching action of low-voltage circuit breaker operation control relay control low-voltage circuit breaker operation control unit.After the A/D translation circuit carries out the A/D conversion with the signal that receives, sending into the calculating decision circuitry judges, judging result signal is delivered to the execution signal drive circuit, to drive high voltage isolator operation control unit, the operation of low-voltage circuit breaker operation control unit control transformer switching.
As Fig. 4, described high voltage isolator operation control unit comprises the first relay K G, the high voltage isolator of carrying out signal drive circuit in the signal transformation decision circuitry is operated the make contact KD1 of the second relay K D of control relay make contact K1 and low-voltage circuit breaker function circuit, high voltage isolator operation control relay make contact K1 that carries out signal drive circuit in the signal transformation decision circuitry and the make contact KD1 of the second relay K D of low-voltage circuit breaker function circuit constitute parallel circuits, and the be in series series circuit of formation of the coil of this parallel circuits and the first relay K G is connected on the power supply;
After carrying out the high voltage isolator operation control relay action of signal drive circuit in the signal transformation decision circuitry, high voltage isolator carries out automatic breaking-closing operating, and the status signal behind the high voltage isolator breaking-closing operating sends to distribution control centre by optical transmission circuit.
As Fig. 5, described low-voltage circuit breaker operation control unit comprises the series circuit that the make contact KG1 by the first relay K G in low-voltage circuit breaker operation control relay make contact K2 that carries out signal drive circuit in the coil of the second relay K D, the signal transformation decision circuitry and the high voltage isolator operation control unit constitutes, and this series circuit is connected on the power supply.
After carrying out the low-voltage circuit breaker operation control relay action of signal drive circuit in the signal transformation decision circuitry high voltage isolator operation control unit comprising first actuating of relay simultaneously, low-voltage circuit breaker carries out automatic breaking-closing operating, sends to the operator on duty of distribution control centre mobile phone closing operation by optical transmission circuit behind the low-voltage circuit breaker breaking-closing operating and finishes information.
Transformer send electric operation sequence, closes high voltage isolator earlier, after close low-voltage circuit breaker, high voltage isolator does not conform to, low-voltage circuit breaker does not close, high voltage isolator and low-voltage circuit breaker have interlock function.
Transformer power failure operation sequence is stopped low-voltage circuit breaker earlier, after stop high voltage isolator, low-voltage circuit breaker does not stop, high voltage isolator can stop any more, low-voltage circuit breaker and high voltage isolator have interlock function.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although the utility model is had been described in detail with reference to preferred embodiment; the person of an ordinary skill in the technical field is to be understood that; still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; and not breaking away from the technical solution of the utility model spirit, it all should be encompassed in the technical scheme scope that the utility model asks for protection.
Claims (4)
1. distribution transformer remote operation control device, it is characterized in that: comprise optical fiber communication unit, signal transformation judging unit, high voltage isolator operation control unit, low-voltage circuit breaker operation control unit, wherein, the optical fiber communication unit comprises fiber optic cables, optical transceiver, optical transceiver comprises optical receiving circuit, optical transmission circuit: the light signal input of optical receiving circuit connects the signal output part that issues of fiber optic cables, and the signal output part of optical receiving circuit connects the signal input part of signal transformation judging unit; The high voltage isolator status signal input of optical transmission circuit connects the status signal output of high voltage isolator operation control unit, the low-voltage circuit breaker status signal input of optical transmission circuit connects the status signal output of low-voltage circuit breaker operation control unit, the light signal output end of optical transmission circuit connects the signal input part of uploading of fiber optic cables, the issuing signal input part, upload signal output part and be used to connect distribution control centre of fiber optic cables; The high voltage isolator operating control signal output of signal transformation judging unit connects the signal input end of high voltage isolator operation control unit, and the low-voltage circuit breaker operating control signal output of signal transformation judging unit connects the signal input end of low-voltage circuit breaker operation control unit.
2. distribution transformer remote operation control device as claimed in claim 1, it is characterized in that: described signal transformation judging unit comprises the A/D translation circuit, calculate decision circuitry, carry out signal drive circuit, the signal input part of A/D translation circuit connects the signal output part of optical receiving circuit, the signal output part of A/D translation circuit connects the signal input part that calculates decision circuitry, the signal output part that calculates decision circuitry connects the signal input part of carrying out signal drive circuit, the high voltage isolator operating control signal output of carrying out signal drive circuit connects the signal input end of high voltage isolator operation control unit, and the low-voltage circuit breaker operating control signal output of carrying out signal drive circuit connects the signal input end of low-voltage circuit breaker operation control unit.
3. distribution transformer remote operation control device as claimed in claim 2, it is characterized in that: carry out signal drive circuit and comprise high voltage isolator operation control relay, low-voltage circuit breaker operation control relay, the switching action of high voltage isolator operation control relay control high voltage isolator operation control unit, the switching action of low-voltage circuit breaker operation control relay control low-voltage circuit breaker operation control unit.
4. distribution transformer remote operation control device as claimed in claim 3, it is characterized in that: described high voltage isolator operation control unit comprises first relay, the make contact of second relay of the high voltage isolator operation control relay make contact of execution signal drive circuit and low-voltage circuit breaker function circuit in the signal transformation decision circuitry, the high voltage isolator operation control relay make contact of carrying out signal drive circuit in the signal transformation decision circuitry constitutes parallel circuits with the make contact of second relay of low-voltage circuit breaker function circuit, and the be in series series circuit of formation of the coil of this parallel circuits and first relay is connected on the power supply;
Described low-voltage circuit breaker operation control unit comprises the series circuit that the make contact by first relay in the low-voltage circuit breaker operation control relay make contact of carrying out signal drive circuit in the coil of second relay, the signal transformation decision circuitry and the high voltage isolator operation control unit constitutes, and this series circuit is connected on the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201544476U CN202026157U (en) | 2011-05-16 | 2011-05-16 | Device for remotely operating and controlling distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201544476U CN202026157U (en) | 2011-05-16 | 2011-05-16 | Device for remotely operating and controlling distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202026157U true CN202026157U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201544476U Expired - Fee Related CN202026157U (en) | 2011-05-16 | 2011-05-16 | Device for remotely operating and controlling distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202026157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195356A (en) * | 2011-05-16 | 2011-09-21 | 河南省电力公司驻马店供电公司 | Remote operating control device of distribution transformer |
-
2011
- 2011-05-16 CN CN2011201544476U patent/CN202026157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195356A (en) * | 2011-05-16 | 2011-09-21 | 河南省电力公司驻马店供电公司 | Remote operating control device of distribution transformer |
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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: 20111102 Termination date: 20150516 |
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| EXPY | Termination of patent right or utility model |