CN202026158U - 220kV substation three-winding main transformer remote operation control device - Google Patents
220kV substation three-winding main transformer remote operation control device Download PDFInfo
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- CN202026158U CN202026158U CN2011201545248U CN201120154524U CN202026158U CN 202026158 U CN202026158 U CN 202026158U CN 2011201545248 U CN2011201545248 U CN 2011201545248U CN 201120154524 U CN201120154524 U CN 201120154524U CN 202026158 U CN202026158 U CN 202026158U
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Abstract
The utility model relates to a 220kV substation three-winding main transformer remote operation control device which comprises an optical fiber communication unit, a signal conversion judgment unit, a high-voltage side neutral point isolation switch operation control unit, a medium-voltage side neutral point isolation switch operation control unit, a high-voltage side breaker operation control unit, a medium-voltage side breaker operation control unit and a low-voltage side breaker operation control unit, wherein the optical fiber communication unit comprises an optical fiber cable and an optical end machine, the optical end machine comprises a light receiving circuit and a light emitting circuit, an optical signal input end of the light receiving circuit is connected with a sending signal output end of the optical fiber cable, a signal output end of the light receiving circuit is connected with a signal input end of the signal conversion judgment unit, each operation control signal output end of the signal conversion judgment unit is connected with a control signal input end of a corresponding operation control unit, and a state signal output end of each operation control unit is respectively connected with a corresponding state signal input end of the light emitting circuit.
Description
Technical field:
The utility model relates to a kind of 220kV transformer station three winding main 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 electrical network intellectuality has only just begun starting, because a variety of causes fails to be generalizable always comprehensively, for the three winding main transformer remote operation technical research of 220kV transformer station, also be the part in the popularization and application of Power System Intelligentization, be primarily aimed at the three winding main transformer remote operations control of 220kV transformer station.
The three winding main transformer remote operation technical research of 220kV transformer station are built, to play very big promotion to the power system device safety and economic operation, present 220kV transformer station three winding main transformers in operation, owing to can not carry out remote operation, big to power system power supply device security economical operation influence, power supply quality is low, device damage rate height, if can popularize in an all-round way and use 220kV transformer station three winding main transformer remote operation control technologys, 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, also will play crucial effects the Power System Intelligent technical development.
The utility model content:
The purpose of this utility model provides a kind of 220kV transformer station three winding main transformer remote operation control device, to adapt to the intelligent remote operation control growth requirement of present electric power system.
A kind of 220kV transformer station three winding main transformer remote operation control device, wherein: comprise the optical fiber communication unit, the signal transformation judging unit, high-pressure side neutral point isolator operation control unit, medium voltage side neutral point isolator operation control unit, high-pressure side breaker operator control unit, medium voltage side breaker operator control unit, low-pressure side breaker operator 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-pressure side neutral point isolator operation control signal output ends of signal transformation judging unit connects the signal input end of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolator operation control signal output ends of signal transformation judging unit connects the signal input end of medium voltage side neutral point isolator operation control unit, the high-pressure side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of high-pressure side breaker operator control unit, the medium voltage side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of medium voltage side breaker operator control unit, and the low-pressure side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of low-pressure side breaker operator control unit;
The high-pressure side neutral point isolating switch status signal input of optical transmission circuit connects the status signal output of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolating switch status signal input of optical transmission circuit connects the status signal output of medium voltage side neutral point isolator operation control unit, the high-pressure side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of high-pressure side breaker operator control unit, the medium voltage side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of medium voltage side breaker operator control unit, the low-pressure side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of low-pressure side breaker operator control unit, the light signal output end of optical transmission circuit connects the signal input part of uploading of fiber optic cables, fiber optic cables issue signal input part, upload signal output part and be used to connect the transformer station centralized control center.
Described 220kV transformer station three winding main 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-pressure side neutral point isolator operation control signal output ends of carrying out signal drive circuit connects the signal input end of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolator operation control signal output ends of carrying out signal drive circuit connects the signal input end of medium voltage side neutral point isolator operation control unit, the high-pressure side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of high-pressure side breaker operator control unit, the medium voltage side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of medium voltage side breaker operator control unit, and the low-pressure side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of low-pressure side breaker operator control unit.
Described 220kV transformer station three winding main transformer remote operation control device, wherein: described execution signal drive circuit comprises high-pressure side neutral point isolator operation control relay, medium voltage side neutral point isolator operation control relay, high-pressure side breaker operator control relay, medium voltage side breaker operator control relay, low-pressure side breaker operator control relay, the switching action of neutral point isolator operation control relay control high-pressure side, high-pressure side neutral point isolator operation control unit, the switching action of medium voltage side neutral point isolator operation control relay control medium voltage side neutral point isolator operation control unit, the switching action of breaker operator control relay control high-pressure side, high-pressure side breaker operator control unit, the switching action of medium voltage side breaker operator control relay control medium voltage side breaker operator control unit, the switching action of low-pressure side breaker operator control relay control low-pressure side breaker operator control unit.
Described 220kV transformer station three winding main transformer remote operation control device, wherein: described high-pressure side neutral point isolator operation control unit comprises in first relay, the signal transformation decision circuitry high-pressure side neutral point isolator operation control relay make contact of carrying out signal drive circuit, and the be in series series circuit of formation of the high-pressure side neutral point isolator operation control relay make contact of carrying out signal drive circuit in the coil of the first relay K GZ and the signal transformation decision circuitry is connected on the power supply;
Described medium voltage side neutral point isolator operation control unit comprises in second relay, the signal transformation decision circuitry medium voltage side neutral point isolator operation control relay make contact of carrying out signal drive circuit, and the be in series series circuit of formation of the medium voltage side neutral point isolator operation control relay make contact of carrying out signal drive circuit in the coil of second relay and the signal transformation decision circuitry is connected on the power supply;
Described high-pressure side breaker operator control unit comprises the 3rd relay, first make contact of the 4th relay in the high-pressure side breaker operator control relay make contact of execution signal drive circuit and the low-pressure side breaker operator control unit in the signal transformation decision circuitry, first make contact of the 4th relay constitutes parallel circuits in the high-pressure side breaker operator control relay make contact of carrying out signal drive circuit in the signal transformation decision circuitry and the low-pressure side breaker operator control unit, and the be in series series circuit of formation of the coil of this parallel circuits and the 3rd relay is connected on the power supply;
Described low-pressure side breaker operator control unit comprises the 4th relay, the make contact of the 5th relay in the low-pressure side breaker operator control relay make contact of execution signal drive circuit and the medium voltage side breaker operator control unit in the signal transformation decision circuitry, the make contact of the 3rd relay in the breaker operator control unit of high-pressure side, the make contact of carrying out the 5th relay in the low-pressure side breaker operator control relay make contact of signal drive circuit and the medium voltage side breaker operator control unit in the signal transformation decision circuitry is in parallel the coil of this parallel circuits and the 4th relay, the series circuit that the make contact of the 3rd relay is in series in the breaker operator control unit of high-pressure side is connected on the power supply;
Described medium voltage side breaker operator control unit comprises the series circuit that second make contact by the 4th relay in the medium voltage side breaker operator control relay make contact of carrying out signal drive circuit in the 5th relay, the signal transformation decision circuitry and the low-pressure side breaker operator 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:
220kV of the present utility model transformer station three winding main transformer remote operation control device, optical receiving circuit is by the operating control signal of fiber optic cables reception from the transformer station centralized control center, optical receiving circuit is handled the corresponding high-pressure side neutral point isolator operation control unit of delivering in back with the operating control signal of receiving by the signal transformation judging unit afterwards, medium voltage side neutral point isolator operation control unit, high-pressure side breaker operator control unit, medium voltage side breaker operator control unit, low-pressure side breaker operator control unit, the corresponding operating control unit is carried out corresponding actions; The status signal of corresponding operating control unit is delivered to optical transmission circuit, be sent to the transformer station centralized control center by fiber optic cables, make operating personnel can grasp current state in real time, in case take place unusually, so that in time safeguard, 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.
Description of drawings:
Fig. 1 is the structured flowchart of 220kV of the present utility model transformer station three winding main transformer remote operation control device;
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 the high-pressure side neutral point isolator operation control unit among Fig. 1;
Fig. 5 is the circuit diagram of the medium voltage side neutral point isolator operation control unit among Fig. 1;
Fig. 6 is the circuit diagram of the high-pressure side breaker operator control unit among Fig. 1;
Fig. 7 is the circuit diagram of the low-pressure side breaker operator control unit among Fig. 1;
Fig. 8 is the circuit diagram of the medium voltage side breaker operator control unit among Fig. 1.
Embodiment:
220kV of the present utility model transformer station three winding main transformer remote operation control device, as shown in Figure 1, comprise the optical fiber communication unit, the signal transformation judging unit, high-pressure side neutral point isolator operation control unit, medium voltage side neutral point isolator operation control unit, high-pressure side breaker operator control unit, medium voltage side breaker operator control unit, low-pressure side breaker operator 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-pressure side neutral point isolator operation control signal output ends of signal transformation judging unit connects the signal input end of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolator operation control signal output ends of signal transformation judging unit connects the signal input end of medium voltage side neutral point isolator operation control unit, the high-pressure side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of high-pressure side breaker operator control unit, the medium voltage side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of medium voltage side breaker operator control unit, and the low-pressure side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of low-pressure side breaker operator control unit;
The high-pressure side neutral point isolating switch status signal input of optical transmission circuit connects the status signal output of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolating switch status signal input of optical transmission circuit connects the status signal output of medium voltage side neutral point isolator operation control unit, the high-pressure side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of high-pressure side breaker operator control unit, the medium voltage side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of medium voltage side breaker operator control unit, the low-pressure side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of low-pressure side breaker operator control unit, the light signal output end of optical transmission circuit connects the signal input part of uploading of fiber optic cables, fiber optic cables issue signal input part, upload signal output part and be used to connect the transformer station centralized control center.
Optical receiving circuit receives to be delivered to the signal transformation judging unit behind the operating control signal that issues from the transformer station centralized control center and handles, and the corresponding signal after the signal transformation judging unit is handled drives high-pressure side neutral point isolator operation control unit, medium voltage side neutral point isolator operation control unit, high-pressure side breaker operator control unit, medium voltage side breaker operator control unit, low-pressure side breaker operator control unit and carries out corresponding actions; The current corresponding state signal conveys of high-pressure side neutral point isolator operation control unit, medium voltage side neutral point isolator operation control unit, high-pressure side breaker operator control unit, medium voltage side breaker operator control unit, low-pressure side breaker operator control unit is to optical transmission circuit, upload to the transformer station centralized control center, make the operating personnel of transformer station centralized control center can grasp current state in real time, in case take place unusual so that in time respond and safeguard.
So as seen, when controlled main transformer equipment need drop into or withdraw from operation, operating personnel can carry out the remote control operation in the transformer station centralized control center, and the electrician does not need device context.After controlled main transformer equipment state changes, be delivered to optical transmission circuit immediately, the corresponding state signal be sent to the transformer station centralized control center by fiber optic cables.
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-pressure side neutral point isolator operation control signal output ends of carrying out signal drive circuit connects the signal input end of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolator operation control signal output ends of carrying out signal drive circuit connects the signal input end of medium voltage side neutral point isolator operation control unit, the high-pressure side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of high-pressure side breaker operator control unit, the medium voltage side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of medium voltage side breaker operator control unit, and the low-pressure side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of low-pressure side breaker operator control unit.
Described execution signal drive circuit comprises high-pressure side neutral point isolator operation control relay, medium voltage side neutral point isolator operation control relay, high-pressure side breaker operator control relay, medium voltage side breaker operator control relay, low-pressure side breaker operator control relay, the switching action of neutral point isolator operation control relay control high-pressure side, high-pressure side neutral point isolator operation control unit, the switching action of medium voltage side neutral point isolator operation control relay control medium voltage side neutral point isolator operation control unit, the switching action of breaker operator control relay control high-pressure side, high-pressure side breaker operator control unit, the switching action of medium voltage side breaker operator control relay control medium voltage side breaker operator control unit, the switching action of low-pressure side breaker operator control relay control low-pressure side breaker operator control unit.
The A/D translation circuit is sent into the calculating decision circuitry and is judged that judging result signal is delivered to the execution signal drive circuit after the signal that receives is carried out the A/D conversion, to drive the operation of corresponding operating control unit control transformer switching.
As Fig. 4, described high-pressure side neutral point isolator operation control unit comprises in the first relay K GZ, the signal transformation decision circuitry high-pressure side neutral point isolator operation control relay make contact K1 that carries out signal drive circuit, and the be in series series circuit of formation of the high-pressure side neutral point isolator operation control relay make contact K1 that carries out signal drive circuit in the coil of the first relay K GZ and the signal transformation decision circuitry is connected on the power supply;
After carrying out the high-pressure side neutral point isolator operation control relay action of signal drive circuit in the signal transformation decision circuitry, high-pressure side neutral point isolating switch divides automatically, closing operation, and the status signal behind high-pressure side neutral point isolating switch branch, the closing operation sends the transformer station centralized control center to by optical transmission circuit, fiber optic cables.
As Fig. 5, described medium voltage side neutral point isolator operation control unit comprises in the second relay K ZZ, the signal transformation decision circuitry medium voltage side neutral point isolator operation control relay make contact K2 that carries out signal drive circuit, and the be in series series circuit of formation of the medium voltage side neutral point isolator operation control relay make contact K2 that carries out signal drive circuit in the coil of the second relay K ZZ and the signal transformation decision circuitry is connected on the power supply;
After described height, medium voltage side neutral point isolator operation control unit obtain branch, energization control signal, height, medium voltage side neutral point isolating switch divide respectively automatically, closing operation, afterwards, height, the branch of medium voltage side neutral point isolating switch, "on" position signal send the transformer station centralized control center to through optical transmission circuit.
As Fig. 6, described high-pressure side breaker operator control unit comprises the 3rd relay K G, the first make contact KD1 of the 4th relay K D in the high-pressure side breaker operator control relay make contact K3 of execution signal drive circuit and the low-pressure side breaker operator control unit in the signal transformation decision circuitry, the first make contact KD1 of the 4th relay K D constitutes parallel circuits in the high-pressure side breaker operator control relay make contact K3 that carries out signal drive circuit in the signal transformation decision circuitry and the low-pressure side breaker operator control unit, and the be in series series circuit of formation of the coil of this parallel circuits and the 3rd relay K G is connected on the power supply;
After described high-pressure side breaker operator control unit obtained branch, energization control signal, the high-pressure side circuit breaker divided automatically, closing operation, and afterwards, the branch of high-pressure side circuit breaker, "on" position signal send the transformer station centralized control center to through optical transmission circuit.
As Fig. 7, described low-pressure side breaker operator control unit comprises the 4th relay K D, the make contact KZ1 of the 5th relay K Z in the low-pressure side breaker operator control relay make contact K4 of execution signal drive circuit and the medium voltage side breaker operator control unit in the signal transformation decision circuitry, the make contact KG1 of the 3rd relay K G in the breaker operator control unit of high-pressure side, the make contact KZ1 that carries out the 5th relay K Z in the low-pressure side breaker operator control relay make contact K4 of signal drive circuit and the medium voltage side breaker operator control unit in the signal transformation decision circuitry is in parallel the coil of this parallel circuits and the 4th relay K D, the series circuit that the make contact KG1 of the 3rd relay K G is in series in the breaker operator control unit of high-pressure side is connected on the power supply;
After described low-pressure side breaker operator control unit obtained branch, energization control signal, the low-pressure side circuit breaker divided automatically, closing operation, and afterwards, the branch of low-pressure side circuit breaker, "on" position signal send the transformer station centralized control center to through optical transmission circuit.
As Fig. 8, described medium voltage side breaker operator control unit comprises the series circuit that the second make contact KD2 by the 4th relay K D in medium voltage side breaker operator control relay make contact K5 that carries out signal drive circuit in the 5th relay K Z, the signal transformation decision circuitry and the low-pressure side breaker operator control unit constitutes, and this series circuit is connected on the power supply.
After described medium voltage side breaker operator control unit obtained branch, energization control signal, the medium voltage side circuit breaker divided automatically, closing operation, and afterwards, the branch of medium voltage side circuit breaker, "on" position signal send the transformer station centralized control center to through optical transmission circuit.
Transformer send electric operation sequence, driving earlier is high, medium voltage side neutral point isolating switch closes, close the high-pressure side circuit breaker again, close the low-pressure side circuit breaker afterwards, close the medium voltage side circuit breaker at last again, after closing, high and low, medium voltage side circuit breaker disconnects high, medium voltage side neutral point isolating switch, the high-pressure side circuit breaker does not conform to, and low, medium voltage side circuit breaker does not close, and high, medium and low voltage side circuit breaker has interlock function.
Transformer power failure operation sequence, driving earlier is high, medium voltage side neutral point isolating switch closes, stop medium voltage side circuit breaker and low-pressure side circuit breaker again, stop the high-pressure side circuit breaker afterwards again, disconnect high, medium voltage side neutral point isolating switch at last, in, the low-pressure side circuit breaker do not stop, the high-pressure side circuit breaker can stop any more, high, medium and low voltage side circuit breaker has 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. 220kV transformer station three winding main transformer remote operation control device, it is characterized in that: comprise the optical fiber communication unit, the signal transformation judging unit, high-pressure side neutral point isolator operation control unit, medium voltage side neutral point isolator operation control unit, high-pressure side breaker operator control unit, medium voltage side breaker operator control unit, low-pressure side breaker operator 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-pressure side neutral point isolator operation control signal output ends of signal transformation judging unit connects the signal input end of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolator operation control signal output ends of signal transformation judging unit connects the signal input end of medium voltage side neutral point isolator operation control unit, the high-pressure side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of high-pressure side breaker operator control unit, the medium voltage side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of medium voltage side breaker operator control unit, and the low-pressure side breaker operator control signal output ends of signal transformation judging unit connects the signal input end of low-pressure side breaker operator control unit;
The high-pressure side neutral point isolating switch status signal input of optical transmission circuit connects the status signal output of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolating switch status signal input of optical transmission circuit connects the status signal output of medium voltage side neutral point isolator operation control unit, the high-pressure side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of high-pressure side breaker operator control unit, the medium voltage side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of medium voltage side breaker operator control unit, the low-pressure side circuit-breaker status signal input part of optical transmission circuit connects the status signal output of low-pressure side breaker operator control unit, the light signal output end of optical transmission circuit connects the signal input part of uploading of fiber optic cables, fiber optic cables issue signal input part, upload signal output part and be used to connect the transformer station centralized control center.
2. 220kV as claimed in claim 1 transformer station three winding main transformer remote operation control device, 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-pressure side neutral point isolator operation control signal output ends of carrying out signal drive circuit connects the signal input end of high-pressure side neutral point isolator operation control unit, the medium voltage side neutral point isolator operation control signal output ends of carrying out signal drive circuit connects the signal input end of medium voltage side neutral point isolator operation control unit, the high-pressure side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of high-pressure side breaker operator control unit, the medium voltage side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of medium voltage side breaker operator control unit, and the low-pressure side breaker operator control signal output ends of carrying out signal drive circuit connects the signal input end of low-pressure side breaker operator control unit.
3. 220kV as claimed in claim 2 transformer station three winding main transformer remote operation control device, it is characterized in that: described execution signal drive circuit comprises high-pressure side neutral point isolator operation control relay, medium voltage side neutral point isolator operation control relay, high-pressure side breaker operator control relay, medium voltage side breaker operator control relay, low-pressure side breaker operator control relay, the switching action of neutral point isolator operation control relay control high-pressure side, high-pressure side neutral point isolator operation control unit, the switching action of medium voltage side neutral point isolator operation control relay control medium voltage side neutral point isolator operation control unit, the switching action of breaker operator control relay control high-pressure side, high-pressure side breaker operator control unit, the switching action of medium voltage side breaker operator control relay control medium voltage side breaker operator control unit, the switching action of low-pressure side breaker operator control relay control low-pressure side breaker operator control unit.
4. 220kV as claimed in claim 3 transformer station three winding main transformer remote operation control device, it is characterized in that: described high-pressure side neutral point isolator operation control unit comprises in first relay, the signal transformation decision circuitry high-pressure side neutral point isolator operation control relay make contact of carrying out signal drive circuit, and the be in series series circuit of formation of the high-pressure side neutral point isolator operation control relay make contact of carrying out signal drive circuit in the coil of first relay and the signal transformation decision circuitry is connected on the power supply;
Described medium voltage side neutral point isolator operation control unit comprises in second relay, the signal transformation decision circuitry medium voltage side neutral point isolator operation control relay make contact of carrying out signal drive circuit, and the be in series series circuit of formation of the medium voltage side neutral point isolator operation control relay make contact of carrying out signal drive circuit in the coil of second relay and the signal transformation decision circuitry is connected on the power supply;
Described high-pressure side breaker operator control unit comprises the 3rd relay, first make contact of the 4th relay in the high-pressure side breaker operator control relay make contact of execution signal drive circuit and the low-pressure side breaker operator control unit in the signal transformation decision circuitry, first make contact of the 4th relay constitutes parallel circuits in the high-pressure side breaker operator control relay make contact of carrying out signal drive circuit in the signal transformation decision circuitry and the low-pressure side breaker operator control unit, and the be in series series circuit of formation of the coil of this parallel circuits and the 3rd relay is connected on the power supply;
Described low-pressure side breaker operator control unit comprises the 4th relay, the make contact of the 5th relay in the low-pressure side breaker operator control relay make contact of execution signal drive circuit and the medium voltage side breaker operator control unit in the signal transformation decision circuitry, the make contact of the 3rd relay in the breaker operator control unit of high-pressure side, the make contact of carrying out the 5th relay in the low-pressure side breaker operator control relay make contact of signal drive circuit and the medium voltage side breaker operator control unit in the signal transformation decision circuitry is in parallel the coil of this parallel circuits and the 4th relay, the series circuit that the make contact of the 3rd relay is in series in the breaker operator control unit of high-pressure side is connected on the power supply;
Described medium voltage side breaker operator control unit comprises the series circuit that second make contact by the 4th relay in the medium voltage side breaker operator control relay make contact of carrying out signal drive circuit in the 5th relay, the signal transformation decision circuitry and the low-pressure side breaker operator control unit constitutes, and this series circuit is connected on the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201545248U CN202026158U (en) | 2011-05-16 | 2011-05-16 | 220kV substation three-winding main transformer remote operation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201545248U CN202026158U (en) | 2011-05-16 | 2011-05-16 | 220kV substation three-winding main transformer remote operation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202026158U true CN202026158U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201545248U Expired - Fee Related CN202026158U (en) | 2011-05-16 | 2011-05-16 | 220kV substation three-winding main transformer remote operation control device |
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| Country | Link |
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| CN (1) | CN202026158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195357A (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 three-winding main transformer of 220kV transformer substation |
-
2011
- 2011-05-16 CN CN2011201545248U patent/CN202026158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195357A (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 three-winding main transformer of 220kV transformer substation |
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