CN205610339U - Transformer intelligent monitoring system - Google Patents
Transformer intelligent monitoring system Download PDFInfo
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- CN205610339U CN205610339U CN201620108959.1U CN201620108959U CN205610339U CN 205610339 U CN205610339 U CN 205610339U CN 201620108959 U CN201620108959 U CN 201620108959U CN 205610339 U CN205610339 U CN 205610339U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 229940052961 longrange Drugs 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Protection Of Transformers (AREA)
Abstract
The utility model discloses a transformer intelligent monitoring system, including the central server that disposes intelligent monitoring appearance on every transformer, carries out the communication with the intelligent monitoring appearance, the intelligent monitoring appearance is by temperature sensor, temperature signal converting circuit, and zero sequence current transformer, current signal converting circuit, central processing unit, temperature and electrical parameter display circuit, the fan control circuit, alarm relay output circuit, tripping relay output circuit, temperature signal 1 output circuit and long -range temperature signal 3 temperature signal 4 form. The utility model discloses a transformer intelligent monitoring system can realize the environment humiture to transformer electrical room, the transformer core temperature, and the transformer coil temperature, transformer load unbalance rate monitors, can promptly and accurately monitor the running state of transformer, and report to the police and the action is controlled in tripping operation etc. To the transformer, starts and close down the operation the fan of transformer to the normal safe operation of assurance system.
Description
Technical field
This utility model relates to transformer technology field, particularly relates to a kind of intelligent transformer monitoring system.
Background technology
Transformator is the visual plant of power system, and safety, the economical operation of power system are significant by its reliability service, once break down, and usually can cause serious economic loss, even destroy stablizing of operation of power networks.
The existing monitor mode of transformator is temperature controller, only for the temperature of display transformator, and according to transformer temperature situation output alarm signal or trip signal.
Prior art has following two aspect shortcomings: 1) monitoring parameter is single, and only transformer body temperature, not to ambient temperature, transformer load situation is monitored；2) existing monitor mode is the single pair of list local operation of one temperature control of each matched transformer, it is impossible to carry out remotely and the monitoring of system with all transformators of electric unit one at central machine room.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of intelligent transformer monitoring system is provided, the ambient temperature and humidity to transformator electricity room can be realized, transformer core temperature, transformer coil temperature, transformer load unbalance factor is monitored, the blower fan of transformator can be started, the operation such as stopping, monitoring parameter is various, it is ensured that transformator properly functioning.
For solving above technical problem, this utility model embodiment provides a kind of intelligent transformer monitoring system, including the intelligent controller being configured on every transformator, with the central server that described intelligent controller carries out communication, described intelligent controller is by temperature sensor, temperature signal change-over circuit, zero sequence current mutual inductor, current signal change-over circuit, central processing unit, temperature and electrical quantity display circuit, draught fan control circuit, alarm relay output circuit, tripping relay output circuit, analog current output circuit and remote input output interface circuit are formed by connecting.
Further, described central server is provided with monitoring programme, and monitoring programme includes that parameter is arranged, temperature shows, event query, air-blower control and digital output modul.
Further, described temperature sensor includes the room temperature sensor of transformator electricity, transformer coil temperature sensor, transformer core temperature sensor；Described temperature signal change-over circuit includes transformator electricity room temperature signal change-over circuit, transformer coil temperature signal change-over circuit, transformer core temperature signal change-over circuit.
As the improvement of technique scheme, the signal input of transformator electricity room ambient temperature is made up of the room temperature sensor of transformator electricity and transformator electricity room temperature signal change-over circuit, and is connected with central processing unit.
As the improvement of technique scheme, the signal input of transformator A, B, C three-phase coil temperature is made up of transformer coil temperature sensor and transformer coil temperature signal change-over circuit, and is connected with central processing unit.
As the improvement of technique scheme, the signal input of transformer core temperature is made up of transformer core temperature sensor and transformer core temperature signal change-over circuit, and is connected with central processing unit.
Further, Three-Phase Transformer unbalance factor is realized by the zero-sequence current value of monitoring transformator, and the signal input of Three-Phase Transformer unbalance factor is made up of described zero sequence current mutual inductor and current signal change-over circuit.
Further, the blower fan of transformator is started and stops to control by described draught fan control circuit.
Further, described alarm relay output circuit arranges the ABC three-phase coil temperature of transformator, iron core temperature and the alarm temperature value of electricity room temperature, and can be by the trip command of remote input tripping relay output circuit.
Preferably, described intelligent controller can carry out communication by RS485 circuit, cable network, wireless network, optical fiber or GPRS network with the communication modes of central server.
The intelligent transformer monitoring system that this utility model embodiment provides can realize the ambient temperature to transformator electricity room, transformer core temperature, transformer coil temperature, transformer load unbalance factor is monitored, the running status of transformator can be monitored timely and accurately, when transformer temperature is too high, the blower fan of transformator can be started, the operations such as stopping, when transformator breaks down, communication is carried out by intelligent controller and central server, concentrated by central server and be controlled, Rapid Alarm and the excision of faulty line, central server can realize the storage of monitoring parameter, display, statistics, transformator can be reported to the police and the control action such as tripping operation, thus ensure that the normal safe of system runs, practical；Employing automatically controls, and makes transformer temperature be in normal temperature range, it is ensured that the safe operation of transformator, effectively monitor whole one in time fault indicated with all transformators of electric unit and report to the police, intelligent management, reduce the burden of manager, save administrative effort.
Accompanying drawing explanation
Fig. 1 is the connection block diagram of the intelligent transformer monitoring system that this utility model provides.
Fig. 2 is the monitor feature exploded view of the intelligent transformer monitoring system that this utility model provides.
Fig. 3 is the concrete connection line figure of the intelligent controller of the intelligent transformer monitoring system that this utility model provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
See Fig. 1 to Fig. 3, be the structural representation of the intelligent transformer monitoring system that this utility model provides.
The present embodiment provides a kind of intelligent transformer monitoring system, including the intelligent controller 10 being configured on every transformator, with the central server 100 that described intelligent controller 10 carries out communication, described intelligent controller 10 is by temperature sensor 20, temperature signal change-over circuit 30, zero sequence current mutual inductor 40, current signal change-over circuit 41, central processing unit 50, temperature and electrical quantity display circuit 60, draught fan control circuit 70, alarm relay output circuit 80, tripping relay output circuit 81, analog current output circuit 90 and remote input output interface circuit 91 are formed by connecting.The connected mode that Fig. 1 is used is RS485 communication, and described intelligent controller 10 can carry out communication by RS485 circuit, cable network, wireless network, optical fiber or GPRS network with the communication modes of central server 100.Intelligent controller 10 is multiple according to the quantity of transformator, respectively intelligent controller 10, intelligent controller 11 intelligent controller 12,, intelligent controller 1n.
As in figure 2 it is shown, described central server 100 is provided with monitoring programme, monitoring programme includes that parameter is arranged, temperature shows, event query, air-blower control and digital output modul.
Wherein, described temperature sensor 20 includes transformator electricity room temperature sensor 21, transformer coil temperature sensor 22, transformer core temperature sensor 23；Described temperature signal change-over circuit 30 includes transformator electricity room temperature signal change-over circuit 31, transformer coil temperature signal change-over circuit 32, transformer core temperature signal change-over circuit 33.The signal input of transformator electricity room ambient temperature is made up of transformator electricity room temperature sensor 21 and transformator electricity room temperature signal change-over circuit 31；The signal input of transformator A, B, C three-phase coil temperature is made up of transformer coil temperature sensor 22 and transformer coil temperature signal change-over circuit 32；The signal input of transformer core temperature is made up of transformer core temperature sensor 23 and transformer core temperature signal change-over circuit 33, and the signal input of the signal input of transformator electricity room ambient temperature, the signal input of transformator A, B, C three-phase coil temperature and transformer core temperature is all connected with central processing unit 50.
Further, Three-Phase Transformer unbalance factor is realized by the zero-sequence current value of monitoring transformator, and unbalance factor is the highest, and zero-sequence current is the biggest, and zero-sequence current cannot be greater than the 1/3 of transformator rated current.The signal input of Three-Phase Transformer unbalance factor is made up of the external current signal change-over circuit 41 within the zero sequence current mutual inductor 40 and monitor controller that electric current is 0-5A that exports, external zero sequence current mutual inductor 40 is once surveyed and is set in the transformator zero phase copper bar port of export, its secondary surveys the electric current of output 0-5A, is connected to the input of the current signal change-over circuit 41 of intelligent controller；Intelligent controller can arrange zero sequence current mutual inductor no-load voltage ratio value, can arrange zero-sequence current alarming value, and when electric current is more than this value, zero-sequence current alarm relay can close.
The control that the blower fan of transformator can be started and stop by the draught fan control circuit 70 of transformator, and can be with self-defined fan starting temperature, blower fan stops temperature, blower fan cycling service time, manually boots and close blower fan, remote activation and closedown blower fan；Analog current output circuit 90 is according to the 4-20mA current signal of the height output linearity of temperature, and this analog quantity can be used for being shown for the temperature of transformator by ancillary equipment, monitoring；Intelligent controller can arrange the ABC three-phase coil temperature of transformator, iron core temperature and the alarm temperature value of electricity room temperature with self-defined alarm relay output circuit 80.Intelligent controller can self-defined warning output relay closed temperature and can be by the trip command of remote input tripping relay output circuit 81.
The intelligent transformer monitoring system that this utility model embodiment provides can realize the ambient temperature and humidity to transformator electricity room, transformer core temperature, transformer coil temperature, transformer load unbalance factor is monitored, the running status of transformator can be monitored timely and accurately, when transformer temperature is too high, the blower fan of transformator can be started, the operations such as stopping, when transformator breaks down, communication is carried out by intelligent controller and central server, concentrated by central server and be controlled, Rapid Alarm and the excision of faulty line, central server can realize the storage of monitoring parameter, display, statistics, transformator can be reported to the police and the control action such as tripping operation, thus ensure that the normal safe of system runs, practical；Employing automatically controls, and makes transformer temperature be in normal temperature range, it is ensured that the safe operation of transformator, effectively monitor whole one in time fault indicated with all transformators of electric unit and report to the police, intelligent management, reduce the burden of manager, save administrative effort.
The above is preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (5)
1. an intelligent transformer monitoring system, it is characterized in that, the central server of communication is carried out including the intelligent controller being configured on every transformator and described intelligent controller, described intelligent controller is by temperature sensor, temperature signal change-over circuit, zero sequence current mutual inductor, current signal change-over circuit, central processing unit, temperature and electrical quantity display circuit, draught fan control circuit, alarm relay output circuit, tripping relay output circuit, analog current output circuit and remote input output interface circuit are formed by connecting；Described temperature sensor includes the room temperature sensor of transformator electricity, transformer coil temperature sensor, transformer core temperature sensor；Described temperature signal change-over circuit includes transformator electricity room temperature signal change-over circuit, transformer coil temperature signal change-over circuit, transformer core temperature signal change-over circuit；The signal input of transformator electricity room ambient temperature is made up of the room temperature sensor of transformator electricity and transformator electricity room temperature signal change-over circuit, and is connected with central processing unit；The signal input of transformator A, B, C three-phase coil temperature is made up of transformer coil temperature sensor and transformer coil temperature signal change-over circuit, and is connected with central processing unit；The signal input of transformer core temperature is made up of transformer core temperature sensor and transformer core temperature signal change-over circuit, and is connected with central processing unit.
2. intelligent transformer monitoring system as claimed in claim 1, it is characterized in that, Three-Phase Transformer unbalance factor is realized by the zero-sequence current value of monitoring transformator, and the signal input of Three-Phase Transformer unbalance factor is made up of described zero sequence current mutual inductor and current signal change-over circuit.
3. intelligent transformer monitoring system as claimed in claim 1, it is characterised in that the blower fan of transformator is started and stop to control by described draught fan control circuit.
4. intelligent transformer monitoring system as claimed in claim 1, it is characterized in that, described alarm relay output circuit arranges the ABC three-phase coil temperature of transformator, iron core temperature and the alarm temperature value of electricity room temperature, and can be by the trip command of remote input tripping relay output circuit.
5. intelligent transformer monitoring system as claimed in claim 1, it is characterised in that described intelligent controller can carry out communication by RS485 circuit, cable network, wireless network, optical fiber or GPRS network with the communication modes of central server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108959.1U CN205610339U (en) | 2016-02-03 | 2016-02-03 | Transformer intelligent monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108959.1U CN205610339U (en) | 2016-02-03 | 2016-02-03 | Transformer intelligent monitoring system |
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| CN205610339U true CN205610339U (en) | 2016-09-28 |
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| CN201620108959.1U Active CN205610339U (en) | 2016-02-03 | 2016-02-03 | Transformer intelligent monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070981A (en) * | 2019-05-15 | 2019-07-30 | 华北电力大学（保定） | A kind of optical fiber transformer |
| CN112036742A (en) * | 2020-08-28 | 2020-12-04 | 银云智能科技(广州)有限公司 | Method for evaluating running health state of power distribution room equipment |
| CN112201446A (en) * | 2020-10-09 | 2021-01-08 | 四川天邑康和通信股份有限公司 | A SMD transformer for in router |
| CN112462173A (en) * | 2020-11-11 | 2021-03-09 | 许继变压器有限公司 | Intelligent management system for dry-type transformer |
| CN114069834A (en) * | 2020-08-06 | 2022-02-18 | 基元电气有限公司 | Remote HMI monitoring system for landscape type underground box transformer substation |
-
2016
- 2016-02-03 CN CN201620108959.1U patent/CN205610339U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070981A (en) * | 2019-05-15 | 2019-07-30 | 华北电力大学（保定） | A kind of optical fiber transformer |
| CN114069834A (en) * | 2020-08-06 | 2022-02-18 | 基元电气有限公司 | Remote HMI monitoring system for landscape type underground box transformer substation |
| CN114069834B (en) * | 2020-08-06 | 2024-04-12 | 基元电气有限公司 | Remote HMI (human machine interface) monitoring system for landscape type buried box transformer substation |
| CN112036742A (en) * | 2020-08-28 | 2020-12-04 | 银云智能科技(广州)有限公司 | Method for evaluating running health state of power distribution room equipment |
| CN112036742B (en) * | 2020-08-28 | 2021-06-01 | 银云智能科技(广州)有限公司 | Method for evaluating running health state of power distribution room equipment |
| CN112201446A (en) * | 2020-10-09 | 2021-01-08 | 四川天邑康和通信股份有限公司 | A SMD transformer for in router |
| CN112462173A (en) * | 2020-11-11 | 2021-03-09 | 许继变压器有限公司 | Intelligent management system for dry-type transformer |
| WO2022100351A1 (en) * | 2020-11-11 | 2022-05-19 | 许继变压器有限公司 | Smart management system for dry-type transformer |
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