CN206685974U - A kind of power plant protective relaying device remote diagnosis system - Google Patents

A kind of power plant protective relaying device remote diagnosis system Download PDF

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Publication number
CN206685974U
CN206685974U CN201720394845.2U CN201720394845U CN206685974U CN 206685974 U CN206685974 U CN 206685974U CN 201720394845 U CN201720394845 U CN 201720394845U CN 206685974 U CN206685974 U CN 206685974U
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CN
China
Prior art keywords
protective relaying
relaying device
power plant
optical
diagnosis system
Prior art date
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Active
Application number
CN201720394845.2U
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Chinese (zh)
Inventor
包震洲
张长伟
舒锦宏
陈顶灵
王萍燕
吴建新
吕悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guo Wang Jinshuitan Hydroelectric Generating Station Zhejiang Electric Power Co
State Grid Corp of China SGCC
Jinshuitan Hydropower Plant of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Guo Wang Jinshuitan Hydroelectric Generating Station Zhejiang Electric Power Co
State Grid Corp of China SGCC
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Publication date
Application filed by Guo Wang Jinshuitan Hydroelectric Generating Station Zhejiang Electric Power Co, State Grid Corp of China SGCC filed Critical Guo Wang Jinshuitan Hydroelectric Generating Station Zhejiang Electric Power Co
Priority to CN201720394845.2U priority Critical patent/CN206685974U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7838
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Abstract

The utility model discloses a kind of power plant protective relaying device remote diagnosis system.It includes monitor terminal, monitoring management machine, first data transmission circuit and several second data transmission links, first data transmission circuit includes the first interchanger, second switch and the first interchanger of connection and the optical cable of second switch, first interchanger is connected by netting twine with the protective relaying device in low-pressure chamber, second switch is connected by netting twine with monitoring management machine, second data transmission link includes the first optical-electrical converter, second optical-electrical converter and the optical cable of the first optical-electrical converter of connection and the second optical-electrical converter, each first optical-electrical converter is connected by serial data line protective relaying device corresponding with Dynamo Room, second optical-electrical converter is connected by serial data line with monitoring management machine.The utility model can be in remote real-time monitoring power plant protective relaying device whether normal work, find the failure of protective relaying device in time.

Description

A kind of power plant protective relaying device remote diagnosis system
Technical field
It the utility model is related to power relay protection device preservation & testing technical field, more particularly to a kind of power plant relay Protection device remote diagnosis system.
Background technology
Protective relaying device, which can break down in power system or quickly cut off during abnormal condition, failure and reduces thing Therefore scope, ensure the safe operation of power system.In During Process of Long-term Operation, the detection function and accuracy of protective relaying device Can change, it is necessary to site inspection or by periodic inspection can judgment means it is whether normal, while relay protection Check that action report is also required to field print after device action, be all the relay gone to by operation maintenance personnel in power plant at present Protection device position check equipment whether normal operation, it is very inconvenient, and can not monitor in real time.
The content of the invention
The purpose of this utility model is to overcome the protective relaying device in generation current factory to use artificial regular visit, very not It is convenient, and the technical problem that can not be monitored in real time, there is provided a kind of power plant protective relaying device remote diagnosis system, it can Protective relaying device in remote real-time monitoring power plant whether normal work, find the failure of protective relaying device in time, protect Hinder the safe operation of power system.
A kind of power plant protective relaying device remote diagnosis system of the present utility model, including monitor terminal, monitoring management Machine, first data transmission circuit and several second data transmission links, first data transmission circuit include the first interchanger, the Two interchangers and the first interchanger of connection and the optical cable of second switch, first interchanger are low with power plant by netting twine Protective relaying device connection in pressure chamber, the second switch are connected by netting twine with monitoring management machine, second data Transmission line includes the first optical-electrical converter, the second optical-electrical converter and the first optical-electrical converter of connection and the second opto-electronic conversion The optical cable of device, each first optical-electrical converter are filled by serial data line with the corresponding relay protection in power plant Dynamo Room Connection is put, the second optical-electrical converter is connected by serial data line with monitoring management machine, the monitoring management machine and monitor terminal Electrical connection.
In the technical program, the protective relaying device in power plant low-pressure chamber passes through first data transmission circuit and monitoring Supervisor communicates, and the protective relaying device in power plant Dynamo Room passes through corresponding second data transmission link and monitoring management Machine is communicated, and monitoring management machine can be in communication with each other with monitor terminal.
The protective relaying device in protective relaying device and power plant Dynamo Room in power plant low-pressure chamber receives prison After surveying the diagnostic instruction that supervisor is sent, the operating mode of itself, component temperature, electric current, voltage data are reported into monitoring management Machine, monitoring management machine analyze these data the data forwarding received to monitor terminal, monitor terminal, when find certain During item data exception, send warning information notice operation maintenance personnel and overhaul in time.
Protective relaying device and the second data transmission link in power plant Dynamo Room are one-to-one relationships, and second counts Corresponded according to the serial ports of transmission line and monitoring management machine, the second optical-electrical converter of each second data transmission link passes through Serial data line connects with corresponding serial ports so that is independent of each other between each protective relaying device.In power plant low-pressure chamber Protective relaying device accesses the first interchanger by netting twine, and each protective relaying device has specific ip addresses, monitoring management Machine carries out telecommunication management to each protective relaying device respectively by ip addresses.Protective relaying device in power plant Dynamo Room For SEL300G protective relaying devices or SEL351 protective relaying devices, the protective relaying device in power plant low-pressure chamber is SEL351 protective relaying devices.
Preferably, the monitor terminal includes server, display screen and control keyboard, the server respectively with display Screen, control keyboard and monitoring management mechatronics.Server is provided with physical isolation apparatus.
Preferably, the monitor terminal also includes the first wireless communication module, first wireless communication module and clothes Business device electrical connection.User can obtain protective relaying device by the intelligent terminals such as mobile phone, computer and monitor terminal radio communication Data.
Preferably, the monitor terminal also includes alarm module, the alarm module electrically connects with server.Alarm mould Block can send sound and light alarm.
Preferably, the monitor terminal also includes thermal printer, the thermal printer electrically connects with server.Heat Quick printer is used to print testing result, protective relaying device action report etc..
Preferably, a kind of power plant protective relaying device remote diagnosis system also includes what is carried for operation maintenance personnel Intelligent terminal, the intelligent terminal include controller, touch-screen and the second wireless communication module, the controller respectively with touch Screen and the electrical connection of the second wireless communication module.Intelligent terminal can with monitor terminal radio communication, when monitor terminal detects relay During protection device failure, relevant information is sent to the intelligent terminal of corresponding operation maintenance personnel, notice operation maintenance personnel is overhauled in time.
Preferably, a kind of power plant protective relaying device remote diagnosis system also includes being arranged on each relay guarantor Radiofrequency launcher on protection unit, the intelligent terminal also include radio frequency receiver, and the radio frequency receiver is electrically connected with controller Connect.When operation maintenance personnel is near some protective relaying device, intelligent terminal for reception with operation maintenance personnel to the relay protection The radiofrequency signal that radiofrequency launcher on device is sent(Identity information with the protective relaying device), and transfer it to prison Control terminal, monitor terminal judge operation maintenance personnel near the protective relaying device.Whether it is easy to monitor terminal monitoring operation maintenance personnel Rush at the protective relaying device of failure and overhaul in time, or nearest operation maintenance personnel can be notified in protective relaying device failure Go to maintenance.
The beneficial effects of the utility model are:Whether protective relaying device that can be in remote real-time monitoring power plant is normal Work, the failure of protective relaying device is found in time, ensures the safe operation of power system.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of circuit theory connection block diagram of monitor terminal;
Fig. 3 is a kind of circuit theory connection block diagram of intelligent terminal.
In figure:1st, monitor terminal, 2, monitoring management machine, 3, first data transmission circuit, the 4, second data transmission link, 5, First interchanger, 6, second switch, the 7, first optical-electrical converter, the 8, second optical-electrical converter, 9, server, 10, display screen, 11st, control keyboard, the 12, first wireless communication module, 13, controller, 14, touch-screen, the 15, second wireless communication module, 16, penetrate Frequency receiver, 17, protective relaying device, 18, alarm module, 19, thermal printer.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment:A kind of power plant protective relaying device remote diagnosis system of the present embodiment, as shown in figure 1, including prison Control terminal 1, monitoring management machine 2, first data transmission circuit 3 and several second data transmission links 4, first data transmission line Road 3 includes the first interchanger 5, second switch 6 and the first interchanger 5 of connection and the optical cable of second switch 6, and first exchanges Machine 5 is connected by netting twine with the protective relaying device 17 in power plant low-pressure chamber, and second switch 6 passes through netting twine and monitoring management Machine 2 connects, and the second data transmission link 4 includes the first photoelectricity of the first optical-electrical converter 7, the second optical-electrical converter 8 and connection The optical cable of the optical-electrical converter 8 of converter 7 and second, each first optical-electrical converter 7 are generated electricity by serial data line and power plant Corresponding protective relaying device 17 in machine room is connected, and the second optical-electrical converter 8 is connected by serial data line and monitoring management machine 2 Connect, monitoring management machine 2 electrically connects with monitor terminal 1.
Protective relaying device in power plant low-pressure chamber is communicated by first data transmission circuit with monitoring management machine, is generated electricity Protective relaying device in factory's Dynamo Room is communicated by corresponding second data transmission link with monitoring management machine, monitoring management Machine can be in communication with each other with monitor terminal.
The protective relaying device in protective relaying device and power plant Dynamo Room in power plant low-pressure chamber receives prison After surveying the diagnostic instruction that supervisor is sent, the operating mode of itself, component temperature, electric current, voltage data are reported into monitoring management Machine, monitoring management machine analyze these data the data forwarding received to monitor terminal, monitor terminal, when find certain During item data exception, send warning information notice operation maintenance personnel and overhaul in time.
Protective relaying device and the second data transmission link in power plant Dynamo Room are one-to-one relationships, and second counts Corresponded according to the serial ports of transmission line and monitoring management machine, the second optical-electrical converter of each second data transmission link passes through Serial data line connects with corresponding serial ports so that is independent of each other between each protective relaying device.In power plant low-pressure chamber Protective relaying device accesses the first interchanger by netting twine, and each protective relaying device has specific ip addresses, monitoring management Machine carries out telecommunication management to each protective relaying device respectively by ip addresses.Protective relaying device in power plant Dynamo Room For SEL300G protective relaying devices or SEL351 protective relaying devices, the protective relaying device in power plant low-pressure chamber is SEL351 protective relaying devices.Monitoring management machine is SEL-3530 supervisors, using embedded hardware system, the serial ports carried and Network interface, the communication protocol of use is sel stipulations.
As shown in Fig. 2 monitor terminal 1 includes server 9, display screen 10, control keyboard 11, the first wireless communication module 12nd, alarm module 18 and thermal printer 19, server 9 respectively with display screen 10, control keyboard 11, the first wireless communication module 12nd, alarm module 18 and thermal printer 19 and monitoring management machine 2 electrically connect.Server is provided with physical isolation apparatus, mould of alarming Block can send sound and light alarm, and thermal printer is used to print testing result, protective relaying device action report etc., and user can pass through The intelligent terminals such as mobile phone, computer and monitor terminal radio communication, obtain the data of protective relaying device.
As shown in figure 3, power plant protective relaying device remote diagnosis system also includes being arranged on each protective relaying device On radiofrequency launcher and for operation maintenance personnel carry intelligent terminal, intelligent terminal include controller 13, touch-screen 14, the second nothing Line communication module 15 and radio frequency receiver 16, controller 13 connect with touch-screen 14, the second wireless communication module 15 and radio frequency respectively Device 16 is received to electrically connect.
Intelligent terminal can with monitor terminal radio communication, when monitor terminal detects protective relaying device failure, by phase The intelligent terminal that information is sent to corresponding operation maintenance personnel is closed, notice operation maintenance personnel is overhauled in time.When operation maintenance personnel is in some relay When near protection device, what the radiofrequency launcher in intelligent terminal for reception to the protective relaying device with operation maintenance personnel was sent Radiofrequency signal(Identity information with the protective relaying device), and monitor terminal is transferred it to, monitor terminal judges O&M Personnel are near the protective relaying device.It is easy to whether monitor terminal monitoring operation maintenance personnel rushes to the relay protection dress of failure in time Place's maintenance is put, or in protective relaying device failure nearest operation maintenance personnel can be notified to go to maintenance.

Claims (7)

  1. A kind of 1. power plant protective relaying device remote diagnosis system, it is characterised in that:Including monitor terminal(1), monitoring management Machine(2), first data transmission circuit(3)With several the second data transmission links(4), first data transmission circuit(3)Including First interchanger(5), second switch(6)And the first interchanger of connection(5)And second switch(6)Optical cable, described One interchanger(5)Pass through the protective relaying device in netting twine and power plant low-pressure chamber(17)Connection, the second switch(6)It is logical Cross netting twine and monitoring management machine(2)Connection, second data transmission link(4)Including the first optical-electrical converter(7), the second light Electric transducer(8)And the first optical-electrical converter of connection(7)With the second optical-electrical converter(8)Optical cable, each first photoelectricity turn Parallel operation(7)Pass through serial data line and the corresponding protective relaying device in power plant Dynamo Room(17)Connection, the second photoelectricity Converter(8)Pass through serial data line and monitoring management machine(2)Connection, the monitoring management machine(2)With monitor terminal(1)It is electrically connected Connect.
  2. A kind of 2. power plant protective relaying device remote diagnosis system according to claim 1, it is characterised in that:The prison Control terminal(1)Including server(9), display screen(10)And control keyboard(11), the server(9)Respectively with display screen (10), control keyboard(11)With monitoring management machine(2)Electrical connection.
  3. A kind of 3. power plant protective relaying device remote diagnosis system according to claim 2, it is characterised in that:The prison Control terminal(1)Also include the first wireless communication module(12), first wireless communication module(12)With server(9)It is electrically connected Connect.
  4. A kind of 4. power plant protective relaying device remote diagnosis system according to Claims 2 or 3, it is characterised in that:Institute State monitor terminal(1)Also include alarm module(18), the alarm module(18)With server(9)Electrical connection.
  5. A kind of 5. power plant protective relaying device remote diagnosis system according to Claims 2 or 3, it is characterised in that:Institute State monitor terminal(1)Also include thermal printer(19), the thermal printer(19)With server(9)Electrical connection.
  6. A kind of 6. power plant protective relaying device remote diagnosis system according to claim 3, it is characterised in that:Also include The intelligent terminal carried for operation maintenance personnel, the intelligent terminal include controller(13), touch-screen(14)With the second radio communication Module(15), the controller(13)Respectively with touch-screen(14)With the second wireless communication module(15)Electrical connection.
  7. A kind of 7. power plant protective relaying device remote diagnosis system according to claim 6, it is characterised in that:Also include It is arranged on each protective relaying device(17)On radiofrequency launcher, the intelligent terminal also includes radio frequency receiver(16), institute State radio frequency receiver(16)With controller(13)Electrical connection.
CN201720394845.2U 2017-04-16 2017-04-16 A kind of power plant protective relaying device remote diagnosis system Active CN206685974U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720394845.2U CN206685974U (en) 2017-04-16 2017-04-16 A kind of power plant protective relaying device remote diagnosis system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720394845.2U CN206685974U (en) 2017-04-16 2017-04-16 A kind of power plant protective relaying device remote diagnosis system

Publications (1)

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132435A (en) * 2017-04-16 2017-09-05 国网浙江省电力公司紧水滩水力发电厂 A kind of power plant protective relaying device remote diagnosis system and diagnostic method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107132435A (en) * 2017-04-16 2017-09-05 国网浙江省电力公司紧水滩水力发电厂 A kind of power plant protective relaying device remote diagnosis system and diagnostic method

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