CN102946089A - Power system relay protection system based on wireless transmission - Google Patents
Power system relay protection system based on wireless transmission Download PDFInfo
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- CN102946089A CN102946089A CN2012104209341A CN201210420934A CN102946089A CN 102946089 A CN102946089 A CN 102946089A CN 2012104209341 A CN2012104209341 A CN 2012104209341A CN 201210420934 A CN201210420934 A CN 201210420934A CN 102946089 A CN102946089 A CN 102946089A
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- wireless
- protection
- merge cells
- switch
- protection device
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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 wireless data transmission
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- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a power system relay protection system based on wireless transmission. The power system relay protection system based on the wireless transmission comprises the following components: (1) an industrial wireless switch; (2) a wireless synchronization clock device; (3) a wireless merging unit device; (4) a wireless intelligent terminal device; and (5) a wireless protection device, wherein the wireless relay protection device comprises a wireless plugin, a management board plugin, a protection plugin, a power plugin and the like. The power system relay protection system based on the wireless transmission, provided by the invention, can effectively reduce building materials such as optical cables, copper cables and the like which are used during secondary wiring in a substation, shortens the construction period, saves the construction investment, reduces a secondary return circuit, prevents locking and misoperation of protection caused by the secondary return circuit problem improves the reliability of the protection system, is convenient to install and debug, and can reduce the workload of maintenance personnel.
Description
Technical field
The invention belongs to field of relay protection in power, be specifically related to a kind of method and system that uses wireless transmission to realize relaying protection.
Background technology
Industrial Wireless is after fieldbus, and another hot spot technology of industrial control field is the revolutionary technology that reduces the industry measurement and control system cost, improves the industry measurement and control system range of application, also is industrial automation coming years product new growth point.Along with the development of technology, that Industrial Wireless has overcome gradually is anti-interference, real time communication, the difficulties such as energy-conservation, is used widely in fields such as transportation, robots.The at present application in power industry not yet is applied in relaying protection more than metering and detection.
The at present relevant secondary device wiring of substation relay protection is complicated, and the cable consumption is large, investment is larger.Main wiring comprises the connection locked loop between CT, PT measuring circuit, on off state, trip(ping) circuit and the protective device; a large amount of secondary connections has also increased construction period and the cost of labor of design, installation, debugging and operation maintenance, has also increased complexity and the failure risk of electrical secondary system wiring simultaneously.
Summary of the invention
For overcoming defects; the invention provides a kind of relay protection of power system system based on wireless transmission; protection blocking and the malfunction that can effectively reduce the building materials such as optical cable that secondary connection in the transformer station uses and copper cable, shorten the construction period, save construction investment, prevents from causing because of the secondary circuit problem, simplify secondary circuit, make things convenient for Installation and Debugging, alleviate attendant's workload.
For achieving the above object, the invention provides a kind of relay protection of power system system based on wireless transmission, it is characterized in that:
Described protection system comprises wireless industrial switch, wireless synchronization clock source, local mounted wireless merge cells device, intelligent wireless terminal installation and wireless protection device;
Described wireless industrial switch is installed in the transformer station, realizes communicating by letter between wireless merge cells device, intelligent wireless terminal and the wireless protection device;
With described wireless synchronization clock source access industrial wireless exchange board, realize the clock synchronous of each wireless merge cells device and protective device;
At voltage transformer, current transformer site wireless merge cells device is installed; Described wireless merge cells device comprises traditional merge cells functional module and wireless receiving/sending module, and voltage or the current signal of synchronous acquisition is sent to the wireless protection device by wireless transport module and wireless industrial switch;
At the circuit breaker site intelligent wireless terminal installation is installed, affiliated intelligent wireless terminal installation comprises traditional intelligence unit functional module and wireless receiving/sending module, the switch position signal that collects is sent to the wireless protection device by wireless transport module and wireless industrial switch, receives simultaneously trip signal and the execution of wireless protection device;
The wireless protection device is realized radio communication by the wireless industrial switch, receiver voltage, electric current, the position of the switch and connection block signal, and send relaying protection alarm and actuating signal, realize complete defencive function.
Compared with the prior art; relay protection of power system system based on wireless transmission provided by the invention; can replace copper cable or optical cable by Radio Transmission Technology; can save the transformer substation construction material; prevent because protection malfunction and the locking that the secondary cable fault causes brings more flexibly application form to Protection Technology.
Description of drawings
Fig. 1 is the relaying protection system structure chart based on wireless transmission;
Fig. 2 is the protective relaying device plug-in unit figure based on wireless transmission;
Fig. 3 is the protective relaying device functional structure chart based on wireless transmission.
Embodiment
Below in conjunction with Figure of description technical scheme of the present invention is described in further detail.
Be illustrated in figure 1 as a kind of power system relay protection device structural representation based on wireless transmission disclosed by the invention.Described protection system comprises wireless industrial switch, wireless synchronization clock source, local mounted wireless merge cells device, intelligent wireless terminal installation and wireless protection device.
Described wireless industrial switch is installed in the transformer station, realizes communicating by letter between wireless merge cells device, intelligent wireless terminal and the wireless protection device;
With described wireless synchronization clock source access industrial wireless exchange board, realize the clock synchronous of each wireless merge cells device and protective device;
At voltage transformer, current transformer site wireless merge cells device is installed; Described wireless merge cells device comprises traditional merge cells functional module and wireless receiving/sending module, and voltage or the current signal of synchronous acquisition is sent to the wireless protection device by wireless transport module and wireless industrial switch;
At the circuit breaker site intelligent wireless terminal installation is installed, affiliated intelligent wireless terminal installation comprises traditional intelligence unit functional module and wireless receiving/sending module, the switch position signal that collects is sent to the wireless protection device by wireless transport module and wireless industrial switch, receives simultaneously trip signal and the execution of wireless protection device;
The wireless protection device is realized radio communication by the wireless industrial switch, receiver voltage, electric current, the position of the switch and connection block signal, and send relaying protection alarm and actuating signal, realize complete defencive function.
The plug-in unit that the wireless protection device should have (module) as shown in Figure 2, the wireless protection device has kept power insert, baffle plug-in unit and the management board plug-in unit of traditional microcomputer protecting device.Remove the interchange plug-in unit, opened into plug-in unit and left plug-in unit, increased the wireless telecommunications plug-in unit.Wireless protection device internal structure as shown in Figure 3.The input that the radio communication plug-in unit is responsible for intake, of ac and is connected block signal, and guard signal, protection outlet and the even output of block signal.
In the optimal technical scheme provided by the invention, comprise that the two cover of A, B wireless industrial switch, each wireless device be furnished with two wireless communication modules of A, B, to realize the wireless dual-network redundancy running.
In another optimal technical scheme provided by the invention, the wireless industrial switch communication of employing covers apart from need or exceeds whole transformer station scope, and actual data rate reaches more than the 100M.VLAN can be divided with the needs of communicating by letter of different radio merge cells device, different intelligent terminal installation and other device according to the wireless protection device in switch inside.
In another optimal technical scheme provided by the invention, system needs at wireless industrial switch place synchronous clock source to be set, to the time agreement can according to required precision select RBS, TPSN etc. to the time agreement.
In another selecting technology scheme provided by the invention, corresponding voltage, current transformer can be traditional electrical magnetic instrument transformers, it also can be electronic mutual inductor, utilize local mounted wireless merge cells device, finish collection and the transmission of voltage, current signal, agreement can adopt IEC61850-9-2.
In another selecting technology scheme provided by the invention, take the wireless industrial Ethernet of dual, use redundant mode to improve the reliability of Wireless Data Transmission, two cover wireless networks can take different frequency range with further raising interference free performance, adopt 2.4GHz frequency and B net to adopt the 5GHz frequency such as the A net.
What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the restriction to protection range of the present invention.Those skilled in the art can do various modifications, be equal to and replace or improve inspired by the spirit and principles of the present invention.But these changes or modification are all in the protection range that application is awaited the reply.
Claims (6)
1. relay protection of power system system based on wireless transmission is characterized in that:
Described protection system comprises wireless industrial switch, wireless synchronization clock source, local mounted wireless merge cells device, intelligent wireless terminal installation and wireless protection device;
Described wireless industrial switch is installed in the transformer station, realizes communicating by letter between each wireless merge cells device, intelligent wireless terminal and the wireless protection device;
With described wireless synchronization clock source access industrial wireless exchange board, realize the clock synchronous of each wireless merge cells device and wireless protection device;
At voltage transformer, current transformer site wireless merge cells device is installed, described wireless merge cells device comprises traditional merge cells functional module and wireless receiving/sending module, and voltage or the current signal of synchronous acquisition is sent to the wireless protection device by wireless transport module and wireless industrial switch;
At the circuit breaker site intelligent wireless terminal installation is installed, affiliated intelligent wireless terminal installation comprises traditional intelligence unit functional module and wireless receiving/sending module, the switch position signal that collects is sent to the wireless protection device by wireless transport module and wireless industrial switch, receives simultaneously trip signal and the execution of wireless protection device;
The wireless protection device is realized radio communication by the wireless industrial switch, receiver voltage, electric current, the position of the switch and connection block signal, and send relaying protection alarm and actuating signal, realize complete defencive function.
2. according to right 1 described relaying protection system; it is characterized in that; the communication distance of described wireless industrial switch need cover or exceed whole transformer station scope, and VLAN can be divided with the needs of communicating by letter of different radio merge cells device, different intelligent terminal installation and other device according to the wireless protection device in this switch inside.
3. according to right 1 described relaying protection system; it is characterized in that; corresponding voltage, current transformer can be traditional electrical magnetic instrument transformers; it also can be electronic mutual inductor; utilize local mounted wireless merge cells device; finish collection and the transmission of voltage, current signal, communication protocol adopts IEC61850-9-2.
4. according to right 1 described relaying protection system, it is characterized in that, utilize local mounted intelligent wireless terminal installation, finish reception and the execution with trip signal of obtaining of the position of the switch, communication protocol adopts GOOSE.
5. according to right 1 described relaying protection system, it is characterized in that the wireless protection device that adopts is furnished with wireless communication module, realize relay protection function by wireless industrial switch and wireless merge cells device, the communication of intelligent wireless terminal installation; By realizing the connection blocking function with other wireless protection device communication.
6. according to right 1 described relaying protection system; it is characterized in that; comprise the two cover of A, B wireless industrial switch, each is wireless merge cells device, intelligent wireless terminal installation and wireless protection device be furnished with two wireless communication modules of A, B, to realize the wireless dual-network redundancy running.
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CN201210420934.1A CN102946089B (en) | 2012-10-29 | 2012-10-29 | A kind of power system relay protection system based on wireless transmission |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Transformer substation lighting control system and control method implemented by same |
CN105371284A (en) * | 2015-11-07 | 2016-03-02 | 常州大学 | Monitoring terminal for industrial organic waste gas burning disposal facility |
CN106451353A (en) * | 2016-12-19 | 2017-02-22 | 北京交通大学 | Protection scheme for multiple transformers |
US10444725B2 (en) | 2017-02-22 | 2019-10-15 | Abb Schweiz Ag | Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network |
CN111082400A (en) * | 2019-11-19 | 2020-04-28 | 南京国电南自电网自动化有限公司 | Failure protection system and method based on wireless network and station domain information |
US10644498B2 (en) | 2017-02-22 | 2020-05-05 | Aab Schweiz Ag | Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network |
US10673226B2 (en) | 2017-02-22 | 2020-06-02 | Abb Schweiz Ag | Power distribution systems and methods of operating power distribution systems with a communication network |
US10797479B2 (en) | 2017-02-22 | 2020-10-06 | Abb Schweiz Ag | Power distribution systems and methods of performing ground fault detection in power distribution systems with a communication network |
US10935604B2 (en) | 2017-02-22 | 2021-03-02 | Abb Schweiz Ag | Power distribution systems and methods of testing responses to electrical conditions using a communication network |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Transformer substation lighting control system and control method implemented by same |
CN104125693B (en) * | 2014-08-12 | 2016-04-06 | 国网重庆市电力公司 | The control method of transformer station's lamp light control system |
CN105371284A (en) * | 2015-11-07 | 2016-03-02 | 常州大学 | Monitoring terminal for industrial organic waste gas burning disposal facility |
CN106451353A (en) * | 2016-12-19 | 2017-02-22 | 北京交通大学 | Protection scheme for multiple transformers |
US10444725B2 (en) | 2017-02-22 | 2019-10-15 | Abb Schweiz Ag | Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network |
US10644498B2 (en) | 2017-02-22 | 2020-05-05 | Aab Schweiz Ag | Power distribution systems and methods of performing zone selective interlocking in power distribution systems with a communication network |
US10673226B2 (en) | 2017-02-22 | 2020-06-02 | Abb Schweiz Ag | Power distribution systems and methods of operating power distribution systems with a communication network |
US10797479B2 (en) | 2017-02-22 | 2020-10-06 | Abb Schweiz Ag | Power distribution systems and methods of performing ground fault detection in power distribution systems with a communication network |
US10935604B2 (en) | 2017-02-22 | 2021-03-02 | Abb Schweiz Ag | Power distribution systems and methods of testing responses to electrical conditions using a communication network |
CN111082400A (en) * | 2019-11-19 | 2020-04-28 | 南京国电南自电网自动化有限公司 | Failure protection system and method based on wireless network and station domain information |
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