CN102946089B - A kind of power system relay protection system based on wireless transmission - Google Patents
A kind of power system relay protection system based on wireless transmission Download PDFInfo
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- CN102946089B CN102946089B CN201210420934.1A CN201210420934A CN102946089B CN 102946089 B CN102946089 B CN 102946089B CN 201210420934 A CN201210420934 A CN 201210420934A CN 102946089 B CN102946089 B CN 102946089B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 2
- 241000272814 Anser sp. Species 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 230000007257 malfunction Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 2
- 102100028082 Tapasin Human genes 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 108010059434 tapasin Proteins 0.000 description 1
Classifications
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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 kind of power system relay protection system based on wireless transmission.Comprise following part: (1) wireless industrial switch; (2) wireless synchronization clockwork; (3) wireless merge cells device; (4) intelligent wireless terminal installation; (6) wireless protection device; Described wireless protective relaying device comprises: wireless card, management board plug-in unit, protective plug-in unit and power insert etc.Power system relay protection system based on wireless transmission provided by the invention; effectively can reduce the building materials such as optical cable that secondary connection in transformer station uses and copper cable, shorten the construction period, save construction investment, simplify secondary circuit, prevent the protection blocking because secondary circuit problem causes and malfunction, raising protection system reliability, facilitate Installation and Debugging, and alleviate the workload of attendant.
Description
Technical field
The invention belongs to field of relay protection in power, be specifically related to a kind of method and system using wireless transmission to realize relaying protection.
Background technology
Industrial Wireless is after fieldbus, another hot spot technology of industrial control field, and being the revolutionary technology reducing industry measurement and control system cost, improve industry measurement and control system range of application, is also industrial automation coming years product new growth point.Along with the development of technology, Industrial Wireless overcomes anti-interference, real time communication, the difficulties such as energy-conservation gradually, is used widely in fields such as transport, robots.Application at present in power industry is more than metering and detect, and is not yet applied in relaying protection.
The secondary device wiring of being correlated with of current substation relay protection is complicated, and 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 protective device; a large amount of secondary connections too increases design, installation, debugging and construction period of operation maintenance and cost of labor, too increases complexity and the failure risk of electrical secondary system wiring simultaneously.
Summary of the invention
For overcoming above-mentioned defect; the invention provides a kind of power system relay protection system based on wireless transmission; effectively can reduce the building materials such as optical cable that secondary connection in transformer station uses and copper cable, shorten the construction period, save construction investment, prevent the protection blocking because secondary circuit problem causes and malfunction, simplify secondary circuit, facilitate Installation and Debugging, alleviate the workload of attendant.
For achieving the above object, the invention provides a kind of power system relay protection 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 arranged in transformer station, realizes wireless merge cells device, communication between intelligent wireless terminal and wireless protection device;
By 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 the voltage of synchronous acquisition or current signal are sent to wireless protection device by wireless transport module and wireless industrial switch;
At 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 collected is sent to wireless protection device by wireless transport module and wireless industrial switch, receives the trip signal of wireless protection device simultaneously and perform;
Wireless protection device realizes radio communication by wireless industrial switch, receiver voltage, electric current, the position of the switch and connection block signal, and sends relaying protection alarm and actuating signal, realizes complete defencive function.
Compared with the prior art; power system relay protection system based on wireless transmission provided by the invention; copper cable or optical cable can be replaced by Radio Transmission Technology; transformer substation construction material can be saved; prevent the false protection because secondary cable fault causes and locking, bring application form more flexibly to Protection Technology.
Accompanying drawing explanation
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 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 arranged in transformer station, realizes wireless merge cells device, communication between intelligent wireless terminal and wireless protection device;
By 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 the voltage of synchronous acquisition or current signal are sent to wireless protection device by wireless transport module and wireless industrial switch;
At 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 collected is sent to wireless protection device by wireless transport module and wireless industrial switch, receives the trip signal of wireless protection device simultaneously and perform;
Wireless protection device realizes radio communication by wireless industrial switch, receiver voltage, electric current, the position of the switch and connection block signal, and sends relaying protection alarm and actuating signal, realizes complete defencive function.
As shown in Figure 2, wireless protection device remains the power insert of traditional microcomputer protecting device, baffle plug-in unit and management board plug-in unit to the plug-in unit (module) that wireless protection device should have.Eliminate and exchange plug-in unit, open into plug-in unit and output plug-in unit, add wireless telecommunications plug-in unit.Wireless protection device internal structure as shown in Figure 3.The input of intake, of ac and company's block signal is responsible for by radio communication plug-in unit, and the output of guard signal, protection exit and company's block signal.
In optimal technical scheme provided by the invention, comprise A, B pair of cover wireless industrial switch, each wireless device and be furnished with A, B two wireless communication modules, to realize wireless dual-network redundancy running.
In another optimal technical scheme provided by the invention, the wireless industrial switch communication distance of employing need cover or exceed whole transformer station scope, and actual data rate reaches more than 100M.Switch inside can need to divide VLAN according to the communication of wireless protection device and different radio merge cells device, different intelligent terminal installation and other device.
In another optimal technical scheme provided by the invention, system need arrange synchronous clock source at wireless industrial switch place, pair time agreement agreement when can select RBS, TPSN etc. couple according to required precision.
In another selecting technology scheme provided by the invention, corresponding voltage, current transformer can be traditional electrical magnetic instrument transformers, also can be electronic mutual inductor, utilize local mounted wireless merge cells device, complete voltage, the collection of current signal and transmission, agreement can adopt IEC61850-9-2.
In another selecting technology scheme provided by the invention, take the wireless industrial Ethernet of dual, the mode of redundancy is used to improve the reliability of Wireless Data Transmission, two cover wireless networks can take different frequency range to improve interference free performance further, as A net adopts 2.4GHz frequency and B net to adopt 5GHz frequency.
It is to be understood that content of the present invention and embodiment are intended to the practical application proving technical scheme provided by the present invention, should not be construed as limiting the scope of the present invention.Those skilled in the art inspired by the spirit and principles of the present invention, can do various amendment, equivalent replacement or improve.But these changes or amendment are all in the protection range that application is awaited the reply.
Claims (6)
1., based on a power system relay protection system for 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 arranged in transformer station, realizes each wireless merge cells device, communication between intelligent wireless terminal installation and wireless protection device;
By 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 the voltage of synchronous acquisition or current signal are sent to wireless protection device by wireless transport module and wireless industrial switch;
At circuit breaker site, intelligent wireless terminal installation is installed, described intelligent wireless terminal installation comprises traditional intelligence unit functional module and wireless receiving/sending module, the switch position signal collected is sent to wireless protection device by wireless transport module and wireless industrial switch, receives the trip signal of wireless protection device simultaneously and perform;
Wireless protection device realizes radio communication by wireless industrial switch, receiver voltage, electric current, the position of the switch and connection block signal, and sends relaying protection alarm and actuating signal, realizes complete defencive function;
Take the wireless industrial Ethernet of dual, use the mode of redundancy to improve the reliability of Wireless Data Transmission, two cover wireless networks take different frequency range.
2. power system relay protection system according to claim 1; it is characterized in that; the communication distance of described wireless industrial switch need cover or exceed whole transformer station scope, and this switch inside can need to divide VLAN according to the communication of wireless protection device and different radio merge cells device, different intelligent terminal installation and other device.
3. power system relay protection system according to claim 1; it is characterized in that; corresponding voltage, current transformer are traditional electrical magnetic instrument transformer or electronic mutual inductor; utilize local mounted wireless merge cells device; complete voltage, the collection of current signal and transmission, communication protocol adopts IEC61850-9-2.
4. power system relay protection system according to claim 1, is characterized in that, utilizes local mounted intelligent wireless terminal installation, completes the acquisition of the position of the switch and the reception of trip signal and execution, and communication protocol adopts GOOSE.
5. power system relay protection system according to claim 1, it is characterized in that, the wireless protection device adopted, is furnished with wireless communication module, realizes relay protection function by wireless industrial switch and wireless merge cells device, the communication of intelligent wireless terminal installation; By realizing joining blocking function with other wireless protection device communication.
6. power system relay protection system according to claim 1; it is characterized in that; comprise A, B two cover wireless industrial switch; each wireless merge cells device, intelligent wireless terminal installation and wireless protection device are furnished with A, B two wireless communication modules, to realize wireless dual-network redundancy running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| 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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| CN102946089A CN102946089A (en) | 2013-02-27 |
| CN102946089B true CN102946089B (en) | 2016-04-13 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106451353B (en) * | 2016-12-19 | 2018-11-23 | 北京交通大学 | A kind of multiple transformers guard method |
| 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 |
| 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 |
| 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 |
| 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 |
| CN111082400B (en) * | 2019-11-19 | 2023-01-06 | 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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