CN103296752B - Small power station's safety monitoring system and the method for supervising thereof of power network safety operation - Google Patents
Small power station's safety monitoring system and the method for supervising thereof of power network safety operation Download PDFInfo
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- CN103296752B CN103296752B CN201310148309.0A CN201310148309A CN103296752B CN 103296752 B CN103296752 B CN 103296752B CN 201310148309 A CN201310148309 A CN 201310148309A CN 103296752 B CN103296752 B CN 103296752B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04S40/128—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 involving the use of Internet protocol
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of small power station's safety monitoring system of power network safety operation, comprise monitoring unit and Data Transmission Controlling unit, it is characterized in that: between monitoring unit and Data Transmission Controlling unit, be connected by internet bidirectional data communication, Data Transmission Controlling unit is connected between small hydropower station output and electrical network incoming end, Data Transmission Controlling unit will gather the run signal of small hydropower station access electrical network, monitoring unit sends corresponding telecommand according to the signal collecting to Data Transmission Controlling unit, and transfer of data control module is carried out to Long-distance Control. It can detect small hydropower station service data in real time the present invention, understand small hydropower station operation conditions, realize the monitoring to small power station, monitoring is convenient, improve power supply management efficiency, adopted communication to carry out data communication, both realized Long-distance Control, reduce again the cost that erecting optical cables or communication cable bring, be applicable to that quantity is many, capacity is little, the monitoring of the small hydropower station of scattered distribution.
Description
Technical field
The present invention relates to a kind of monitoring system, particularly a kind of small power station safety monitoring system andMethod for supervising.
Background technology
Small power station of China resource is very abundant, can exploitation amount reach 8,700 ten thousand kW, is mainly distributed in China westRemote countryside and the mountain area in south. These areas are with a varied topography, meagrely-populated, load and demandMeasure low. Due to the restriction of geographical environment and technical conditions, utilize at Devoting Major Efforts To Developing clear that small power station providesWhen clean electric energy, must reply around the following difficult problem of small power station's security monitoring, to ensure electrical networkSafe and stable operation:
1), under the overall background of separating the factory and network, electrical network is difficult to the operating condition monitoring of small power station's unitIn power station, realize, therefore, in the face of current One's name is legion, capacity are little, remote location, scattered distributionAnd the severe small power station of environment, their operating condition or be negligent of monitoring, or only by connecing nearbyThe metric data that enters transformer station is estimated, infers the operation conditions of small power station, comprehensive, accurate in shortageIn the situation of true service data, electrical network is difficult to realize to the sacurity dispatching of small power station and supervision in order,But this to be also the voltage magnitude of private small power station line attachment serious out-of-limit be difficult to eradicate mainly formerCause.
2) small hydropower station of pursuing interests and shortage monitoring brings huge hidden to the safe and stable operation of electrical networkSuffer from, current, the small power station of the overwhelming majority can only be fed to electric energy at a distance through the power distribution network of low-voltage-grade,Because electric pressure is low and line impedance is large, the remote power delivery ability of distribution line is very limited,And network loss is higher, thereby often cause the weak small power station's unit being connected of these and electrical network " to have electricity in the wet seasonCan not send out, can not transport " difficult situation, more seriously, under the background of separating the factory and network, forPursue the maximization of generating income, the small hydropower station that lacks monitoring improves the machine end electricity of Hydropower Unit wantonlyPressure increases water power exerts oneself, and seriously jeopardizes the safe and stable operation of small power station's access power distribution network.
Summary of the invention
The small power station that object of the present invention is just to provide a kind of power network safety operation supervises safelyControl system and method for supervising thereof, it can detect small hydropower station service data in real time, realizes littleThe monitoring in power station, improves power supply management efficiency.
The object of the invention is to realize by such technical scheme, it includes monitoring unitAnd Data Transmission Controlling unit, it is characterized in that: monitoring unit and Data Transmission Controlling unit itBetween connect by internet bidirectional data communication, Data Transmission Controlling unit is connected to small hydropower stationBetween output and electrical network incoming end, Data Transmission Controlling unit will gather small hydropower station access electricityThe run signal of net, is passed to monitoring unit by the signal of collection by internet, monitoring unitMonitor in real time according to the data that collect, the signal that monitoring unit basis collects is to dataTransmission control unit sends corresponding telecommand, and transfer of data control module is carried out to long-range controlSystem.
By monitoring unit in the present invention, by netting twine accessing Internet, Data Transmission Controlling unit is logicalCross communication (GPRS) accessing Internet, when use, Data Transmission Controlling unit is realTime gather voltage, electric current and the power signal of power station grid integration point, and pass through radio communicationThe signal of collection is transferred to monitoring unit by mode (GPRS), by monitoring unit to small power stationRuuning situation is monitored, and monitoring unit reliably discriminant line is passed by pressure, overcurrent, single-phase connecingEarth fault and phase fault, as break down, by monitoring unit to Data Transmission Controlling listUnit sends instruction and carries out Long-distance Control, and the circuit between small hydropower station and electrical network disconnects.
The present invention monitors by the following method:
1), by computer accessing Internet, by the end of each small hydropower station output and electrical network accessBreaker controller, by GPRS wireless network forms accessing Internet, makes the monitoring in computerSoftware is service end, and breaker controller is client, and each breaker controller is set to IPAddress;
2), open the monitoring software in computer, and in monitoring software, set electric current, voltage andThe power maximum value that transfinites;
3), first breaker controller initialize, and comprises equipment self-inspection, set up and center monitoringThe wireless channel of software;
4), each breaker controller gathers respectively the signal of each small hydropower station access electrical network,Breaker controller by gather signal real-time Transmission to monitoring software;
5), monitoring software judges the signal receiving, if judge the signal of reception beWhen normal signal, small hydropower station access electrical network normally moves, and is event if judge the signal of receptionBarrier is when signal, and monitoring software is the trip command of sending to breaker controller by IP address,Breaker controller receives the trip command that monitoring software is sent, and controls immediately outdoor boundary disconnectedRoad device tripping operation, disconnects small hydropower station output and electrical network incoming end.
The signal of breaker controller collection comprise current signal, voltage signal, power signal,Singlephase earth fault signal and phase fault signal.
Owing to having adopted technique scheme, the present invention has the excellent of monitoring convenience and data storagePoint, it can detect small hydropower station service data in real time, understands small hydropower station operation conditions, realShow the monitoring to small power station, improved power supply management efficiency, adopted communication to carry outData communication, had both realized Long-distance Control, had reduced erecting optical cables again or communication cable is withThe cost coming, is applicable to that quantity is many, capacity is little, the monitoring of the small hydropower station of scattered distribution.
Brief description of the drawings
Brief description of the drawings of the present invention is as follows:
Fig. 1 is structural representation of the present invention.
Fig. 2 is use state reference map of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, 2, the present invention includes monitoring unit 1 and Data Transmission Controlling unit 2,It is characterized in that: two-way by internet between monitoring unit 1 and Data Transmission Controlling unit 2Data communication connects, and Data Transmission Controlling unit 2 is connected to small hydropower station output and electrical network connectsEnter between end, Data Transmission Controlling unit 2 will gather the run signal of small hydropower station access electrical network,The signal of collection is passed to monitoring unit 1 by internet, and monitoring unit 1 is according to collectingData monitor in real time, monitoring unit according to the signal that collects to Data Transmission Controlling listUnit sends corresponding telecommand, and transfer of data control module is carried out to Long-distance Control.
As shown in Figure 1, monitoring unit in the present invention is passed through to netting twine accessing Internet 5, dataTransmission control unit passes through communication (GPRS) accessing Internet, when use, and dataVoltage, electric current and the power signal of transmission control unit Real-time Collection power station grid integration point,And by communication (GPRS), the signal of collection is transferred to monitoring unit, by monitoringUnit is monitored the ruuning situation of small power station, and monitoring unit reliably discriminant line is passed byPressure, overcurrent, singlephase earth fault and phase fault, as break down, by monitoring unitSend instruction to Data Transmission Controlling unit and carry out Long-distance Control, small hydropower station 6 and electrical network 7 itBetween circuit disconnect.
As shown in Figure 2, Data Transmission Controlling unit is many groups, and every group by outdoor demarcation circuit breaker3 and breaker controller 4 form, at each small hydropower station 6 outputs and electrical network 7 incoming endsBetween connect one group of Data Transmission Controlling unit, wherein, the power supply of outdoor demarcation circuit breaker 3 entersLine end is connected to the power output end of small hydropower station, the power outlet end of outdoor demarcation circuit breaker 3Be connected to the incoming end of electrical network, breaker controller 4 is disconnected by data cable line and outdoor boundaryThe control terminals of road device 3 connect, and are provided with wireless network communication module in breaker controller,Breaker controller is realized two by wireless network communication module accessing Internet and monitoring unitConnect to data communication.
Outdoor demarcation circuit breaker 3 and breaker controller 4 are commercially available prod, and outdoor boundary is opened circuitThe model of device 3 can be ZW22-12 or ZW32-12, and the model of breaker controller 4 canThink BR001-2. Above-mentioned type of attachment can realize that quantity is many, capacity is little, scattered distribution littleThe monitoring in power station, when use, arranges respectively IP address by each breaker controller, disconnectedRoad device controller 4 collects on outdoor demarcation circuit breaker 3 after signal, and signal is passed through to wireless networkNetwork communication module is uploaded to internet 5, monitoring unit 1 by internet by breaker controller4 signals that gather receive, by monitoring unit, the ruuning situation of small hydropower station 6 monitored,Monitoring unit reliably discriminant line is passed by pressure, overcurrent, singlephase earth fault and phase fault eventBarrier, if the signal receiving is fault-signal, will pass through internet by IP address by monitoring unitSend instruction to breaker controller 4, breaker controller 4 is controlled outdoor demarcation circuit breaker 3Circuit between small hydropower station and electrical network is disconnected. Breaker controller 4 by fault and open circuitDevice trip event sends monitoring software to.
For the ease of showing service data, stored data and operation, monitoring unit 1 is computer,Monitoring software is installed in computer.
The present invention adopts with the following method and monitors:
1), by computer accessing Internet, by the end of each small hydropower station output and electrical network accessBreaker controller, by GPRS wireless network forms accessing Internet, makes the monitoring in computerSoftware is service end, and breaker controller is client, and each breaker controller is set to IPAddress;
2), open the monitoring software in computer, and in monitoring software, set electric current, voltage andThe power maximum value that transfinites;
3), first breaker controller initialize, and comprises equipment self-inspection, set up and center monitoringThe wireless channel of software;
4), each breaker controller gathers respectively the signal of each small hydropower station access electrical network,Breaker controller by gather signal real-time Transmission to monitoring software;
5), monitoring software judges the signal receiving, if judge the signal of reception beWhen normal signal, small hydropower station access electrical network normally moves, and is event if judge the signal of receptionBarrier is when signal, and monitoring software is the trip command of sending to breaker controller by IP address,Breaker controller receives the trip command that monitoring software is sent, and controls immediately outdoor boundary disconnectedRoad device tripping operation, disconnects small hydropower station output and electrical network incoming end.
The signal of breaker controller collection comprise current signal, voltage signal, power signal,Singlephase earth fault signal and phase fault signal.
When monitoring software is greater than setting by receiving current signal, voltage signal or power signalWhen the maximum of electric current, voltage or power transfinites value, transfinite fault alarm to disconnected of monitoring softwareThe trip command that road device controller sends, it is soft that fault and circuit breaker trip event send monitoring toPart, monitoring software stores event.
Claims (2)
1. small power station's safety monitoring system of a power network safety operation, comprise monitoring unit (1) and Data Transmission Controlling unit (2), it is characterized in that: between monitoring unit (1) and Data Transmission Controlling unit (2), be connected by internet bidirectional data communication, Data Transmission Controlling unit (2) is connected between small hydropower station output and electrical network incoming end, Data Transmission Controlling unit (2) will gather the run signal of small hydropower station access electrical network, the signal of collection is passed to monitoring unit (1) by internet, monitoring unit (1) is monitored in real time according to the data that collect, monitoring unit sends corresponding telecommand according to the signal collecting to Data Transmission Controlling unit, transfer of data control module is carried out to Long-distance Control, Data Transmission Controlling unit is many groups, every group is made up of outdoor demarcation circuit breaker (3) and breaker controller (4), between each small hydropower station output and electrical network incoming end, be connected one group of Data Transmission Controlling unit, wherein, the power inleting terminal of outdoor demarcation circuit breaker (3) is connected to the power output end of small hydropower station, the power outlet end of outdoor demarcation circuit breaker (3) is connected to the incoming end of electrical network, breaker controller (4) is connected with the control terminals of outdoor demarcation circuit breaker (3) by data cable line, in breaker controller, be provided with wireless network communication module, breaker controller is realized bidirectional data communication by wireless network communication module accessing Internet and monitoring unit and is connected, monitoring unit (1) is computer, monitoring software is installed in computer.
2. the method that small power station's safety monitoring system of power network safety operation as claimed in claim 1 is monitored, is characterized in that it adopts with the following method:
1), by computer accessing Internet, the end breaker controller of each small hydropower station output and electrical network access is passed through to GPRS wireless network forms accessing Internet, making the monitoring software in computer is service end, and breaker controller is client, and each breaker controller is set to IP address;
2), open the monitoring software in computer, and in monitoring software, set electric current, voltage and the power maximum value that transfinites;
3), first breaker controller initialize, and comprises equipment self-inspection, sets up the wireless channel with center monitoring software;
4), each breaker controller gathers respectively the signal of each small hydropower station access electrical network, breaker controller by the signal real-time Transmission gathering to monitoring software;
5), monitoring software judges the signal receiving, if when judging the signal of reception and being normal signal, small hydropower station access electrical network normally moves, if when judging the signal of reception and being fault-signal, monitoring software is by the trip command of sending to breaker controller by IP address, breaker controller receives the trip command that monitoring software is sent, and controls immediately outdoor demarcation circuit breaker tripping operation, and small hydropower station output and electrical network incoming end are disconnected;
The signal of breaker controller collection comprises current signal, voltage signal, power signal, singlephase earth fault signal and phase fault signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310148309.0A CN103296752B (en) | 2013-04-26 | 2013-04-26 | Small power station's safety monitoring system and the method for supervising thereof of power network safety operation |
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| CN201310148309.0A CN103296752B (en) | 2013-04-26 | 2013-04-26 | Small power station's safety monitoring system and the method for supervising thereof of power network safety operation |
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| CN103296752A CN103296752A (en) | 2013-09-11 |
| CN103296752B true CN103296752B (en) | 2016-05-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503377B (en) * | 2014-11-05 | 2015-09-16 | 广东电网有限责任公司江门供电局 | Small power station's real-time information long distance control system |
| CN105932771A (en) * | 2016-04-22 | 2016-09-07 | 国网浙江省电力公司丽水供电公司 | Small-hydropower-station voltage on-line monitoring device |
| CN111107045A (en) * | 2018-10-29 | 2020-05-05 | 国家电网有限公司 | Safety baseline of power monitoring system of hydraulic power plant |
| CN116231868B (en) * | 2023-03-23 | 2023-10-03 | 北京东华博泰科技有限公司 | Hydropower safety monitoring system based on Internet of things |
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| JP2011155789A (en) * | 2010-01-28 | 2011-08-11 | Chugoku Electric Power Co Inc:The | Remote monitoring controller, monitoring control system, and monitoring control method |
| CN202260626U (en) * | 2011-09-16 | 2012-05-30 | 扬州森泰电气设备有限公司 | Intelligent power distribution system |
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2013
- 2013-04-26 CN CN201310148309.0A patent/CN103296752B/en active Active
Patent Citations (5)
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| CN101752875A (en) * | 2008-12-09 | 2010-06-23 | 王永强 | Interconnecting meter |
| JP2011155789A (en) * | 2010-01-28 | 2011-08-11 | Chugoku Electric Power Co Inc:The | Remote monitoring controller, monitoring control system, and monitoring control method |
| CN202260626U (en) * | 2011-09-16 | 2012-05-30 | 扬州森泰电气设备有限公司 | Intelligent power distribution system |
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