CN103296752A - Small hydropower station safety monitoring system for grid safe and stable operation and monitoring method for small hydropower station safety - Google Patents
Small hydropower station safety monitoring system for grid safe and stable operation and monitoring method for small hydropower station safety Download PDFInfo
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- CN103296752A CN103296752A CN2013101483090A CN201310148309A CN103296752A CN 103296752 A CN103296752 A CN 103296752A CN 2013101483090 A CN2013101483090 A CN 2013101483090A CN 201310148309 A CN201310148309 A CN 201310148309A CN 103296752 A CN103296752 A CN 103296752A
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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
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
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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
- 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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Abstract
A small hydropower station safety monitoring system for grid safe and stable operation comprises a monitoring unit and a data transmission control unit and is characterized in that the monitoring unit is connected with the data transmission control unit through data of the internet in a double-way communicating mode; the data transmission control unit is connected between an output end of each small hydropower station and a grid connecting end; operation signals of the connected grid of each small hydropower station are collected by the data transmission control unit; corresponding remote control commands are sent to the data transmission control unit by the monitoring unit according to the collected signals, and remote control is conducted on the data transmission control unit. According to the small hydropower station safety monitoring system for grid safe and stable operation, operating data of the small hydropower stations are detected in real time, the operation conditions of the small hydropower stations are known, monitoring to the small hydropower stations is achieved, monitoring is convenient, and the efficiency of power supplying management is improved. Data communication is achieved in a wireless communicating mode, so that remote control is achieved, the cost brought by the erection of optical cables or communication cables is reduced, and the small hydropower station safety monitoring system for grid safe and stable operation is suitable for monitoring a large number of small hydropower stations with small capacity and dispersive layout.
Description
Technical field
The present invention relates to a kind of supervisory control system, particularly a kind of small power station's safety monitoring system and method for supervising thereof.
Background technology
China small power station resource is very abundant, can the exploitation amount reach 8,700 ten thousand kW, mainly is distributed in remote countryside and the mountain area in China west and south.These areas are with a varied topography, meagrely-populated, load disperses and demand is low.Because the restriction of geographical environment and technical conditions, when developing the cleaning electric energy that small power station provides energetically, must reply around the following difficult problem of small power station's security monitoring, to guarantee the safe and stable operation of electrical network:
1) under the overall background of separating the factory and network, electrical network is difficult to realize in the hydroelectric station to the operating condition monitoring of small power station's unit, therefore, in the face of current One's name is legion, capacity is little, remote location, layout is disperseed and the abominable small power station of environment, their operating condition otherwise be negligent of the monitoring, only estimate by the metric data that inserts transformer station nearby, infer the operation conditions of small power station, lacking comprehensively, accurately under the situation of service data, electrical network is difficult to realize to the security dispatching of small power station and supervision in order, but this also is the serious out-of-limit main cause that is difficult to eradicate of voltage magnitude of private small power station line attachment.
2) small hydropower station of pursuing interests and shortage monitoring brings huge hidden danger for the safe and stable operation of electrical network, current, the small power station of the overwhelming majority can only present electric energy at a distance through the power distribution network of low-voltage grade, because electric pressure is low and line impedance is big, the remote power delivery ability of distribution line is very limited, and network loss is higher, thereby the difficult situation that often causes the weak small power station's unit that is connected of these and electrical network " to have electricity can not send out; can not transport " in the wet season, more seriously, under the background of separating the factory and network, in order to pursue the maximization of generating income, the set end voltage that the small hydropower station that lacks monitoring improves Hydropower Unit wantonly increases water power exerts oneself, and seriously jeopardizes the safe and stable operation that small power station inserts power distribution network.
Summary of the invention
Purpose of the present invention just provides a kind of small power station's safety monitoring system and method for supervising thereof of power network safety operation, and it can detect the small hydropower station service data in real time, realizes the monitoring to small hydropower station, improves power supply management efficient.
The objective of the invention is to realize by such technical scheme, it includes monitoring unit and Data Transmission Controlling unit, it is characterized in that: be connected by the Internet bidirectional data communication between monitoring unit and the Data Transmission Controlling unit, the Data Transmission Controlling unit is connected between small hydropower station output and the electrical network incoming end, the run signal that small hydropower station inserts electrical network will be gathered in the Data Transmission Controlling unit, the signal of gathering is passed to monitoring unit by the Internet, monitoring unit is monitored in real time according to the data that collect, monitoring unit sends corresponding remote control command according to the signal that collects to the Data Transmission Controlling unit, and the transfer of data control unit is carried out Long-distance Control.
Monitoring unit among the present invention is inserted the Internet by netting twine, the Data Transmission Controlling unit inserts the Internet by communication (GPRS), during use, the Data Transmission Controlling unit is gathered the be incorporated into the power networks voltage of access point of hydroelectric station in real time, electric current and power signal, and by communication (GPRS) signal of gathering is transferred to monitoring unit, by monitoring unit the ruuning situation of small power station is monitored, monitoring unit reliably discriminant line is passed by pressure, overcurrent, single phase ground fault and phase fault, as break down, send instruction to the Data Transmission Controlling unit by monitoring unit and carry out Long-distance Control, the circuit between small hydropower station and the electrical network disconnects.
The present invention monitors by the following method:
1), computer is inserted the Internet, the end breaker controller of each small hydropower station output and electrical network access is inserted the Internet by the GPRS wireless network forms, making the monitoring software in the computer is service end, and breaker controller is client, and each breaker controller is set the IP address;
2), open the monitoring software in the computer, and in monitoring software, set electric current, voltage and the power maximum value that transfinites;
3), at first initialization of breaker controller, comprise equipment self-inspection, set up the wireless channel with center monitoring software;
4), each breaker controller gathers the signal that each small hydropower station inserts electrical network respectively, breaker controller with the signal real-time Transmission of gathering to monitoring software;
5), monitoring software is judged the signal that receives, when being normal signal as if the signal of judging reception, small hydropower station inserts electrical network and normally moves, when being fault-signal as if the signal of judging reception, the trip command that monitoring software will send to breaker controller by the IP address, breaker controller receives the trip command that monitoring software is sent, and controls outdoor demarcation circuit breaker tripping operation immediately, the small hydropower station output is disconnected with the electrical network incoming end be connected.
The signal of breaker controller collection comprises current signal, voltage signal, power signal, single phase ground fault signal and phase fault signal.
Owing to adopted technique scheme, the present invention has the advantage that monitoring is convenient and data are stored, it can detect the small hydropower station service data in real time, understand the small hydropower station operation conditions, realized the monitoring to small power station, improved power supply management efficient, adopt communication to carry out data communication, both realize Long-distance Control, reduced the cost that erecting optical cables or telecommunication cable bring again, be applicable to the monitoring of the small hydropower station that quantity is many, capacity is little, layout is disperseed.
Description of drawings
Description of 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.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1, shown in 2, the present invention includes monitoring unit 1 and Data Transmission Controlling unit 2, it is characterized in that: be connected by the Internet bidirectional data communication between monitoring unit 1 and the Data Transmission Controlling unit 2, Data Transmission Controlling unit 2 is connected between small hydropower station output and the electrical network incoming end, the run signal that small hydropower station inserts electrical network will be gathered in Data Transmission Controlling unit 2, the signal of gathering is passed to monitoring unit 1 by the Internet, monitoring unit 1 is monitored in real time according to the data that collect, monitoring unit sends corresponding remote control command according to the signal that collects to the Data Transmission Controlling unit, and the transfer of data control unit is carried out Long-distance Control.
As shown in Figure 1, monitoring unit among the present invention is inserted the Internet 5 by netting twine, the Data Transmission Controlling unit inserts the Internet by communication (GPRS), during use, the Data Transmission Controlling unit is gathered the be incorporated into the power networks voltage of access point of hydroelectric station in real time, electric current and power signal, and by communication (GPRS) signal of gathering is transferred to monitoring unit, by monitoring unit the ruuning situation of small power station is monitored, monitoring unit reliably discriminant line is passed by pressure, overcurrent, single phase ground fault and phase fault, as break down, send instruction to the Data Transmission Controlling unit by monitoring unit and carry out Long-distance Control, the circuit between small hydropower station 6 and the electrical network 7 disconnects.
As shown in Figure 2, the Data Transmission Controlling unit is many groups, every group is made of outdoor demarcation circuit breaker 3 and breaker controller 4, between each small hydropower station 6 output and electrical network 7 incoming ends, be connected one group of Data Transmission Controlling unit, wherein, the power inleting terminal of outdoor demarcation circuit breaker 3 is connected the power output end of small hydropower station, the power outlet end of outdoor demarcation circuit breaker 3 is connected the incoming end of electrical network, breaker controller 4 is connected with the control terminals of outdoor demarcation circuit breaker 3 by the data cable line, be provided with wireless network communication module in the breaker controller, breaker controller inserts the Internet by wireless network communication module and realizes that with monitoring unit bidirectional data communication is connected.
Outdoor demarcation circuit breaker 3 and breaker controller 4 are the commercially available prod, and the model of outdoor demarcation circuit breaker 3 can be ZW22-12 or ZW32-12, and the model of breaker controller 4 can be BR001-2.Above-mentioned type of attachment can realize that quantity is many, capacity is little, the monitoring of the small hydropower station that layout is disperseed, during use, each breaker controller is arranged the IP address respectively, breaker controller 4 collects on the outdoor demarcation circuit breaker 3 behind the signal, signal is uploaded to the Internet 5 by wireless network communication module, the signal that monitoring unit 1 is gathered breaker controller 4 by the Internet receives, by monitoring unit the ruuning situation of small hydropower station 6 is monitored, monitoring unit reliably discriminant line is passed by pressure, overcurrent, single phase ground fault and phase fault, signal as reception is fault-signal, to send instruction by the Internet to breaker controller 4 by the IP address by monitoring unit, the outdoor demarcation circuit breaker 3 of breaker controller 4 controls disconnects the circuit between small hydropower station and the electrical network.Breaker controller 4 also sends fault and circuit breaker trip event to monitoring software.
For the ease of showing service data, stored data and operation, monitoring unit 1 is computer, and monitoring software is installed in the computer.
The present invention adopts following method to monitor:
1), computer is inserted the Internet, the end breaker controller of each small hydropower station output and electrical network access is inserted the Internet by the GPRS wireless network forms, making the monitoring software in the computer is service end, and breaker controller is client, and each breaker controller is set the IP address;
2), open the monitoring software in the computer, and in monitoring software, set electric current, voltage and the power maximum value that transfinites;
3), at first initialization of breaker controller, comprise equipment self-inspection, set up the wireless channel with center monitoring software;
4), each breaker controller gathers the signal that each small hydropower station inserts electrical network respectively, breaker controller with the signal real-time Transmission of gathering to monitoring software;
5), monitoring software is judged the signal that receives, when being normal signal as if the signal of judging reception, small hydropower station inserts electrical network and normally moves, when being fault-signal as if the signal of judging reception, the trip command that monitoring software will send to breaker controller by the IP address, breaker controller receives the trip command that monitoring software is sent, and controls outdoor demarcation circuit breaker tripping operation immediately, the small hydropower station output is disconnected with the electrical network incoming end be connected.
The signal of breaker controller collection comprises current signal, voltage signal, power signal, single phase ground fault signal and phase fault signal.
When monitoring software will receive current signal, voltage signal or power signal when transfiniting value greater than the maximum of electric current, voltage or the power set, the trip command that the monitoring software work transfinites fault alarm and sends to breaker controller, fault and circuit breaker trip event send monitoring software to, and monitoring software stores event.
Claims (5)
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: be connected by the Internet bidirectional data communication between monitoring unit (1) and Data Transmission Controlling unit (2), Data Transmission Controlling unit (2) is connected between small hydropower station output and the electrical network incoming end, the run signal that small hydropower station inserts electrical network will be gathered in Data Transmission Controlling unit (2), the signal of gathering is passed to monitoring unit (1) by the Internet, monitoring unit (1) is monitored in real time according to the data that collect, monitoring unit sends corresponding remote control command according to the signal that collects to the Data Transmission Controlling unit, and the transfer of data control unit is carried out Long-distance Control.
2. small power station's safety monitoring system of power network safety operation as claimed in claim 1, it is characterized in that: the Data Transmission Controlling unit is many groups, every group by outdoor demarcation circuit breaker (3) and breaker controller (4) formation, 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 the power output end of small hydropower station, the power outlet end of outdoor demarcation circuit breaker (3) is connected the incoming end of electrical network, breaker controller (4) is connected with the control terminals of outdoor demarcation circuit breaker (3) by the data cable line, be provided with wireless network communication module in the breaker controller, breaker controller inserts the Internet by wireless network communication module and realizes that with monitoring unit bidirectional data communication is connected.
3. small power station's safety monitoring system of power network safety operation as claimed in claim 1 or 2, it is characterized in that: monitoring unit (1) is computer, and monitoring software is installed in the computer.
4. the method monitored of the small power station's safety monitoring system that utilizes power network safety operation as claimed in claim 3 is characterized in that it adopts following method:
1), computer is inserted the Internet, the end breaker controller of each small hydropower station output and electrical network access is inserted the Internet by the GPRS wireless network forms, making the monitoring software in the computer is service end, and breaker controller is client, and each breaker controller is set the IP address;
2), open the monitoring software in the computer, and in monitoring software, set electric current, voltage and the power maximum value that transfinites;
3), at first initialization of breaker controller, comprise equipment self-inspection, set up the wireless channel with center monitoring software;
4), each breaker controller gathers the signal that each small hydropower station inserts electrical network respectively, breaker controller with the signal real-time Transmission of gathering to monitoring software;
5), monitoring software is judged the signal that receives, when being normal signal as if the signal of judging reception, small hydropower station inserts electrical network and normally moves, when being fault-signal as if the signal of judging reception, the trip command that monitoring software will send to breaker controller by the IP address, breaker controller receives the trip command that monitoring software is sent, and controls outdoor demarcation circuit breaker tripping operation immediately, the small hydropower station output is disconnected with the electrical network incoming end be connected.
5. the method monitored of the small power station's safety monitoring system that utilizes power network safety operation as claimed in claim 4, it is characterized in that: the signal of breaker controller collection comprises current signal, voltage signal, power signal, single phase ground fault signal and phase fault signal.
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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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503377A (en) * | 2014-11-05 | 2015-04-08 | 广东电网有限责任公司江门供电局 | Small hydro real-time information remote monitoring 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 |
| CN116231868A (en) * | 2023-03-23 | 2023-06-06 | 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 |
| CN202372839U (en) * | 2011-12-02 | 2012-08-08 | 重庆迅驰电气有限公司 | Monitoring and controlling device for minitype hydroelectric generator |
| CN202455164U (en) * | 2012-03-14 | 2012-09-26 | 江西省电力科学研究院 | Small hydropower voltage regulating and monitoring system based on general packet radio service (GPRS) + short distance wireless communication |
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| CN101752875A (en) * | 2008-12-09 | 2010-06-23 | 王永强 | Interconnecting meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN202372839U (en) * | 2011-12-02 | 2012-08-08 | 重庆迅驰电气有限公司 | Monitoring and controlling device for minitype hydroelectric generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503377A (en) * | 2014-11-05 | 2015-04-08 | 广东电网有限责任公司江门供电局 | Small hydro real-time information remote monitoring 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 |
| CN116231868A (en) * | 2023-03-23 | 2023-06-06 | 北京东华博泰科技有限公司 | Hydropower safety monitoring system based on Internet of things |
| 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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