CN204858746U - Electric wire netting real -time monitoring system based on reactive power compensator - Google Patents
Electric wire netting real -time monitoring system based on reactive power compensator Download PDFInfo
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- CN204858746U CN204858746U CN201520639887.9U CN201520639887U CN204858746U CN 204858746 U CN204858746 U CN 204858746U CN 201520639887 U CN201520639887 U CN 201520639887U CN 204858746 U CN204858746 U CN 204858746U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000005259 measurement Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012546 transfer Methods 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
- 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
- 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
Abstract
The utility model discloses an electric wire netting real -time monitoring system based on reactive power compensator, including post following formula SVG reactive compensation module and wireless communication module, post following formula SVG reactive compensation module includes detecting element, a central processing unit and compensation output unit, and detecting element includes voltage transformer, current transformer and voltage current measuring module, and voltage current measuring module's wireless communication module 1 connects a central processing unit's wireless communication module 3 end, compensation output unit includes inverter unit and reactor, and inverter unit's input links to each other with a central processing unit's output, and inverter unit's output links to each other with the electric wire netting through the reactor, wireless communication module includes sendsmssymd ware and wireless communication unit, and a central processing unit's output is connected to the input of sendsmssymd ware, and a central processing unit's serial ports output is connected to the data input end of wireless communication unit. The utility model has the advantages of the reactive compensation response is rapid and electric wire netting monitoring real -time is strong.
Description
Technical field
The utility model relates to Power Quality Monitoring Technology field, particularly relates to a kind of electrical network real-time monitoring system based on reactive power compensator.
Background technology
State Grid Corporation of China was from 2014, require that each province, Utilities Electric Co. of city are by compass of competency, the voltage and current data that all power distribution stations low-pressure sides weighs power supply quality directly send corporate HQ to, using as the whether qualified judging basis of the local quality of power supply.But, because each power distribution station exists idle power consumption in real work, even if the power supply of each power distribution station is not abnormal like this, voltage, the electric current qualification rate of each power distribution station low-pressure side also can lower than the requirements of State Grid Corporation of China, and if things go on like this will finally affect the normal electricity consumption of user, in addition, the quantity of the power distribution station in some province, Utilities Electric Co. of city region within the jurisdiction is more, and distributional region is more scattered, the centralized management realized by traditional wiring needs higher cost, and the real-time of voltage and current transfer of data is relatively poor.Therefore, how State Grid Corporation of China improves the quality of power supply of each power distribution station low-pressure side and obtains the quality of power supply information of power distribution station low-pressure side, not only to the management of all power distribution stations in each province, region within the jurisdiction, city, or to the raising of user power utilization quality all tool be of great significance.
Utility model content
The purpose of this utility model is to provide a kind of electrical network real-time monitoring system based on reactive power compensator, can according to the power status of different power distribution stations low-pressure side, the quality of power supply of real-time adjustment power distribution station low-pressure side, meanwhile, the quality of power supply information of each power distribution station low-pressure side obtained is passed to State Grid Corporation of China through wireless-transmission network, to realize the Real-Time Monitoring to grid supply quality.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of electrical network real-time monitoring system based on reactive power compensator, comprise SVG reactive compensation module and wireless communication module, described SVG reactive compensation module comprises detecting unit, CPU and compensation output unit, described detecting unit comprises the voltage transformer for gathering power distribution station low-pressure side information of voltage, for gathering the current transformer of power distribution station low-pressure side current information, and the voltage and current measurement module be connected with voltage transformer summation current transformer respectively, the data output end of described voltage and current measurement module connects the data input pin of CPU, first control signal output of CPU connects the input compensating output unit, described compensation output unit comprises inversion unit and reactor, and the input of described inversion unit is connected with the control signal output of CPU, and the output of inversion unit is connected with electrical network through reactor, described wireless communication module comprises short message sender and radio communication unit, the control signal input of short message sender connects the second control signal output of CPU, and the data input pin of radio communication unit connects the serial ports output of CPU.
Preferably, described wireless communication module adopts GPRS-DTU transducer.
Preferably, described voltage and current measurement module adopts cs5464 chip.
The quality of power supply information of acquisition is passed to CPU through voltage and current measurement module by detecting unit of the present utility model, CPU is according to the actual power situation of different power distribution stations low-pressure side, the quality of power supply is regulated voluntarily by compensating output unit, to reach the requirement of national grid, there is reactive power compensation response rapidly, and the advantages such as the dynamic compensation no influence from harmonic implemented; The utility model is also by the quality of power supply information of wireless communication module by power distribution station low-pressure side, State Grid Corporation of China is passed to through wireless network, while reduction centralized management cost, achieve the Real-Time Monitoring to grid supply quality, there is the advantages such as real-time, good stability.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises SVG reactive compensation module and wireless communication module, described SVG reactive compensation module comprises detecting unit, CPU and compensation output unit, described detecting unit comprises the voltage transformer for gathering power distribution station low-pressure side information of voltage, for gathering the current transformer of power distribution station low-pressure side current information, and the voltage and current measurement module be connected with voltage transformer summation current transformer respectively, described voltage and current measurement module adopts cs5464 chip, this chip internal has the circuit such as integrated analog-to-digital conversion, can by voltage transformer, the analog signal that current transformer gathers, convert corresponding digital signal to, to carry out data transmission, the data output end of voltage and current measurement module connects the data input pin of CPU, first control signal output of CPU connects the input compensating output unit, described compensation output unit comprises inversion unit and reactor, and the input of inversion unit is connected with the control signal output of CPU, and the output of inversion unit is connected with electrical network through reactor, described wireless communication module adopts GPRS-DTU transducer, this transducer comprises short message sender and radio communication unit, the control signal input of short message sender connects the second control signal output of CPU, and the data input pin of radio communication unit connects the serial ports output of CPU.
Operation principle of the present utility model is as follows:
Be arranged on the voltage transformer summation current transformer of power distribution station low-pressure side, by the power distribution station low-pressure side voltage and current data collected, the CPU in SVG reactive compensation module is sent to by voltage and current measurement module, the standard-required of the power distribution station low-pressure side voltage and current information of acquisition with the national grid be entered in CPU in advance first compares by CPU, whether up to standard to judge the quality of power supply of this power distribution station low-pressure side, and the voltage and current information of the result compared and this power distribution station low-pressure side is sent to the control centre of national grid by wireless communication module.
If through voltage, the voltage value that current transformer obtains and/or current values all much larger than or be less than the standard-required value of default national grid, then think that this power distribution station exists the possibility of overvoltage or under-voltage operation, now CPU will by the first control signal output, control signal is sent to the inversion unit compensated in output module, inversion unit sends perception or capacity current by according to received control signal type through reactor, to regulate the phase relation between the voltage of power distribution station low-pressure side and electric current, thus make inversion unit promptly absorb or send reactive power, and then impel the voltage and current in the low-pressure side electrical network of power distribution station to be tending towards standard level, CPU also can pass through the second control signal output, control signal is sent to short message sender, short message sender is by the type according to institute's reception control signal, the good note for describing power distribution station quality of power supply information of pre-edit is sent to user, meanwhile, CPU will pass through serial data output, all radio communication unit is sent to by the quality of power supply information of the power distribution station low-pressure side of collection and with the comparative result of national grid standard-required value, radio communication unit by obtain data by wireless network transmissions to the control centre of State Grid Corporation of China, control centre by obtain data temporary storage in the database of control centre, consider that power distribution station low-pressure side exists pole SVG reactive compensation module, so the information in database can upgrade once per a quarter of an hour, when same power distribution station low-pressure side energy information database second time more new data time still abnormal, then show that the quality of power supply of now power distribution station low-pressure side is poor, and beyond the regulating power of pole SVG reactive compensation module, the IP address provided when now control centre will send data to control centre according to radio communication unit, determine the particular location of power distribution station, and the power supply department of this power distribution station of notice administration immediately processes in time.
If through voltage, the voltage value that current transformer obtains and/or current values are all in the allowed band of default national grid standard-required value, then think that the quality of power supply of this power distribution station low-pressure side is qualified, now CPU will pass through the second control signal output, control signal is sent to short message sender, short message sender is by the type according to institute's reception control signal, the good note for describing power distribution station low-pressure side quality of power supply information of pre-edit is sent to user, meanwhile, CPU will by serial data output, all radio communication unit is sent to by the quality of power supply information of the power distribution station low-pressure side of collection and with the comparative result of national grid standard-required value, radio communication unit by obtain data by wireless network transmissions to the control centre of State Grid Corporation of China, control centre by obtain data temporary storage in the database of control centre, and per a quarter of an hour upgrades once, when same power distribution station low-pressure side quality of power supply information database second time more new data time still normal time, then show that the quality of power supply of now power distribution station low-pressure side is good.
Claims (3)
1. the electrical network real-time monitoring system based on reactive power compensator, it is characterized in that: comprise pole SVG reactive compensation module and wireless communication module, described SVG reactive compensation module comprises detecting unit, CPU and compensation output unit, described detecting unit comprises the voltage transformer for gathering power distribution station low-pressure side information of voltage, for gathering the current transformer of power distribution station low-pressure side current information, and the voltage and current measurement module be connected with voltage transformer summation current transformer respectively, the data output end of described voltage and current measurement module connects the data input pin of CPU, described compensation output unit comprises inversion unit and reactor, and the control signal input of described inversion unit is connected with the first control signal output of CPU, and the output of inversion unit is connected with electrical network through reactor, described wireless communication module comprises short message sender and radio communication unit, the control signal input of short message sender connects the second control signal output of CPU, and the data input pin of radio communication unit connects the serial ports output of CPU.
2. the electrical network real-time monitoring system based on reactive power compensator according to claim 1, is characterized in that: described wireless communication module adopts GPRS-DTU transducer.
3. the electrical network real-time monitoring system based on reactive power compensator according to claim 2, is characterized in that: described voltage and current measurement module adopts cs5464 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639887.9U CN204858746U (en) | 2015-08-24 | 2015-08-24 | Electric wire netting real -time monitoring system based on reactive power compensator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639887.9U CN204858746U (en) | 2015-08-24 | 2015-08-24 | Electric wire netting real -time monitoring system based on reactive power compensator |
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| CN204858746U true CN204858746U (en) | 2015-12-09 |
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| CN201520639887.9U Active CN204858746U (en) | 2015-08-24 | 2015-08-24 | Electric wire netting real -time monitoring system based on reactive power compensator |
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