CN202872378U - Intelligent reactive power optimization low-voltage compensation device - Google Patents
Intelligent reactive power optimization low-voltage compensation device Download PDFInfo
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- CN202872378U CN202872378U CN 201120508211 CN201120508211U CN202872378U CN 202872378 U CN202872378 U CN 202872378U CN 201120508211 CN201120508211 CN 201120508211 CN 201120508211 U CN201120508211 U CN 201120508211U CN 202872378 U CN202872378 U CN 202872378U
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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
- Y02E40/30—Reactive power compensation
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Abstract
The utility model provides an intelligent reactive power optimization low-voltage compensation device which is mainly composed of a distribution transformation intelligent reactive power optimization measurement and control unit, a distribution transformation operation condition and electric power quality monitoring unit, a reactive power optimization compensation unit, am electric power metering, meter reading and cascade module unit, a communication unit and a distribution circuit. The intelligent reactive power optimization low-voltage compensation device is an intelligent terminal device which integrates distribution transformation operation condition and electric power quality monitoring, electric power metering, load controlling, distribution protection, reactive power optimization compensation and communication function together. At the same time, the intelligent reactive power optimization low-voltage compensation device is used as a terminal compensation device of a regional power grid intelligent reactive power optimization compensation system and realizes the reactive power optimization control of a regional power grid through networking.
Description
Technical field
The utility model relates to a kind of Intelligence Reactive Power and optimizes low-voltage compensation apparatus, belongs to the power system reactive power compensation technical field.
Background technology
Along with modernized require increasingly strong of each electric company's distribution management, realize measurement, analysis and the statistics of distribution transforming operational factor by the overall power distribution monitoring device, with realize distribution reactive voltage auto-compensation and optimization by low-voltage reactive compensator capable, with the electric energy loss that reduces power distribution network, the utilance that improves controller switching equipment, and the method for improving to a certain extent the quality of power supply of distribution has obtained generally admitting and paying much attention to.
At present, because there is the product of the distribution automation aspect of the aspects such as quite a lot of distribution transforming Real-Time Monitoring, harmonic analysis, reactive power compensation in China, but function is mostly more single, rarer distribution transforming monitoring and the idle work optimization device that integrates distribution transforming operating mode and electric energy quality monitoring, electric energy metrical, load control, power distribution protection, Reactive Compensation, communication several functions, thereby in some occasion above-mentioned several functions device need to be installed, not only for the management of distribution net equipment has brought inconvenience, also increased simultaneously equipment investment; Secondly, most low-voltage reactive compensator capable communication function is single, and the networking difficulty can't by the idle work optimization control of networking feasible region electrical network, not be suitable for the reactive optimizing compensation system of regional power grid.
Summary of the invention
The utility model is for the deficiency of existing low-voltage reactive compensator capable and distribution transformer monitoring device; provide a kind of Intelligence Reactive Power to optimize low-voltage compensation apparatus; integrate distribution transforming operating mode and electric energy quality monitoring, electric energy metrical, load control, power distribution protection, Reactive Compensation, communication function; while is as the terminal compensation device of regional power grid Intelligence Reactive Power Optimization Compensation system; can by the control of networking feasible region idle work optimization, can effectively solve the problem that runs at present.
The technical scheme that its technical problem that solves the utility model adopts is as follows:
A kind of Intelligence Reactive Power is optimized low-voltage compensation apparatus, mainly by the distribution transforming Intelligence Reactive Power optimize measurement and control unit, distribution transforming operating mode and electric energy quality monitoring unit, Reactive Compensation unit, electric energy metrical, checking meter forms with cascade module unit, communication unit, distribution loop.
1, the distribution transforming Intelligence Reactive Power is optimized measurement and control unit, adopts high-performance technical grade embedded computer system, is core component and the main control unit that the distribution transforming Intelligence Reactive Power is optimized measure and control device, and the unified allocation of resources resource realizes various functions.
2, distribution transforming operating mode and electric energy quality monitoring unit, utilize signal and data acquisition and monitoring circuit to gather in real time every parameters of electric power of monitoring power supply-distribution system and every running state parameter of distribution transforming, as: the parameters such as three-phase voltage, three-phase current, harmonic wave, active power, reactive power, power factor, meritorious/capacity of idle power and three-phase imbalance rate, unusual circumstance and alarm, simultaneously, send the core control part microprocessor to carry out data analysis and computing the data that gather.
3, Reactive Compensation unit.Mainly consisted of by power capacitor, comprise three-phase power capacitor and Monophase electric power capacitor, realize three-phase total compensation and mended the reactive power compensation strategy that combines in single-phase minute.
4, electric energy metrical, check meter and the cascade module unit.Mainly formed by three-phase multifunctional electrical energy meter and peripheral circuit thereof, can accurately measure forward and reverse meritorious and reactive energy in the three-phase electric energy metering, gain merit and reactive power, the electrical quantitys such as voltage, electric current and frequency, and carry out data according to requirements such as corresponding rate and requirements and process, concentrator that can be by RS-485 interface cascade low pressure centralized automatic meter-reading is for the data upload of concentrator provides passage.
5, communication unit is used for realizing several communications of Intelligence Reactive Power optimization low-voltage compensation apparatus.Design a plurality of local interfaces, according to communication protocol the data that receive are unpacked, the inquiry of switching executing data, parameter such as arrange at the order, and make correct response; The GPRS wireless communication module adopts the method that combines based on the GPRS network communication technology and network microprocessor technology, the functions such as alarm are controlled, reached to the transmission of realization distribution transforming real-time data acquisition, Real-time Load monitoring, Real-time Load, realize simultaneously long-distance on-line and remote reprogram and parameter setting, the control of feasible region reactive power optimization and distribution automation provide means in order to network.
6, distribution loop arranges the twin-stage protection, and inlet wire is installed total insurance, and distribution has been installed residual current action breaker, integrates protection and the automatic reclosings such as overload, short circuit, extraordinary waveform, residual current, improves the security performance of device.
The utility model beneficial effect compared with prior art is:
This Intelligence Reactive Power is optimized low-voltage compensation apparatus can carry out real-time observing and controlling to distribution transformer, can also carry out the dynamic reactive Optimization Compensation to distribution transformer low-pressure side electrical network, as the terminal compensation device of regional power grid Intelligence Reactive Power Optimization Compensation system, can control by the idle work optimization of networking feasible region electrical network simultaneously.The hanging net operation of this device solved present distribution transforming reactive power compensator or the distribution transformer monitoring apparatus function single, under certain occasion, need to install simultaneously multiple device, not only make troubles for the management of distribution net equipment, and increased a series of problems such as equipment investment; It is single to have solved simultaneously present low-voltage reactive compensator capable communication function, and the networking difficulty can't be by the problem of networking feasible region reactive power optimization control.This device to the intelligent management of strengthening distribution transformer, reduce the wastage, improve power supply quality and power supply capacity, enhancing power supply reliability have great significance.
Description of drawings
Fig. 1 is system block diagram of the present utility model;
Fig. 2 is primary system structure chart of the present utility model;
Among the figure: 1. the distribution transforming Intelligence Reactive Power is optimized measurement and control unit, 2. distribution transforming operating mode and electric energy quality monitoring unit, 3. Reactive Compensation unit, electric energy metrical, check meter and the cascade module unit, 5. communication unit, 6.RS-232 local maintenance interface, 7.RS-485 local communication interface, 8.RS-485 cascaded communication interface, 9.USB communication interface, 10. micro power radio communication interface, 11.GPRS wireless communication module, 12. fuse, 13. residual current action breakers.
Embodiment
The distribution transforming Intelligence Reactive Power is optimized measurement and control unit (1) and is adopted high-performance technical grade embedded computer system, is core component and the main control unit that the distribution transforming Intelligence Reactive Power is optimized measure and control device, and the unified allocation of resources resource realizes various functions.
Distribution transforming operating mode and electric energy quality monitoring unit (2) gather every parameters of electric power of monitoring power supply-distribution system and every running state parameter of distribution transforming in real time, unusual circumstance and alarm, simultaneously, the data delivery that gathers is become Intelligence Reactive Power optimization measurement and control unit (1) and carry out data analysis and computing.
Reactive Compensation unit (3) receives the instruction of idle work optimization measurement and control unit (1), take reactive power as dropping into the electric capacity main criterion, take power factor as excision electric capacity main criterion, be aided with the criterions such as voltage, harmonic wave, and pass through the action of intelligent switching control respective electrical container group switching, and the switching situation is uploaded to idle work optimization measurement and control unit (1).
Electric energy metrical, check meter and accurately measure forward in the three-phase electric energy metering and reverse meritorious and reactive energy with cascade module unit (4), gain merit and reactive power, the electrical quantitys such as voltage, electric current and frequency, and carry out data according to requirements such as corresponding rate and requirements and process.
Communication unit (5) designs a plurality of local interfaces, and one road RS-232 local maintenance interface (6) is used for the functions such as local data is copied and accepted, parameter setting, maintenance, debugging; Two-way RS-485 local communication interface (7), (8) are respectively applied to communication and realization cascade operation pattern with smart machines such as user's electric energy meter or ac sampling devices; One road USB communication interface (9) realizes that the distribution transforming Intelligence Reactive Power is optimized measure and control device user program local upgrade and the data USB flash disk is copied and accepted.Micro power radio communication interface (10) adopts the micropower wireless data transfer module to realize the wireless transmission of distribution transformer monitoring data; The functions such as alarm are controlled, reached to the transmission of GPRS wireless communication module (11) realization distribution transforming real-time data acquisition, Real-time Load monitoring, Real-time Load, realize simultaneously long-distance on-line and remote reprogram and parameter setting, for the control of regional power grid idle work optimization provides technological means.
The distribution loop inlet wire is installed fuse (12) as always insurance, and distribution is installed residual current action breaker (13), integrates protection and the automatic reclosings such as overload, short circuit, extraordinary waveform, residual current, realizes distributor protection function.
Claims (2)
1. an Intelligence Reactive Power is optimized low-voltage compensation apparatus; mainly by the distribution transforming Intelligence Reactive Power optimize measurement and control unit, distribution transforming operating mode and electric energy quality monitoring unit, Reactive Compensation unit, electric energy metrical, checking meter forms with cascade module unit, communication unit, distribution loop, it is characterized in that: integrate distribution transforming operating mode and electric energy quality monitoring, electric energy metrical, load control, power distribution protection, Reactive Compensation, communication function.
2. a kind of Intelligence Reactive Power according to claim 1 is optimized low-voltage compensation apparatus, it is characterized in that: as the terminal compensation device of regional power grid Intelligence Reactive Power Optimization Compensation system, by the idle work optimization control of GPRS wireless communication module networking with the feasible region electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120508211 CN202872378U (en) | 2011-12-08 | 2011-12-08 | Intelligent reactive power optimization low-voltage compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120508211 CN202872378U (en) | 2011-12-08 | 2011-12-08 | Intelligent reactive power optimization low-voltage compensation device |
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| Publication Number | Publication Date |
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| CN202872378U true CN202872378U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120508211 Expired - Fee Related CN202872378U (en) | 2011-12-08 | 2011-12-08 | Intelligent reactive power optimization low-voltage compensation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269040A (en) * | 2014-10-20 | 2015-01-07 | 国家电网公司 | Power utilization information acquisition and orderly power utilization management system |
-
2011
- 2011-12-08 CN CN 201120508211 patent/CN202872378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269040A (en) * | 2014-10-20 | 2015-01-07 | 国家电网公司 | Power utilization information acquisition and orderly power utilization management system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20171208 |