CN202616782U - Reactive power cloud compensation system - Google Patents
Reactive power cloud compensation system Download PDFInfo
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- CN202616782U CN202616782U CN 201220061977 CN201220061977U CN202616782U CN 202616782 U CN202616782 U CN 202616782U CN 201220061977 CN201220061977 CN 201220061977 CN 201220061977 U CN201220061977 U CN 201220061977U CN 202616782 U CN202616782 U CN 202616782U
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- reactive power
- power compensation
- compensation terminal
- reactive
- router
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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
Abstract
The utility model discloses a reactive power cloud compensation system, comprising reactive power compensation devices arranged at the low-voltage ends of different stages of power transformers in a power grid and/or user terminals. Each reactive power compensation device is equipped with a reactive power compensation terminal, and the reactive power compensation terminals are communicated with each other and are communicated with the corresponding reactive power compensation devices via serial ports respectively; each reactive power compensation terminal comprises a reactive router which is communicated with a control platform in a power management department via a netting twine interface module of the reactive power router and is also communicated with the corresponding reactive power compensation terminal; each reactive power compensation device acquires the operation state data itself and transmits the data to the control platform via the corresponding reactive power compensation terminal and the reactive router orderly, each reactive power compensation terminal real-timely controls the switching of the corresponding reactive power compensation device according to an instruction of the control platform transmitted by the reactive router. According to the utility model, by switching the reactive power compensation devices reasonably, the reactive power optimization and accurate compensation in the power grid are realized under the premise of adding little investments.
Description
Technical field
The utility model relates to the compensation equipment of power system reactive power, especially a kind of reactive power cloud bucking-out system.
Background technology
In electric power network,, at present mainly be that power transmission and distribution link at electrical network adopts capacitor switching, or adopts current transformer to regulate dual mode to compensate to the compensation of reactive power.The major defect that this bucking-out system exists: one, adopt the capacitor switching compensation, fling-cut equipment is fixed, and the compensation inaccuracy because the fluctuation of power system reactive power is crossed and mended or owe to mend, usually makes energy-saving effect give a discount; Two, adopt the current transformer compensation, can realize Continuous Compensation, but input cost is very high reactive power; Three, the power transmission and distribution link at electrical network compensates, and is on bus, to compensate, and reactive capability is big, apparatus expensive, in case damage, big to electric network influencing, maintenance, replacing trouble.
To sum up, there is limitation in the use of reactive power compensating apparatus in the electrical network at present, and electricity needs increase change is very fast; In a short time; This electricity needs also can be along with the fluctuation of economy, and acute variation, and reactive power is from the power delivery to the compensation equipment or user side; Because the line loss of transmission line will produce extra loss.
The utility model content
The purpose of the utility model is: a kind of reactive power cloud bucking-out system is provided; Each said reactive power compensator all is furnished with the reactive power compensation terminal; Can be on the basis of existing electrical network; Through reasonable use reactive-load compensation equipment,, realize optimization, fine compensation to reactive power in the electrical network dropping under the few prerequisite of increase.
For realizing above-mentioned purpose, the utility model can be taked following technical proposals:
A kind of reactive power cloud of the utility model bucking-out system; Comprise the reactive power compensator that is arranged at each grade power transformer low-pressure end in the electrical network and/or user side respectively; Each said reactive power compensator all is furnished with the reactive power compensation terminal; The control module of each reactive power compensation terminal and corresponding reactive power compensator is through intercom through the remote communication module that sets within it between serial communication and each the reactive power compensation terminal mutually; Also comprise at least one idle router, said idle router is communicated by letter with the controlling platform that is arranged at electric administrative department through its netting twine interface module and is communicated by letter with the remote communication module at each said reactive power compensation terminal through its route remote communication module; Each reactive power compensator is gathered the running state data of himself and the power system reactive power data of corresponding position; Pass to controlling platform through corresponding reactive power compensation terminal, said idle router successively; Each said reactive power compensation terminal is according to the instruction of the controlling platform of being come by idle router transmission; Control the switching of corresponding reactive power compensator in real time, to realize compensation to the reactive power of electrical network.
Said controlling platform is according to the reactive power data at each reactive power compensator place and the running state data of each reactive power compensator; Switching to each reactive power compensator sorts; Near the preferential switching large-capacity electrical apparatus reactive power compensator, maximum until the power factor of electrical network.
Said reactive power compensation terminal also comprises control chip one, serial communication modular, memory module, display module and button; Said button is used to restart and the reactive power compensation terminal is set; Said display module is used to show the running status at reactive power compensation terminal and the information that reports an error; Said memory module is used to store the error message at reactive power compensation terminal, so that adjusting is carried out at the reactive power compensation terminal; Said idle router comprises control chip two, route remote communication module, information temporary storage device, netting twine interface module, connects button and indicator light; Said connection button is used to be provided with parameter and restarts idle router; Said indicator light is used to indicate running status, power supply status and the data passes state of idle router, and said information temporary storage device is used to store the operating state and the idle information characteristics key element at reactive power compensation terminal; Said controlling platform comprises display unit, host computer and slave computer; Said host computer comprises figure generation module, data disaply moudle, abnormal information processing module; Said slave computer comprises control chip three, platform communication module and keyboard; Said figure generation module is used to generate block diagram information; Said data disaply moudle is used for the demonstration of LED viewing area, and said abnormal information processing module is used for abnormal data information processing and demonstration, the control chip three-dimensional host computer Data transmission reactive power data and the abnormal data information of said slave computer.
Parallel connection is provided with feature identification module and information Recognition module between the information temporary storage device of said idle router and the control chip two; Information characteristics key element that the feature identification module stores is idle; When control chip sends write command, by the character recognition module characteristic element of the idle information of write and the idle information characteristics key element in the information temporary storage device are compared earlier, only upgrade different idle information characteristics key elements; And register; The information Recognition module extracts the idle information characteristics in the information temporary storage device, and the information that has sent to controlling platform with control chip two is compared, and the idle information characteristics key element that only will upgrade sends to control chip two; Updating element, said idle information characteristics key element comprises: reactive power compensation terminal address, periodicity and reactive power.
Compared with prior art the beneficial effect of the utility model is: owing to adopt technique scheme; In electrical network each grade power transformer low-pressure end and/or user side are equipped with reactive power compensator, and each said reactive power compensator all is furnished with the reactive power compensation terminal, the running state data of the corresponding reactive power compensator of each reactive power compensator collection and the power system reactive power data of corresponding position; Pass to controlling platform through corresponding reactive power compensation terminal, said idle router successively; The switching of corresponding reactive power compensator is controlled in real time according to the instruction of the controlling platform of being come by idle router transmission in each said reactive power compensation terminal, to realize the compensation to the reactive power of electrical network; The reactive power cloud bucking-out system of this structure; Overcome that prior art only compensates on bus that the reactive capability that is brought is big, apparatus expensive, in case damage defective such as, maintain and replace trouble big to electric network influencing, can be on the basis of the reactive power compensator of existing electrical network, through the control of said controlling platform; Reasonable each said reactive power compensator of switching; Dropping under the few prerequisite of increase, can communicate between the reactive power compensation terminal with one-level, upper level reactive power compensation terminal and next stage reactive power compensation terminal room can communicate; The state that reactive power cloud bucking-out system can collect each reactive power compensator (promptly; Whether be in running status, capacity, how many compensation capacities is at present; Also remain how many compensation capacities); Thereby send instruction through controlling platform, each reactive power compensator what of switching and switching compensation whether in the control electrical network, with realize to the reactive power at each position in the electrical network carry out in real time, accurate compensation (being that the reactive power cloud compensates).
Further beneficial effect is; Said controlling platform is according to the reactive power data at each reactive power compensator place and the running state data of each reactive power compensator; Switching to each reactive power compensator sorts; Near the preferential switching large-capacity electrical apparatus reactive power compensator, maximum until the power factor of electrical network.Can utilize the reactive power compensator that is distributed in the dispersion in the electrical network like this; Under the regulation and control of system; It is required idle to synthesize effective compensation, and the reactive power that reduces compensation is from the power delivery to the compensation equipment or the extra loss that produces because of the line loss of transmission line of user side.
Further beneficial effect is again; Because the introducing of idle router, between the information temporary storage device of said idle router and control chip two and be provided with feature identification module and information Recognition module, information characteristics key element that the feature identification module stores is idle; When control chip sends write command; By the character recognition module characteristic element of the idle information of write and the idle information characteristics key element in the information temporary storage device are compared earlier, only upgrade different idle information characteristics key elements, and register; The information Recognition module extracts the idle information characteristics in the information temporary storage device; The information that has sent to controlling platform with control chip two is compared, and the idle information characteristics key element that only will upgrade sends to control chip two, updating element; Said idle information characteristics key element comprises: reactive power compensation terminal address, periodicity and reactive power; Such system configuration, solved since in the electrical network state information amount of the electric network reactive compensation device of the data message amount of reactive power and corresponding position huge and directly restrict the computer reactive compensation system to the transmission of the collection of related data, control data, and the difficult problems such as raising of arithmetic speed, reduced cost; Improve arithmetic speed, thereby further optimized the compensation effect of power system reactive power.
Description of drawings
Fig. 1 is the layout and the communication structure sketch map at the reactive power compensation terminal of the utility model;
Fig. 2 is the syndeton sketch map of reactive power compensation terminal in electrical network of the utility model;
Fig. 3 is the structural representation at the reactive power compensation terminal of the utility model;
Fig. 4 is the structural representation of the idle router of the utility model;
Fig. 5 is the local optimum structural representation of Fig. 4;
Fig. 6 is the structural representation of the controlling platform of the utility model.
Embodiment
Shown in Fig. 1 to 6, a kind of reactive power cloud of the utility model bucking-out system comprises reactive power compensator 1, reactive power compensation terminal 2, idle router three and controlling platform 4;
Said reactive power compensation terminal 2 comprises control chip 1, serial communication modular 202, memory module 203, remote communication module 204, display module 205 and button 206; Said button 206 is used to restart and reactive power compensation terminal 2 is set; Said display module 205 is used to show the running status at reactive power compensation terminal 2 and the information that reports an error; Said memory module 203 is used to store the error message at reactive power compensation terminal 2, so that controlling platform 4 or manual work are carried out adjusting to reactive power compensation terminal 2.This just makes the described reactive power compensation of the utility model terminal to gather existing reactive power compensator information in the electrical network; The running state data of reactive power compensator and the power system reactive power data of corresponding position in controlling platform (control system) transmission electrical network; And real-time director data to corresponding reactive power compensator transmission controlling platform; The switching of control reactive power compensator, thus realized the reactive power at each position in the electrical network is carried out in real time, compensated accurately.With respect to former reactive power compensator; The combination of the utility model reactive power compensation terminal and reactive power compensator; Make reactive power compensator through the reactive power compensation terminal realized with the control centre platform between intercommunication mutually; Make the compensation equipment of reactive power compensator from grid nodes become a kind of can communicating with controlling platform as required, situation such as operation exception are in time sent to controlling platform, and be controlled platform control.With respect to former reactive power compensator; What is more important; The utility model reactive power compensation terminal possesses the function of mutual communication; This just makes and can carry out networking flexibly as required between compensation equipment, and the quantity that constitutes the reactive power compensation terminal of subnet can be from 2 to n platforms, and the numeral of n (final platform number) depends on the communication protocol that is adopted; The flexible communications at reactive power compensation terminal and the characteristics of networking make the reactive power compensation terminal have multiple mode of operation, except local compensation; Also having---the abnormality processing pattern: in case occur unusually, the reactive power compensator in the electrical network sends to the reactive power compensation terminal with error message through serial ports; The reactive power compensation terminal is transmitted to controlling platform and reactive power compensation terminal on every side with this information again; Under the control of control centre,, resume operation again through the information that send at the reactive power compensation terminal; Cooperative work mode: the reactive power compensation terminal, through remote communication module, carry out mutual communication; The collaborative compensation of accomplishing for a certain part of electrical network; The realization compensation that becomes more meticulous compared to prior art, compensates meticulousr; Compensation is more optimized, and more helps giving full play to the performance of existing reactive power compensator in the electrical network;
Said idle router three is different from the Internet network router; Its purpose is not the forwarding of realization information between different sub-network; But realize the information state at reactive power compensation terminal 2 is transmitted to controlling platform 4, the instruction of controlling platform 4 is transmitted to reactive power compensation terminal 2.Said idle router three comprises control chip 2 301, route remote communication module 302, information temporary storage device 303, netting twine interface module 304, connects button 305 and indicator light 306; Said control chip 2 301 is made up of single-chip microcomputer or asic chip or FPGA; Said connection button 305 is used to be provided with parameter and restarts idle router three; Said indicator light 306 is used to indicate running status, power supply status and the data passes state of idle router three, and said information temporary storage device 303 is used to store the operating state at reactive power compensation terminal 2; As preferably; Between the information temporary storage device 303 of idle router three and the control chip 2 301 and be provided with feature identification module 307 and information Recognition module 308; The idle information characteristics key element of feature identification module 307 storages; When control chip sends write command, the characteristic element of the idle information of write is compared earlier different idle information characteristics key element in the lastest imformation buffer 303 with information temporary storage device 303 interior idle information characteristics key elements by character recognition module 307; And register; Information Recognition module 307 extracts the idle information characteristics in the information temporary storage device 303, and the information that has sent to controlling platform 4 with control chip 2 301 is compared, and the idle information characteristics key element that only will upgrade sends to control chip 2 301; Upgrade idle information characteristics key element, said idle information characteristics key element comprises: reactive power compensation terminal address, periodicity and reactive power;
Said controlling platform 4 comprises display unit 401, host computer and slave computer; Said host computer comprises figure generation module 402, data disaply moudle 403, abnormal information processing module 404; Said slave computer comprises control chip 3 405, platform communication module 406 and keyboard 407; Said figure generation module 402 is used to generate block diagram information; Said data disaply moudle 403 is used for the demonstration of LED viewing area, and said abnormal information processing module 404 is used for abnormal data information processing and demonstration, and the control chip 3 405 of said slave computer is to host computer Data transmission reactive power data and abnormal data information;
Power transformer low-pressure ends at different levels and the bigger user side of electrical capacity are equipped with reactive power compensator 1 in the electrical network; Each said reactive power compensator 1 all is furnished with described reactive power compensation terminal 2; The control module 101 of each reactive power compensation terminal 2 and corresponding reactive power compensator 1 is through intercom through the remote communication module 204 that sets within it between serial communication and each the reactive power compensation terminal 2 mutually, and idle router three is communicated by letter with the controlling platform that is arranged at electric administrative department 4 through its netting twine interface module 304 and passed through its route remote communication module 302 and communicate by letter with the remote communication module 204 at each said reactive power compensation terminal 2; Each reactive power compensator 1 is gathered the running state data of himself and the power system reactive power data of corresponding position; Pass to controlling platform 4 through corresponding reactive power compensation terminal 2, said idle router three successively; Each said reactive power compensation terminal 2 is according to the instruction of the controlling platform 4 of being come by idle router three transmission; Control the switching of corresponding reactive power compensator 1 in real time, to realize compensation to the reactive power of electrical network.As preferably; Said controlling platform 4 is according to the reactive power data at each reactive power compensator 1 place and the running state data of each reactive power compensator; Switching to each reactive power compensator 1 sorts; Near the preferential switching large-capacity electrical apparatus reactive power compensator 1, maximum until the power factor of electrical network.
Claims (1)
1. reactive power cloud bucking-out system; Comprise the reactive power compensator (1) that is arranged at each grade power transformer low-pressure end in the electrical network and/or user side respectively; It is characterized in that: each said reactive power compensator (1) all is furnished with reactive power compensation terminal (2); The control module (101) of each reactive power compensation terminal (2) and corresponding reactive power compensator (1) is through intercom through the remote communication module (204) that sets within it between serial communication and each the reactive power compensation terminal (2) mutually; Also comprise at least one idle router (3), said idle router (3) is communicated by letter with the controlling platform that is arranged at electric administrative department (4) through its netting twine interface module (304) and is communicated by letter with the remote communication module (204) at each said reactive power compensation terminal (2) through its route remote communication module (302);
Each reactive power compensator (1) is gathered the running state data of himself and the power system reactive power data of corresponding position; Pass to controlling platform (4) through corresponding reactive power compensation terminal (2), said idle router (3) successively; Each said reactive power compensation terminal (2) is according to the instruction of the controlling platform (4) of being come by idle router (3) transmission; Control the switching of corresponding reactive power compensator (1) in real time, to realize compensation to the reactive power of electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220061977 CN202616782U (en) | 2012-02-24 | 2012-02-24 | Reactive power cloud compensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220061977 CN202616782U (en) | 2012-02-24 | 2012-02-24 | Reactive power cloud compensation system |
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| Publication Number | Publication Date |
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| CN202616782U true CN202616782U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220061977 Expired - Lifetime CN202616782U (en) | 2012-02-24 | 2012-02-24 | Reactive power cloud compensation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593843A (en) * | 2012-02-24 | 2012-07-18 | 杭州再灵电子科技有限公司 | Cloud compensation system for reactive power |
| CN104600837A (en) * | 2013-10-31 | 2015-05-06 | 南通富士特电力自动化有限公司 | ZigBee and RS485 communication mode based quick reactive compensation controller |
-
2012
- 2012-02-24 CN CN 201220061977 patent/CN202616782U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593843A (en) * | 2012-02-24 | 2012-07-18 | 杭州再灵电子科技有限公司 | Cloud compensation system for reactive power |
| CN102593843B (en) * | 2012-02-24 | 2014-04-23 | 杭州再灵电子科技有限公司 | Cloud compensation system for reactive power |
| CN104600837A (en) * | 2013-10-31 | 2015-05-06 | 南通富士特电力自动化有限公司 | ZigBee and RS485 communication mode based quick reactive compensation controller |
| CN104600837B (en) * | 2013-10-31 | 2017-03-15 | 南通富士特电力自动化有限公司 | A kind of idle quick compensating controller based on ZigBee and RS485 communication modes |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang Province, Binjiang District 310000 (pro) East Road No. 1805 Building 2 layer five Patentee after: ZHEJIANG NEW ZAILING TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 River Street East Road No. 1810 building 3 layer 3 Patentee before: Hangzhou Zailing Electronic Technology Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu xinzailing Intelligent Technology Co., Ltd Assignor: ZHEJIANG XINZAILING TECHNOLOGY Co.,Ltd. Contract record no.: X2020980000583 Denomination of utility model: Cloud compensation system for reactive power Granted publication date: 20121219 License type: Common License Record date: 20200311 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |