CN203481836U - Dynamic reactive power compensation controller - Google Patents
Dynamic reactive power compensation controller Download PDFInfo
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- CN203481836U CN203481836U CN201320644136.7U CN201320644136U CN203481836U CN 203481836 U CN203481836 U CN 203481836U CN 201320644136 U CN201320644136 U CN 201320644136U CN 203481836 U CN203481836 U CN 203481836U
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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 dynamic reactive power compensation controller, and mainly solves problems in the prior art that a compensation controller cannot fast track reactive changes of a system load so as to make a real-time dynamic response and cannot effectively suppress the harmonic wave interference of the system, and resulting problems that serious grid harmonic wave pollution is generated and the technical development needs cannot be met. The dynamic reactive compensation controller comprises a shell, and following parts which are arranged in a box body: a central processor, an A / D conversion module, a liquid crystal display module, a communication module, a keyboard module, an output interface, a real-time clock, a memory and a power supply, and a current and voltage sampling module which is connected with the A / D conversion module; wherein the A / D conversion module, the liquid crystal display module, the communication module, the keyboard module, the output interface, the real-time clock, the memory and the power supply are respectively connected with the central processor. Through the above technical scheme, the dynamic reactive power compensation controller can effectively filter the harmonic wave interference in the system; the purpose of safety and reliability is realized; and the quite high practical value and popularization value are realized.
Description
Technical field
The utility model relates to a kind of controller, specifically, relates to a kind of Controller for Dynamic VAR Compensation.
Background technology
At present, transmission of electricity and distribution system normal operation are under power frequency component time, and along with the increase of a large amount of nonlinear-load power consumption equipments, the harmonic wave that injects electrical network also can increase thereupon, thereby can cause the wave distortion of voltage and electric current, cause the quality degradation of electric energy.Traditional low-voltage reactive power controller can not THE FAST TRACKING SYSTEM FOR reactive load variation, make real-time dynamic response, can not effectively suppress the humorous wave interference of system, thereby there will be serious harmonic pollution in electric power net, can not meet technical development demand.
Utility model content
The purpose of this utility model is to provide a kind of Controller for Dynamic VAR Compensation, mainly solve the variation that the compensating controller that exists in prior art can not THE FAST TRACKING SYSTEM FOR reactive load, make real-time dynamic response, the humorous wave interference that can not effectively suppress system, thereby there will be serious harmonic pollution in electric power net, can not meet the problem of technical development demand.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Controller for Dynamic VAR Compensation, comprises shell, also comprises:
Power supply, provides normal operation required electric energy;
Electric current and voltage sampling module, gathers voltage, current signal, and by the AC signal collecting be converted to be passed to after analog signal meter A D modular converter;
A D modular converter, after the analog signal that the transmission of electric current and voltage sampling module is come is converted to digital signal, be passed to central processing unit;
Central processing unit, by A D modular converter transmission and the digital signal come is processed, and according to result output control command to output interface;
Communication module, carries out transfer of data;
LCD MODULE, carries out state demonstration according to the control of central processing unit;
Keysheet module, carries out operational order input;
Real-time clock, carries out timing;
Output interface, carries out state of a control output according to the control of central processing unit;
Memory, carries out data storage;
Described real-time clock, LCD MODULE, Keysheet module, communication module, output interface, memory, power supply, A D modular converter be all connected with central processing unit, described electric current and voltage sampling module and A D modular converter be connected, wherein, real-time clock, communication module, memory, power supply, A D modular converter and electric current and voltage sampling module all integrated and be fixed in shell.
Specifically, described power supply comprise power management chip and be connected in power management chip and central processing unit between power-switching circuit.
Consider the convenience of use, on described central processing unit, be provided with LCD interface, keyboard interface and communication interface, described LCD MODULE is connected in LCD interface, and described Keysheet module is connected on keyboard interface, and described communication module is connected in communication interface.
Consider the reliability of transfer of data, in described communication module, be provided with multi-path serial communication port, on described central processing unit, be provided with 232 interfaces corresponding with multi-path serial communication port and 485 interfaces.
As preferably, described LCD MODULE is liquid crystal display; Described central processing unit adopts TMS320F2808 chip as process chip; Described real-time clock adopts DS3231; Described liquid crystal display is LCM128*64 module.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model, by the ingenious setting to each device, module and interface, can change by THE FAST TRACKING SYSTEM FOR reactive load, real-time dynamic response, empirical tests, system control response time≤15ms.The reactive power of bucking-out system fast and effectively, and then effectively suppress the humorous wave interference of system, avoid harmonic pollution in electric power net, realistic demand.
(2) by using the utility model, the total percent harmonic distortion of voltage, the total percent harmonic distortion of electric current etc. can be shown in real time, harmonic wave can be effectively administered, within harmonic wave is suppressed to normal range (NR), thus the reliability while effectively having guaranteed the utility model application.
(3) the utility model has 1 road RS232,1 road RS485, can realize on-site data gathering and remote data communication, if connect GPRS module, can realize covering domestic data access and control operation, and RS232 communication interface can connect palmtop PC and carry out real-time communication, parameter setting and operation control, RS485 communication interface can be used for forming supervisory control system with main frame or distribution terminal networking, and communication system is very perfect.
(4) the utility model is with low cost, simple to operate, reliable, easy to maintenance, meets people's demand.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and execution mode of the present utility model includes but not limited to the following example.
Embodiment
In order to solve the variation that the compensating controller that exists in prior art can not THE FAST TRACKING SYSTEM FOR reactive load, make real-time dynamic response, the humorous wave interference that can not effectively suppress system, thereby there will be serious harmonic pollution in electric power net, can not meet the problem of technical development demand, as shown in Figure 1, the utility model discloses a kind of Controller for Dynamic VAR Compensation, it comprises shell, and power supply, electric current and voltage sampling module, A D modular converter, central processing unit, communication module, output interface, memory, LCD MODULE and Keysheet module are in the enclosure set.
Wherein, central processing unit respectively with A D modular converter, LCD MODULE, communication module, Keysheet module, output interface, real-time clock, memory be connected with power supply.
Power supply is comprised of power management chip and power-switching circuit, in order to the electric energy of generator work and control output; The output of electric current and voltage sampling module and A D modular converter be connected, in order to gather voltage, current signal, and by the AC signal collecting be converted to be passed to after analog signal meter A D modular converter; A the output of D modular converter and the IO mouth of central processing unit be connected, in order to by the transmission of electric current and voltage sampling module and the analog signal of coming is passed to central processing unit after being converted to digital signal; Communication module is connected with central processing unit, in order to carry out transfer of data; Central processing unit in order to by A D modular converter transmission and the digital signal come is processed, and according to result output control command to output interface; LCD MODULE is carried out state demonstration according to the control of central processing unit; Keysheet module carries out operational order input; Real-time clock carries out timing; Output interface carries out state of a control output according to the control of central processing unit; Memory carries out data storage.
Consider the convenience of application, LCD MODULE is connected with the IO mouth of central processing unit, and on central processing unit, is provided with corresponding LCD interface; Keysheet module is connected with the IO mouth of central processing unit, and on central processing unit, is provided with corresponding keyboard interface; Described output interface is in order to control capacitor quick-switching.
As preferably: CPU module adopts TMS320F2808; Liquid crystal display adopts LCM128*64; Real-time clock adopts DS3231.
Consider the reliability of transfer of data, in described communication module, be provided with multi-path serial communication port, on described central processing unit, be provided with 232 interfaces corresponding with multi-path serial communication port and 485 interfaces.
In the utility model, each module and device are existing, at this, just more do not speak more bright.
According to above-described embodiment, just can realize well the utility model.
Claims (6)
1. Controller for Dynamic VAR Compensation, comprises shell, it is characterized in that, also comprises:
Power supply, provides normal operation required electric energy;
Electric current and voltage sampling module, gathers voltage, current signal, and by the AC signal collecting be converted to be passed to after analog signal meter A D modular converter;
A D modular converter, after the analog signal that the transmission of electric current and voltage sampling module is come is converted to digital signal, be passed to central processing unit;
Central processing unit, by A D modular converter transmission and the digital signal come is processed, and according to result output control command to output interface;
Communication module, carries out transfer of data;
LCD MODULE, carries out state demonstration according to the control of central processing unit;
Keysheet module, carries out operational order input;
Real-time clock, carries out timing;
Output interface, carries out state of a control output according to the control of central processing unit;
Memory, carries out data storage;
Described real-time clock, LCD MODULE, Keysheet module, communication module, output interface, memory, power supply, A D modular converter be all connected with central processing unit, described electric current and voltage sampling module and A D modular converter be connected, wherein, real-time clock, communication module, memory, power supply, A D modular converter and electric current and voltage sampling module all integrated and be fixed in shell.
2. Controller for Dynamic VAR Compensation according to claim 1, is characterized in that, described power supply comprise power management chip and be connected in power management chip and central processing unit between power-switching circuit.
3. Controller for Dynamic VAR Compensation according to claim 2, it is characterized in that, on described central processing unit, be provided with LCD interface, keyboard interface and communication interface, described LCD MODULE is connected in LCD interface, described Keysheet module is connected on keyboard interface, and described communication module is connected in communication interface.
4. Controller for Dynamic VAR Compensation according to claim 3, is characterized in that, is provided with multi-path serial communication port in described communication module, is provided with 232 interfaces corresponding with multi-path serial communication port and 485 interfaces on described central processing unit.
5. Controller for Dynamic VAR Compensation according to claim 4, is characterized in that, described LCD MODULE is liquid crystal display.
6. Controller for Dynamic VAR Compensation according to claim 5, is characterized in that, described central processing unit adopts TMS320F2808 chip as process chip; Described real-time clock adopts DS3231; Described liquid crystal display is LCM128*64 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644136.7U CN203481836U (en) | 2013-10-18 | 2013-10-18 | Dynamic reactive power compensation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644136.7U CN203481836U (en) | 2013-10-18 | 2013-10-18 | Dynamic reactive power compensation controller |
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| Publication Number | Publication Date |
|---|---|
| CN203481836U true CN203481836U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320644136.7U Expired - Fee Related CN203481836U (en) | 2013-10-18 | 2013-10-18 | Dynamic reactive power compensation controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485511A (en) * | 2020-12-11 | 2021-03-12 | 国网辽宁省电力有限公司阜新供电公司 | Alternating current sampling device based on tracking compensation algorithm and sampling compensation method thereof |
-
2013
- 2013-10-18 CN CN201320644136.7U patent/CN203481836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485511A (en) * | 2020-12-11 | 2021-03-12 | 国网辽宁省电力有限公司阜新供电公司 | Alternating current sampling device based on tracking compensation algorithm and sampling compensation method thereof |
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Address after: 610000 International Exhibition Trade Center, 2, Pioneer Road, hi tech Zone, Sichuan, Chengdu, 7F Patentee after: Chengdu Xingyu Rongke Power Electronics Co.,Ltd. Address before: 610000 International Exhibition Trade Center, 2, Pioneer Road, hi tech Zone, Sichuan, Chengdu, 7F Patentee before: CHENGDU XINGYU ENERGY-SAVING TECHNOLOGY Co.,Ltd. |
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| 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: 20140312 Termination date: 20211018 |