CN202150701U - Reactive compensation control system - Google Patents
Reactive compensation control system Download PDFInfo
- Publication number
- CN202150701U CN202150701U CN 201120227141 CN201120227141U CN202150701U CN 202150701 U CN202150701 U CN 202150701U CN 201120227141 CN201120227141 CN 201120227141 CN 201120227141 U CN201120227141 U CN 201120227141U CN 202150701 U CN202150701 U CN 202150701U
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- control module
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- chopping
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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 discloses a reactive compensation control system. The reactive compensation control system comprises a DSP (Digital Signal Processor) control module, a fast reactive calculation module, a reactive power optimization and distribution module, a human-machine interface control module, an alternating-current (AC) chopping control module, a continuous reactive regulation module and a capacitor bank control module, wherein the fast reactive calculation module, the reactive power optimization and distribution module, the human-machine interface control module and the AC chopping control module are respectively connected with the DSP control module, the continuous reactive regulation module and the capacitor bank control module are sequentially connected with the AC chopping control module, and the continuous reactive regulation module comprises an AC-AC converter. The reactive compensation control system continuously regulates and compensates the voltage on capacitors by using the AC-AC converter, so as to realize the capacitive and reactive continuous regulation.
Description
Technical field
The utility model relates to a kind of reactive compensation control system.
Background technology
Great majority load consume reactive power in the electric power system if exist a large amount of reactive powers to flow in the supply line, can cause the mains supply ability to be not fully utilized, and causes the significant amount of energy loss simultaneously.Therefore reactive power compensation is the energy-saving and cost-reducing requisite measure of electric power system; Inductive load accounts for the overwhelming majority in load or burden without work at present; And these loads constantly change idle demand, so the reactive-load compensator main task provides continuously adjustable capacitive reactive power in practical application.But; The operation of existing reactive power compensator is not through test for a long time, and cost is very high, and now a lot of application scenarios does not need so high reactive power compensation speed and precision; The standard configuration reactive-load compensation equipment of simultaneously present each transformer station; Be the capacitor group switching mode of power factor controller+contactor or capacitor control, and the maximum deficiency of this kind equipment is that frequent switching causes life of capacitors not long, and can not accomplishes continuous reactive power compensation.Therefore, how to realize easily and quickly capacitive reactive power continuous adjusting, become insider's problem demanding prompt solution.
Summary of the invention
The purpose of the utility model is to overcome the defective of prior art and a kind of reactive compensation control system is provided, and it utilizes the AC-AC converter to regulate the voltage on the building-out capacitor continuously, realizes the continuous adjusting of capacitive reactive power.
The technical scheme that realizes above-mentioned purpose is:
A kind of reactive compensation control system; Comprise a DSP (microprocessor) control module; The fast reactive computing module, a reactive power optimized distribution module, a man-machine interface control module and the AC chopping control module that are connected respectively with this DSP control module; And the continuous reactive adjustment module and the capacitor group control module that are connected successively with said AC chopping control module, wherein:
Said DSP control module is sent first control signal respectively and is given said fast reactive computing module; Second control signal is given said reactive power optimized distribution module; The 3rd control signal is given said man-machine interface control module; Receive the feedback signal of said fast reactive computing module, generate PWM (pulse-width modulation) waveform, and send pwm signal and give said AC chopping control module;
Said fast reactive computing module receives said first control signal, system power and voltage calculating and sending is sent feed back signal to said DSP control module;
Said reactive power optimized distribution module receives said second control signal, confirms the OPTIMAL REACTIVE POWER distribution condition of current state;
Said man-machine interface control module receives said the 3rd control signal, and user right and idle control mode are set;
Said AC chopping control module receives said pwm signal, and sending controling instruction is given said continuous reactive adjustment module;
Said continuous reactive adjustment module receives control command, and said capacitor group control module is realized PWM control.
Above-mentioned reactive compensation control system, wherein, said AC chopping control module comprises an AC chopper.
Above-mentioned reactive compensation control system, wherein, said continuous reactive adjustment module comprises an AC-AC converter.
The beneficial effect of the utility model is: the utility model utilizes the AC-AC converter to regulate the voltage on the building-out capacitor continuously, realizes the continuous adjusting of capacitive reactive power; Simultaneously, it is simple that it has control, the characteristics that are easy to realize.
Description of drawings
Fig. 1 is the structured flowchart of the reactive compensation control system of the utility model.
Embodiment
To combine accompanying drawing that the utility model is described further below.
See also Fig. 1; A kind of reactive compensation control system of the utility model; Comprise DSP control module 1, the fast reactive computing module 2, reactive power optimized distribution module 3, man-machine interface control module 4 and the AC chopping control module 5 that are connected respectively with DSP control module 1, and the continuous reactive adjustment module 6 and capacitor group control module 7 that are connected successively with AC chopping control module 5; Wherein
AC chopping control module 5 comprises an AC chopper (not indicating among the figure); Continuous reactive adjustment module 6 comprises an AC-AC converter (not indicating among the figure);
In the present embodiment, to select the public model of Texas Instruments (TI) for use be the dsp chip of TMS320F28335 to the core control element of DSP control module 1.The current/voltage of 2 pairs of system power voltages of DSP control module 1 control fast reactive computing module, AC chopping module 5 calculates, and obtains idle output situation and system's reactive power compensation effect of system's each several part; DSP control module 1 generates the PWM waveform through control strategy, controls reactive power optimized distribution module 3 simultaneously and calculates and the current idle distribution condition that has dropped into through the reactive power to required compensation, confirms the OPTIMAL REACTIVE POWER distribution condition of current state; Man-machine interface control module 4 receives the control of DSP control modules 1, realizes man-machine alternately, is used for the setting of idle control mode of setting and the user-selected usefulness of user right, controls the definite of the required power factor that reaches; AC chopping control module 5 is through the idle power output to AC chopper; Simultaneously through calculating to output current and voltage; The FEEDBACK CONTROL of acquisition equipment guarantees precision and speed that PWM controls, realizes the PWM control to the AC-AC converter in the continuous reactive adjustment module 6 simultaneously; Thereby control capacitance device group control module 7 realizes the switching of capacitor group (not shown), accomplishes needed reactive power compensation amount.
In the present embodiment, except that DSP control module 1, remaining each module is all selected existing and commonly used module.
In sum, the reactive compensation control system of the utility model can utilize the AC-AC converter to regulate the voltage on the building-out capacitor continuously, realizes the continuous adjusting of capacitive reactive power.
The foregoing description provides to being familiar with personnel in this area and realizes or use the utility model; Being familiar with those skilled in the art can be under the situation of the invention thought that does not break away from the utility model; The foregoing description is made various modifications or variation; Thereby the protection range of the utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (3)
1. reactive compensation control system; It is characterized in that; Comprise a DSP control module; The fast reactive computing module, a reactive power optimized distribution module, a man-machine interface control module and the AC chopping control module that are connected respectively with this DSP control module, and the continuous reactive adjustment module and the capacitor group control module that are connected successively with said AC chopping control module, wherein:
Said DSP control module is sent first control signal respectively and is given said fast reactive computing module; Second control signal is given said reactive power optimized distribution module; The 3rd control signal is given said man-machine interface control module; Receive the feedback signal of said fast reactive computing module, generate the PWM waveform, and send pwm signal and give said AC chopping control module;
Said fast reactive computing module receives said first control signal, system power and voltage calculating and sending is sent feed back signal to said DSP control module;
Said reactive power optimized distribution module receives said second control signal, confirms the OPTIMAL REACTIVE POWER distribution condition of current state;
Said man-machine interface control module receives said the 3rd control signal, and user right and idle control mode are set;
Said AC chopping control module receives said pwm signal, and sending controling instruction is given said continuous reactive adjustment module;
Said continuous reactive adjustment module receives control command, and said capacitor group control module is realized PWM control.
2. reactive compensation control system according to claim 1 is characterized in that, said AC chopping control module comprises an AC chopper.
3. reactive compensation control system according to claim 1 is characterized in that, said continuous reactive adjustment module comprises an AC-AC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120227141 CN202150701U (en) | 2011-06-30 | 2011-06-30 | Reactive compensation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120227141 CN202150701U (en) | 2011-06-30 | 2011-06-30 | Reactive compensation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202150701U true CN202150701U (en) | 2012-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120227141 Expired - Fee Related CN202150701U (en) | 2011-06-30 | 2011-06-30 | Reactive compensation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202150701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856914A (en) * | 2011-06-30 | 2013-01-02 | 上海市电力公司 | Reactive compensation control system |
-
2011
- 2011-06-30 CN CN 201120227141 patent/CN202150701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856914A (en) * | 2011-06-30 | 2013-01-02 | 上海市电力公司 | Reactive compensation control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120222 Termination date: 20190630 |