Automatic reactive power compensation control device
A technology of automatic compensation and control device, applied in the direction of reactive power adjustment/elimination/compensation, reactive power compensation, etc., can solve the problem of affecting the quality of power supply, unit economic loss, and the inability of automatic reactive power compensation control device to adjust the power factor. problems such as numerical values to achieve the effect of improving the quality of power supply
Inactive Publication Date: 2014-11-19
高憨才
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Problems solved by technology
[0002] At present, there are some undercompensation problems in the reactive power automatic compensation control device. When the inductive current value in the circuit is low, the reactive power automatic compensation control device cannot adjust the power factor value, causing economic losses to the unit and affecting the quality of power supply.
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[0020] The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the text of the description.
[0021] Such as figure 1 As shown, the present invention provides a reactive power automatic compensation control device, which is connected to a current transformer of the circuit to generate a current signal. This current signal is transmitted to the current acquisition signal, converted into a current digital signal, and transmitted to the processing The processor compares the received signal with the set undercurrent blocking value. The undercurrent blocking value can be designed through the setting panel to maximize the effect of the device. When the current digital signal value is less than When the undercurrent blocking value is set, the processor sends out the small-capacity reactive power compensation control circuit to work, and the reactive power compensation ...
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The invention discloses an automatic reactive power compensation control device. The automatic reactive power compensation control device comprises a current transformer for collecting and outputting current signals, a collecting module for receiving the current signals, a processor module, a reactive power compensator control module and a small-capacity reactive power control module, wherein the processor module receives electrical parameters, sends a switching control signal to the reactive power compensator control module and the small-capacity reactive power control module and displays a power factor value; the reactive power compensator control module receives the switching control instruction sent by the processor module and then stops a small-capacity reactive power control circuit, and at the same time, a reactive power compensator circuit starts to work; the small-capacity reactive power control module receives the switching control instruction sent by the processor module, then stops the reactive power compensator circuit and sends a small-capacity reactive power control circuit instruction. By additional arrangement of the small-capacity reactive power control circuit, it is ensured that when small reactive current in a circuit exists, a higher power factor value is provided. Meanwhile, automatic switching is achieved, the power supply quality is improved, and corresponding economic benefits are brought to enterprises.
Description
Technical field [0001] The invention relates to a reactive power automatic compensation control device. Background technique [0002] At present, the reactive power automatic compensation control device has some under-compensation problems. When the inductive current value in the circuit is low, the reactive power automatic compensation control device cannot adjust the power factor value, causing economic losses to the unit, and affecting the quality of power supply . Summary of the invention [0003] The invention designs and develops a reactive power automatic compensation control device. In the present invention, a small-capacity reactive power control circuit is added to ensure that a higher power factor value is provided when the circuit has a smaller inductive current. At the same time, the present invention realizes automatic switching, improves power supply quality, and brings corresponding economic benefits to enterprises. [0004] The technical scheme provided by the pr...
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IPC IPC(8): H02J3/18
CPCY02E40/30
Inventor 高憨才
Owner 高憨才