Reactive compensation method and device having transformer reactive current real-time compensation function
A real-time compensation and compensation device technology, applied in the direction of reactive power adjustment/elimination/compensation, circuit devices, electrical components, etc., can solve the problems of no transformer reactive power compensation, user power factor can not meet the standard, etc., to reduce switching times, achieve rapidity and non-polarity, and solve the effect of low power factor
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[0047] Starting from the principle of the present invention, the present invention will be described in detail in conjunction with the accompanying drawings.
[0048] The present invention realizes the optimization of the mixed control of SVG and TSC by detecting the instantaneous value of grid-side current in real time, and at the same time compensates the reactive power loss of the transformer in real time, which is embodied in the following two aspects:
[0049] 1. Optimal control
[0050] According to the size of the detected reactive power on the grid side, determine the number of capacitor banks to be put into operation, and then use the switching strategy as a limiting condition, and obtain the only switching combination with the least input according to the optimal control theory, and control N branches capacitor bank (the N branch capacitor bank can be equal-capacity capacitor bank or unequal-capacity capacitor bank), and the optimal selection of the cooperation proce...
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