Distributed power quality conditioner and method for controlling same
A power quality and regulator technology, applied in reactive power adjustment/elimination/compensation, AC network to reduce harmonics/ripple, reactive power compensation, etc., can solve the problem of high cost, inflexible installation location and capacity configuration, Control complex problems to achieve the effect of reducing power cost, improving power quality, and reducing system capacity
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[0045] The distributed power quality regulator of the present invention is composed of a series compensation device and a parallel compensation device. The series compensation device is installed at the front end of the sensitive load or common coupling point which is sensitive to voltage, so as to provide higher voltage quality for all feeders after the sensitive load or common coupling point. The shunt compensation device is installed near the end of the feeder with impact and nonlinear sensitive loads or before the common coupling point, so that a good current waveform can be maintained before the load or before the common coupling point PCC without affecting other sensitive loads. Each series compensation device and each parallel compensation device contains at least one central controller. In addition to realizing its own local operation control, the central controller also includes a communication unit, a central controller of the series compensation device or parallel co...
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