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A Study on the Single Phase Voltage-Controlled Active Power Filter for Power Quality Improvement  

손진근 (경원전문대학 전기제어시스템과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.52, no.5, 2003 , pp. 238-245 More about this Journal
Abstract
In this paper, a single Phase voltage source voltage-controlled active power filter(APF) for power quality improvement was proposed. The proposed APF has the performance of harmonic suppression and unity power factor correction. The performance of harmonic suppression can be obtained by controlling the waveshape of the APF output voltage to be sine wave. And, unity power factor is controlled by the reactive power control loop of the APF output. Simulation and experimental results using diode rectifier showed that the voltage-controlled APF, unlike the current-controlled APF, can reduce the voltage harmonics as well as current harmonics. Also the results showed that the input dover factor and power quality were greatly improved.
Keywords
Active Power Filter(APF); Power Quality; Reactive Power; Harmonic Suppression; Unity Power Factor;
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