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Development of advanced Power Factor Computation Algorithm in Harmonics distorted Distribution System
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 Title & Authors
Development of advanced Power Factor Computation Algorithm in Harmonics distorted Distribution System
Lee, Hyun-woo; Park, Young-kyun; Lee, Jinhan; Joung, Sanghyun; Park, Chul-woo;
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 Abstract
We propose a algorithm to calculate power factor of fundamental waveform in an environment where the voltage and current have been distorted by harmonics. In the proposed power factor computation algorithm, voltage and current are converted to rotating DQ reference frame, and power factor is calculated from active power and reactive power. We compare the proposed method with the conventional power factor measurement method as mathematically. In a condition that voltage and current are distorted by harmonics, the proposed method accurately measure the power factor of fundamental wave, and it is confirmed by simulation using MATLAB. If the proposed power factor measurement method is applied to an automatic power factor control system, a power factor compensation performance can be maximized in harmonic distortion environment. As a result, it is possible to reduce electricity prices, reduce line loss, increase load capacity, ensure the transmission margin capacity, and reduce the amount of power generation.
 Keywords
power factor;DQ transform;harmonics distortion;power factor correction;
 Language
Korean
 Cited by
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