A current-source active power filter that consists of a current source active filter (AF) and second-order high-pass filters (HPFs) is described. A pulse-width-modulation (PWM) control method is described. It is shown that excellent total filter performance over a wide frequency range is obtained with a low AF switching frequency. The design criteria for AF and HPF, i.e. the carrier frequency of AF, the component values of HPF, and the inductance of a DC reactor, are presented. The compensation characteristics of the filter are derived from experimental results.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Fukuda et al. (2002) studied this question.
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