Power Quality Improvement Using a Sliding Mode Control of a Series Active Filter
Theerayuth Chatchanay
Abstract:A sliding mode controller (SMC) for a three-phase series active filter was proposed to compensate voltage unbalances, suppress voltage sags and swells and hence improve the power quality of a three-phase ac system. The voltage unbalance compensation and regulation is only based on the positive sequence component decomposition of the supply voltage that is then adjusted to a rated value and used as the reference voltage for the sliding mode controller. This study also includes compensation algorithm, design equ… Show more
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