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Due to a large amount of non-linear power electronic equipments, impact and fluctuating loads (such as that of arc furnace, heavy merchant mill and electric locomotive, etc), problems of power quality have become more and more serious with each passing day, as a result Active power filter (APF) gains much more attention due to excellent harmonic compensation. But still the performance of the active...
In this paper, a novel control algorithm for three-phase four-wire shunt active power filter for the compensation of instantaneous harmonic current components in nonlinear loads is presented. Fundamental signal extraction is carried out using Harmonic Tuned Filter (HTF) without the Phase Locked Loop (PLL). HTF can efficiently determine the fundamental signal components from distorted voltage or current...
This paper presents in this study a control algorithm to compensate harmonic current and reactive power simultaneously in 3 phase, where 3-wire and 4-wire non-linear loads. If the utility voltage is distorted, active power filter (APF) allows similar level of distortion in the compensated source current. Therefore, the resultant source currents have the same waveform as that of the supply voltage,...
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