Innovative Systems Design and Engineering
P-q Theory Based Shunt Active Power Conditioner for Mitigation of Power Quality Problems
Abstract
In this paper, instantaneous reactive power theory (P-q theory) based control method is proposed forthree-phase four-wire shunt active power conditioner (shunt APC) to mitigate some power qualityproblems namely, harmonic, reactive power, balancing the load currents, and elimination of neutralcurrent. The shunt APC consists of 4-leg voltage source inverter (VSI) with a common DC-linkcapacitor and hysteresis band PWM current controller. All simulations are performed by usingPSCAD/EMTDC software.
Keywords: Power quality; Harmonic; Shunt active power conditioner; P-q theory; Total harmonicdistortion.
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ISSN (Paper)2222-1727 ISSN (Online)2222-2871
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