Voltage Sag/Swell Mitigation Using UPQC
作者： S. Thirukkovai , J. Venkatesan
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摘要: A new synchronous-reference-frame (SRF)-based control method is proposed in this project. It compensates power-quality (PQ) problems through a three-phase four-wire Unified Power Quality Conditioner (UPQC) under unbalanced and distorted load conditions. The UPQC system can improve the power quality at point of common coupling on distribution systems main problem voltage sag, swell , to compensate these electronic device i.e., UPQC-(Unified conditioner) used model . system. combination back connected series shunt converters. proliferation based equipments has produced significant impact electrical supply. modern day are highly sensitive deviation from ideal sinusoidal voltages. Conventional enhancement providing inadequate compensation. very promising solution for supply imperfection (Unified Conditioner). conditioners (UPQCs) allow mitigation current disturbances that could affect loads while compensating reactive power. In Paper, simulation sag carried out using MATLAB 7.5 results shown. hardware implementation will be done FPGA controller.
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