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박희재(H.J. Park),정영국(Y.G. Jung),임영철(Y.C. Lim) 전력전자학회 2008 전력전자학술대회 논문집 Vol.- No.-
This paper deals with a single-phase impedance-source dynamic voltage restorer (Impedance-DVR) to mitigate voltage sag/swell for the critical loads. The proposed system is composed of passive filter and impedance-source topology inverter. As an ESS(Energy Storage System) of the proposed system is employed the Proton Exchange Membrane Fuel Cells (PEMFC). To calculate and control the compensation voltage, single-phase id-iq theory in dq rotating reference frame and PI controller are used. Simulation results under voltage sag and swell are presented to show the performance.