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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Design method of PR Controller Considering Active Damping based on Output Impedance of Single Phase Full Bridge Inverter
Authors Young-Sang Ko ; Bum-Jun Kim ; Dong-Wook Kim ; Sung-Hun Kim ; Chung-Yuen Won
DOI http://doi.org/10.5207/JIEIE.2020.34.1.018
Page pp.18-27
ISSN 1225-1135
Keywords Output Impedance; Transfer function; Single Phase Inverter; Proportional-Resonant Controller
Abstract When a single-phase full bridge inverter with an LC filter is operated at no load through the proportional resonance controller, the proportional resonance controller becomes unstable when the influence of resonance is not considered. This paper propose a design method of PR controller that can be controlled stably at no load through design method of PR controller based on output impedance considering active damping of single phase full bridge inverter. The transfer function of the open-loop model and the controller model of the inverter is composed of the closed-loop transfer function. The validity of the proposed method is verified through simulation and experiment.