엑티브 필터 기능을 적용한 태양광발전 시스템에 관한 연구
(A) Study on the Photovoltaic Generation System adding Active Filter Function
엑티브 필터 태양광발전 시스템 에너지원 전력;
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With significant development of power electronics technology, the proliferation of nonlinear loads such as static power converters has deteriorated power quality in power transmission and distribution systems. Notably, voltage harmonics resulting from current harmonics produced by the nonlinear loads have become a serious problem in many countries. There are already a lot of PV power generation systems installed in building systems whose harmonics are the worst object for distribution systems as a utility interactive system and also it tends to spread out continuously. In this paper, a multi-function inverter control strategy, which allows a shunt active filter function to the power inverter of the PV power generation system established on a building system, is proposed and implemented. The effectiveness of the proposed system is demonstrated through the simulation of hypothetical power system using PSCAD/ EMTDC.