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고성능 단상 선로응동형 DVR(Dynamic Voltage Restorer)
裵炳烈(Byung-Yeol Bae),李東根(Dong-Geun Lee),韓炳文(Han-Byung Moon),廓魯洪(No-Hong Kwak),朴祥濠(Sang-Ho Park) 대한전기학회 2007 전기학회논문지 Vol.56 No.11
This paper describes the development of a high-performance single-phase line-interactive Dynamic voltage Restorer, which is composed of an H-bridge inverter and super-capacitors. The operational feasibility was verified through computer simulations with PSCAD/EMTDC software, and experimental works with 3㎸A prototype. The developed system can compensates the input voltage sag and interruption within 2㎳, in which the maximum allowable duration of voltage interruption is 1.5 seconds. It can be effectively used to compensate the voltage interruption in the sensitive load, such as computer, communication equipment, automation equipment, and medical equipment. The developed system has a simple structure to be easily implemented with commercially available components and to be highly reliable in operation.