Development of 3kVA Line-interactive DVR(Dynamic Voltage Restorer)

3kVA급 선로응동형 동적전압보상기 개발

  • Published : 2007.10.25

Abstract

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 3kVA prototype. The developed system can compensates the input voltage sag and interruption within 2ms, in which the maximum allowable duration of voltage interruption is 1.5 seconds. The developed system has a simple structure to be easily implemented with commercially available components and to be highly reliable in operation.

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