The effective recloser and sectionalizer coordination and protection scheme in distribution system interconnected a number of distributed resources

다수의 분산형 전원이 연계된 배전계통에서 리크로저와 섹셔널라이저의 보호협조 방안

According to the second plan of the Korean Government about technology development, utilization and popularization of new renewable energy, the continuous growth of distributed resources are expected. Various studies about impact of distributed resource on distribution system have been already accomplished. Rut there is a few paper about recloser and sectionalizer coordination and protection scheme in distribution system interconnected a number of distributed resources. In this paper, it is dealt with that recloser and sectionalizer coordination at the cases concerned with fault position. The problems of these cases are investigated through simulation.