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25.8㎸ SF?가스절연 스위치기어(GIS)를 대체한 친환경 고체절연 스위치기어(SIS) 개발
마지훈(Ji-Hoon Ma),정맹뢰(Meng-Lei Zheng),유련(Lyun Yoo),원성연(Sung-Yoen Won),이석원(Seog-Won Lee),김영근(Young-Keun Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
In recent years, the companies of electric power equipment for MV, HV class trend to develop that the eco-friendly insulated(solid, eco-gas, air etc.) switchgear replace with existent SF6 gas insulated switchgear by environmental problems such as global warming and soon. This paper introduces the Solid Insulated Switchgear(SIS) which is the epoxy of eco-friendly insulation material. The characteristic of SIS to introduce in this paper is as following. 1) Eco-friendly. (SF6 gas free) 2) The structure of flexible system. (Expansion) 3) The optimum design. (The Analysis of electrical & mechanical) 4) An Interface treatment between epoxy and insert. (Molding technology) This paper described about some technology for development of SIS.
고체절연차단기(Solid Insulated Switchgear)용 PD 센서 선정에 관한 연구
이도훈(Do-Hoon Lee),강원종(Won-Jon Kang),마지훈(Ji-Hoon Ma),박석원(Seok-Weon Park),이종호(Jhong-Ho Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
Defects in the epoxy insulation switchgear can result in failure. Therefore it is important to detect defects, such as void, in time and to determine their risk for a possible breakdown. For high voltage apparatus, the partial discharge (PD) detection technology has proven to be a useful method. This paper describes the application of a PD detection method for the Solid Insulated switchgear(SIS) and its practical application. Experimental studies show that the PD detection of the MV switchgear defects is possible. The practical experiences related to this study provide further insight for applying the PD monitoring technique to the solid insulated switchgears.