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http://dx.doi.org/10.5207/JIEIE.2003.17.6.066

Protection Effects of Surge Protective Devices According to Types of system Groundings  

이복희 (인하대학교 전자전기공학부)
이동문 (인하대학교 대학원 전기공학부)
강성만 (인하대학교 대학원 전기공학부)
이수봉 (인하대학교 대학원 전기공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.17, no.6, 2003 , pp. 66-71 More about this Journal
Abstract
Electronic equipments made from integrated circuits and small-sized semiconductors is protected by surge protective devices(SPDs) such as ZnO varistors, Zener diode and gas discharge tube from lightning overvoltages. However the clamping voltage of SPDs is greatly influenced by the method of installing the SPDs. In this paper, the protective effects of SPDs according to types of system groundings were experimentally investigated. The separate grounding is a particularly undesirable way to install SPDs. The effectiveness of the common grounding point for ZnO varistors is more pronounced than that for gas discharge tubes. The common grounding at the terminal of SPDs is recommended as a best method of installing SPDs.
Keywords
Lightning overvoltage; SPD; Installation method of SPD;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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