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http://dx.doi.org/10.5207/JIEIE.2003.17.4.094

Lightning Surges Transferred to Low-voltage AC Power Lines through Distribution Transformers  

이복희 (인하대학교 전자전기공학부)
이동문 (인하대학교 대학원 전기공학과)
이수봉 (인하대학교 대학원 전기공학과)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.17, no.4, 2003 , pp. 94-99 More about this Journal
Abstract
A strong need to improve the quality of electric power is increased because of increasing use of the sensitive and small-sized electronic devices. The transient overvoltages on low-voltage AC power distribution systems are induced by direct or indirect lightning return strokes, and they can cause damage and/or malfunction of the utility systems for home automation, office automation and factory automation as well as medical equipment. The behaviors of lightning overvoltages transferred through the transformer to the low voltage AC power distribution systems were experimentally investigated using a Marx generator. The surge voltages in low-voltage ac power systems are rarely limited by the application of the surge arrester to the primary side of distribution transformer and a custom service ground.
Keywords
Lightning overvoltage; Surge protective devices; Low-voltage ac power system; Custom service ground;
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