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김정년(J. N. Kim),김남열(N. Y. Kim),안미경(M. K. An),이상진(S. J. Lee),허회덕(Harris Heo),김광모(K. M. Kim) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.11
The role of SVL (Sheath voltage limiter) in cable system is to protect the PVC(or PE) jacket in case of transient overvoltage resulting from lightning and other causes. But, in Korea, there is so many SVL failure cases resulting from power frequency overvoltage. So, the paper investigates the phenomenon of failure SVL comparing with other countries' system. Finally, the installation of ECC(Earth Connectivity Conductor) in under ground cable system is presented to remove the possibilities of SVL thermal runaway due to the power frequency overvoltage.