Abstract:This paper presents a method to detect the different types of defects in cross connected cable sheath in a flat 500kV three leaf high voltage cable system with sheath current as input data. Three different defects are analyzed: the loss of electrical continuity of grounding, the short circuit between metal sheath of cable joint segment and the immersion of junction box. The model of cable system is simulated by theoretical analysis and ATP software. The results obtained by these two methods have achieved good … Show more
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