Series DC Arcing Fault Detection Method Based on Rate of Cycle Mean

doi:10.11985/2016.09.006

Abstract

Abstract:

Aging of the insulation and loose joint in the DC supply system are main factors to induce series DC arc.The series DC arc fault is difficult to be detected ,posing a serious risk to the system. Therefore,it is of great significance to find a kind of method of the DC arc fault detection . In this paper, the series DC arc is simulated by the series DC arc generator. And a detection method based on the rate of DC arc current cycle mean is proposed by studying the basic characteristic of the series DC arc current and status quo of research both at home and abroad. The rate of DC arc current cycle mean is quite different when the arc happens or not happen.The result shows that the method is feasible to detect the series DC arc fault.

Key words: Series DC arcing, DC arc current cycle mean, detection of DC arc fault, the rate of DC arc current cycle mean

CLC Number:

TM501+.2

Guanying Zhang,Changwei Li,Yuan Zhao,Boying Liu,Lingling Li. Series DC Arcing Fault Detection Method Based on Rate of Cycle Mean[J]. Journal of Electrical Engineering, 2016, 11(9): 44-47.

Figures/Tables 6

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