Abstract
In the grounding system of the neutral point through the arc suppression coil, due to the compensation effect of the arc suppression coil (ASC) on the ground point fault current, the zero sequence current (ZSC) characteristic of the fault line is not obvious, which seriously affects the accuracy of single-phase ground fault line selection. Therefore, based on the analysis of the feasibility of adjusting the turn-adjusting arc suppression coil in the case of a single-phase ground fault, this paper proposes a new small-distance method to select the line technology for the turn-adjusting arc suppression coil. The results show that the method is highly reliable and practical, and can effectively improve the accuracy of line selection.
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