Double closed loop PI control with full compensation arc elimination based on zero sequence voltage of neutral point
Hongwen Liu,
Xiangjun Zeng,
Qing yang
et al.
Abstract:Aiming at the problem of zero sequence voltage generated by unbalance parameters of line to ground, which affects arc suppression effect of grounding fault of controllable voltage source. By analyzing the influence of ground unbalance parameters on the arc suppression effect of controllable voltage source under different grounding modes, the mechanism of full compensation arc suppression based on zero sequence voltage of neutral point is revealed, and on this basis, a fully compensated arc suppression model of… Show more
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