...保护装置，零序电压，零序电流，单相接地故障，极性 [gap=673]Keywords: microcomputer protection unit, zero-sequence voltage, zero-sequence current, single-phase grounding fault, extremity ..
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zero sequence voltage protection 零序电压保护
base zero-sequence voltage 基波零序电压
Zero-sequence voltage wiring 零序电压接线
zero-sequence voltage circuit 零序电压回路
injected zero-sequence voltage 零序电压注入
zero-sequence voltage injection 零序电压注入
When single-phase-to-ground fault is happened,the zero-sequence current lags the zero-sequence voltage 90°on the fault route and leads the zero-sequence voltage 90°on non-fault route.
中性点不接地系统发生单相接地故障时,故障路径上零序电流滞后零序电压90°,非故障路径上的零序电流超前零序电压90°。
参考来源 - 中性点非有效接地系统单相接地故障定位方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Different conditions causing the sensitivity deficiency of pilot zero-sequence directional protection are analyzed and the necessity of adopting zero-sequence voltage compensation is discussed.
讨论了纵联零序方向保护因为零序电压灵敏度不足而失效的各种情况，探讨了采用零序电压补偿措施的必要性。
Reasonable modification to zero-sequence voltage circuit and proper operation can minimize losses caused by faults of this kind, if it happens again.
合理地变更PT零序电压回路接线和正确的操作，对再发生此类事故可减小事故损失。
This paper analyzes the mechanism of zero sequence voltage generating and its magnification by DVR.
分析了瞬时电压补偿装置(DVR)产生零序电压及其放大机理。
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