zero sequence power direction 零序功率方向
zero sequence power direction element 零序功率方向元件
zero-sequence power direction component 零序功率方向元件
Zero-sequence offset power direction 零序偏移功率方向
The paper analyzes the shortcomings of conventional zero-sequence power direction protection, and proposes a new protection scheme which uses zero-sequence and negative-sequence power direction protection at the same time.
论文分析了常用的零序功率方向和带补偿的零序功率方向匝间短路保护原理的不足,提出了同时采用零序和负序功率方向保护原理的新型匝间短路保护方案。
参考来源 - 超高压并联电抗器及线路保护综合研究·2,447,543篇论文数据，部分数据来源于NoteExpress
How to check the connection correctness of "l", "n", "s" lines is discussed on the shortcomings of on-load test for zero-sequence power direction component.
针对当前零序功率方向元件带负荷试验的不足之处，讨论了如何检查“L”、“N”及“S”线的接线正确性。
This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
It mainly focuses on analysis and determining method of zero sequence power direction relay.
重点介绍零序功率方向继电器的分析及判定方法。
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