2) zero-sequence direction over current protection
零序方向过电流保护
3) directional over-current protection
方向过流保护
1.
The principle and installation of differential protection and directional over-current protection which applied to ringlike type power network is presented.
介绍了环式电网应采用的“差动保护”和“方向过流保护”的原理及设置。
4) current direction protection
电流方向保护
1.
This paper introduces the principle of transverse differential current direction protection ,which takes positive sequence voltage as its polarizing voltage, and during the simulation experiment of 500 kV double circuit lines on the same tower system ,how does this protection behave.
介绍了以正序电压作为极化电压的横联差动电流方向保护的原理及其在500kV同杆双回线系统中的仿真实验情况。
5) directional current protection
方向电流保护
6) the directional current protection
方向性电流保护
补充资料：方向
①指东、南、西、北等：在山里迷失了～。②正对的位置；前进的目标：军队朝渡口的～行进。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条