zero sequence protection [电] 零序保护

zero-sequence current protection 零序电流保护

zero-phase sequence protection 零相序保护装置

Inverse phase sequence protection 逆相序保护

sequence number protection 顺序号保护

phase-sequence reversal protection 反相保护

zero phase-sequence protection 零序保护

zero sequence voltage protection 零序电压保护

zero phase sequence protection 零相序保护装置