zero sequence protection [电] 零序保护

neutral zero sequence protection 中性点零序保护

directional zero-sequence protection 零序方向保护

zero-sequence protection misoperation 零序保护误动

HF blocking zero sequence protection 高频闭锁零序

microprocessor-based zero-sequence protection 微机零序保护

computer-based neutral zero-sequence protection 中性点零序微机保护

zero-sequence current protection 零序电流保护