distance relay protection
amplitude- phase protection
negative phase sequence
Phase sequence
相序
相
相位相序
相位顺序
相位序列
相序排列
相序保护
位相序列
相转序
Phase sequence detector
phase sequence optimization
Phase sequence self-adaption
positive phase sequence
self-intensity of binding phase phase
zero sequence protection
Adaptive Distance Protection
Adaptive distance relay
Adaptive Earth Fault Distance Relay
earthing-fault distance protection
Health protection distance
hygiene protection distance
safety protection distance