比相保护
phase comparison protection
单相保护
protection against single-phasing
单相保护式分路开关
single-phase protective branch switch
电动机断相保护
protecting electric motor from being broken
断路器非全相保护
non-whole phase protection of breaker
断相保护电路
phase_cut off protective circuit
断相保护继电器
loss-of-phase protecting relay
非全相保护
Open-phase Protection
open phase protection
non-three-phase protection
non-whole phase protection
incomplete phase protection
protection on non-complete phases condition
open-phase operation protection
non-complete protection
incomplete phase protection device
幅相保护
amplitude- phase protection
鉴幅鉴相式漏电保护器
Amplitude and Phase Protective Leakage Protector
缺相保护电路
open-phase protection circuit
三相电机保护器
Three-phase Motor Protector
three-phase protector
三相组合式过电压保护器
over voltage protection device of three phase combined type
TBP
three phase combinative surge protector
相序相律相模式
facies sequence law model