比率差动保装置
bias differential protective system
浮动比率差动保护
floating ratio differential protection
比率差动保护
differential protection
rate differential protection
ratio differential protection
percentage differential protection
变压器比率差动保护
transformer ratio-differential protection
母差复式比率差动保护
bus differential complex percentage differential protection
偏置式比率差动保护
biased percentage differential protection
SEL-587比率差动
SEL-587 percentage restrained differential
比率差动
ratio differential
ratio differentialprotection
percentage differential protection
differential protection
percentage differential
ratio differential protection
ratio-differential
differential relay
感应圆盘式比率差动继电器
induction disc type ratio differential relay
双比率差动算法
dual slope differential algorithm
功率差动保护
power differential protection
有功功率差动保护原理
the power differential protection principle
变压器偏置差动保护
biased differential transformer protection