直流过流继电器  dc overcurrent relay

直流/直流电压变换器  DC/DC converter

直流电流-电压特性  DC current-voltage characteristics

插棒式过电流继电器  plunger overcurrent relay

串联过电流继电器  series over-current relay

过[电]流继电器  overcurrent relay

过电流继电器  current-overload relay; Box type power distribution substation; overcurrent relay; maximum relay; over current relay; OCR

过电压过电流  Thyristor switch overvoltage and overcurrent in converted course

活塞式过电流继电器  plunger type overcurrent relay

弱电流继电器电路  low current relay circuit

瞬时电磁式过电流继电器  instantaneous electromagnetic overcurrent relay

中性过电流继电器  neutral over-current relay

感应式过电压继电器  induction type over-voltage relay; induction type overvoltage relay

过电压继电器  boxcar averager

活塞式过电压继电器  plunger type overvoltage relay

电力网继电器继电器  Relay; network relay

低电压直流电  low voltage and direct current

定向直流继电器  DC directional relay

高压直流电流  high voltage direct current