1.
high speed directional overcurrent relay
高速定向过流继电器
2.
delay thermal over-current relay
延时热过电流继电器
3.
plunger type overcurrent relay
活塞式过电流继电器
4.
plunger overcurrent relay
插棒式过电流继电器
5.
electronic valve type power directional relay
电子管功率定向继电器
6.
rotating-iron type over-current relay
旋转衔铁式过流继电器
7.
single-phase directional short circuit relay
单相定向短路继电器
8.
voltage drop compensation directional relay
压降补偿式定向继电器
9.
induction type power directional relay
感应式功率定向继电器
10.
induction disc type directional relay
感应圆盘式定向继电器
11.
ectronic valve type power directional relay
电子管功率定向继电器;电子管式功率定向继电器
12.
instantaneous electromagnetic overcurrent relay
瞬时电磁式过电流继电器
13.
1-way repeater (includes telephone repeater). One or two line can be specified.
单向中继器（包括电话中继器）。可指定单线或双线。
14.
Telegraph repeater qualifiers. Type of direct current can be specified.
电报中继器限定符。可指定直流电流类型。
15.
induction disc type inverse-time overcurrent relay
感应圆盘式反比时限过载流继电器
16.
induction disc type directional power relay
感应圆盘式定向功率继电器
17.
Protection for these isolated systems has been a relatively simple task, which is carried out using over current directional relays with selectivity.
采用具有选择性的过电流方向继电器,对这种相互分隔直流系统的保护相对就简单。
18.
definite-time delay over-current release
定时限过电流脱扣器