1.
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。
2.
directioal earth-leakage relay
对地漏电方向继电器
3.
high speed directional overcurrent relay
高速定向过流继电器
4.
three-phase power directional relay
三相功率方向继电器
5.
directional comparison microwave relay
方向比较微波继电器
6.
directional comparison carrier relay
方向比较载波继电器
7.
AC voltage electromagnetic relay
交流电压电磁继电器
8.
electronic valve type power directional relay
电子管功率定向继电器
9.
cut-out relay armature spring
断流继电器电转子弹簧
10.
phase balance current relay
相位平衡电流继电器
11.
delay thermal over-current relay
延时热过电流继电器
12.
plunger type overcurrent relay
活塞式过电流继电器
13.
plunger overcurrent relay
插棒式过电流继电器
14.
DC electromagnetic type time relay
直流电磁式时间继电器
15.
Direct current flows in one direction only. Alternating current flows first in one direction and then in the other.
直流电流仅向一个方向流动,而交流电流则先向一个方阿流动,继而又向另一个方向流动
16.
Analysis of Characteristics for Impedance Relay in Sudden Change Variable Grounding Direction
突变量接地方向阻抗继电器性能分析
17.
over current ground relaying system
过电流接地继电保?方式
18.
current balance type current differential relay
电流平衡式差动电流继电器