Analysis of some differential relays for busbar protection;
几种母线保护差动继电器的比较
Testing technology research of harmonic trig ratio of differential relay;
差动继电器谐波制动系数测试技术研究
For differential relay based on abrupt change of sampled value, the research is conducted in rectangular coordinate system in which the currents at both sides of transmission line are taken as X-axis and Y-axis respectively; for differential relay based on abrupt c.
对于采样值突变量差动继电器,在以线路两侧电流为横、纵坐标的笛卡尔坐标系中研究;对于相电流突变量差动继电器,定义线路两侧电流的相量比,在电流复平面上研究;对于差动阻抗继电器,定义差动电压与差动电流的比,在阻抗复平面上研究。
Characteristic of the improved scalar product restraint differentrial relay can also be obtained by ordinary ratio differential relay.
标积制动式差动继电器的改进型特性用常规比率差动继电器也一样可以获得。
induction disc type ratio differential relay
感应圆盘式比率差动继电器
Differential Relay A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
current balance type current differential relay
电流平衡式差动电流继电器
The automatic water supply system controlled by relay has high failure rate and low reliability.
继电器控制的自动给水系统故障率高可靠性差。
Reason and Solution to Not-reversing of 220 kV Two-position Relay
220kV母线差动保护双位置继电器故障分析及解决
fluorescent tube starter-relay
日光灯管起动器-继电器
ectrodynamic type single phase power relay
电动式单相功率继电器
ectrodynamic type three phase power relay
电动式三相功率继电器
automatic voltage regulating relay
自动电压调节继电器
ectrodynamic type high speed impedance relay
电动式高速阻抗继电器
motor control relay
电动机控制用继电器
single stage voltage regulator
单级电磁振动式继电器
Introduce function, Character of7 UT512 digital differential relay and applying it to differential protect on motor generator.
介绍了7UT512型数字式差动保护继电器的功能、点及在电动机差动保护中的应用。
Dynamic Analysis of Contact Bounce of Aerospace Relay Based on Finite Difference Method
基于有限差分法的航天继电器接触弹跳的动态分析(英文)
automatic and protective relay
自动化及保护继电器
automatic toll switching repeater
长途电话自动中继器
emergency braking control relay
应急制动控制继电器
duration of relay operation
继电器动作持续时间