bearing over-heat protective relay
轴承过热保护继电器
winding over-heat protective relay
绕组过热保护继电器
delay thermal over-current relay
延时热过电流继电器
a journal bearing (as of a railroad car) that has overheated.
过热的轴颈轴承（如有轨电车的）。
automatic and protective relay
自动化及保护继电器
underreaching protection
继电器失灵保护装置
flash and ground protecting relay
闪燃和接地保护继电器
Thermal overload relays offer phase failure protection and are convertible from manual to automatic reset.
过热负载继电器具有相位故障保护和从手动转换为自动重置的功能。
Do not forget to link up the phase indicator( undercurrent relay) and maximum relay when allocate the power switch.
风机安置电源开关时，必须安置电源缺相保护或热继电器。
Discussion on Open-phase Running of a Three-phase Asynchronous Motor and Its Thermorelay Protection
三相异步电动机断相运行及其热继电器保护探讨
Development of Intelligent Type Electronic Over-load Protection Relay of Motor Based on LPC2292
基于LPC2292的智能型电子式电动机过载保护继电器的研制
In addition, there are many protective and control relays.
此外,还有许多保护继电器和控制继电器。
overvoltage protection varistor
过电压保护压敏电阻器
Calculation and Analysis for the Influence of CT on Protective Relaying in Power System Transient Process
电流互感器暂态过程对继电保护影响的计算和分析
Intelligence Technology and Reliability Analysis of Electronic Over-Load Protective Relay;
电子式过载保护继电器的智能化技术与可靠性分析
Electrical relays--Part 20: Protection (protective)systems
GB/T14598.8-1995电气继电器第20部分:保护系统
Research on the Application of OCT in Power System Protection;
光学电流互感器在继电保护中的应用
Application of PCB Electronic Current Transformer in Relay Protection
PCB电流互感器在继电保护中的应用