Test technology of foreign military electronic equipment maintenance security;
国外军事电子装备维护保障测试技术综述
Matrix converter has no free-wheeling path, which makes its fault protection a difficult problem.
本文提出了一种新的矩阵式变换器-异步电机系统(MCIMS)故障保护方式,当出现故障时,通过控制变换器开关或进行结构重组为电机提供一个可控的续流回路,使电机迅速释放储存能量安全停车或容错运行,并针对电机过载、电力开关断路和短路三种情况分析了所提出保护策略的可行性。
The electronic soft starter has solved the impact on electric power network and mechanic equipments, and has such functions as soft shut down, failure protection, energy - saving, communication in the mean time.
电子式软启动器很好地解决了电动机启动时对电网和机械设备的冲击,同时具备软停车、故障保护、节能和通讯等功能,可广泛应用于环保、冶金、石化、轻工和制造等行业。
This paper presents the constitution and the failure protection function of auxiliary power supply system for Wuhan transit vehicles.
简要介绍了武汉城轨车辆辅助电源系统的组成及故障保护功能,并针对其在现场应用中出现的问题,提出改进方法。
Breaker failure, bus fault and transformer protection
断路器、母线故障保护和变压器保护
A hybrid p-cycle protection model for node/span failures in ASON
一种基于P圈的ASON混合故障保护模型
The Fault Protection Technique of Transmission Lines Double-circuits on Same Tower for High Voltage Grid;
高压电网同塔双回输电线路故障保护技术
Study on One Relay Protection Refused-trip Accident Caused by Protection Jumper Barriers
一起保护跳线障碍导致保护拒动事故分析
Simulation and Protection of Internal Short Circuit Faults for Powerformer;
能量变换器内部短路故障仿真与保护
Common Troubles in Family Car and Its Maintenance;
家庭轿车蓄电池常见故障及维护保养
Research on Comprehensive Protection and Rotor Fault Diagnosis of Electric Motor
电机综合保护及转子故障诊断的研究
Analysis of malfunction of 110kV substation lightning protection
110kV变电站防雷保护故障及分析
Fault Analysis and Countermeasures on Line Protection Region Fault Mal-operation
线路保护区外故障误动作事故分析及处理措施
Fault Diagnosis Es Based on Power System Relay Protection and Fault Information Process System.;
基于电网继电保护及故障信息处理系统的故障诊断专家系统
Compensation algorithm of grounding distance protection considering FCL and fault resistance
计及故障限流器和故障过渡电阻的接地距离保护补偿算法
Sensitive protective relays operated by ground fault currents clear these faults at an early stage.
由接地故障电流而动作的灵敏保护继电器在故障早期就将故障清除。
The Research of High Analysis of Transformer Protection Based on the Relay Protection and Fault Information System;
基于继电保护故障信息处理系统的主变保护高级应用的研究
The technique can be used in microprocessor protection and fault location devices directly.
该方法可直接用于微机保护和故障测距装置。
Preventive maintenance, fault finding and repair.
预防性维护保养，潜在故障发现及时检修。
Maintenance and elimination of common breakdown of the RAPHAEL ventilator
拉斐尔呼吸机的保养维护和常见故障排除
The Study on Faults Analysis and Main Circuit Protection of APF
有源电力滤波器的故障分析及主回路保护研究
Research on New Methods of Power System Relay Protection and Failure Detection;
电力系统继电保护与故障检测新方法研究