The paper describes the working principle of protection equipment for metro DC power supply system.
论文阐述了地铁直流供电系统保护装置的工作原理,详细论述了基于DSP的硬件结构和软件设计方法及其实现过程。
The protection and control system in subway DC power supply systems play a key role in ensuring the safety and reliability of the subway.
地铁直流供电的保护与控制系统对确保地铁的安全可靠运行起着关键作用。
Analysis of leak current DC power system of opencast mine;
露天矿直流供电系统杂散电流分析
Converter unit is an important equipment in AC&DC supply systems of ship.
变流机组是交直流混和供电舰船的重要设备,它结构特殊、运行控制复杂,是系统仿真的难点之一,在电力系统仿真的文献中很少有关于其仿真方面的报道,为此根据变流机组在交直流混和供电系统的运行特点和要求,建立了一套完整的数学模型:电机模型,控制模型和网络模型,并给出了仿真实现方法,仿真结果表明该模型比较准确地模拟了变流机组各种工况下的运行特性,它为整个交直流供电系统的分析提供了一定的基础。
Research on the Urban Rail Transit Traction Power Supply Rectifier
城市轨道交通直流供电整流机组研究
The Research of Low-Voltage DC Supply Digital Electronic Ballasts for HID Lamps;
低压直流供电HID灯数字化电子镇流器研究
DC-Based Electronic Ballast for Ceramic Metal Halide Lamp
一种直流供电的陶瓷金卤灯电子镇流器
After the advent of transformers, much of the load was served by alternating current instead of direct current.
变压器出现后,许多负荷由交流供电而不用直流供电。
rectifier fed electric drive
整流器供电直流拖动
supply meter for direct or alternating current
直流或交流电供应电度表
Automatic exchange for DC and AC supply.
直流电源与交流供电能自动转换。
Transient Simulation of Short-Circuit Currents in DC Traction Power Supply System
直流牵引供电系统短路电流暂态仿真
Model J0407 DC Ammeter is suitable for students to measure the current in a DC ciruit in laboratory.
J0407型直流电流表供学校学生在实验中测量直流电路中的电流用。
The earth provides a low resistance conducting path for direct cur-rent.
大地提供了低电阻直流导电通道。
THE DEVELOPMENT OF LN-GDXT-IV AC-DC ISOLATED POWER SUPPLY
LN-GDXT-IV型交直流隔离供电电源的研制
Parameter Matching of Relay Protection in DC Traction Power System
直流牵引供电系统继电保护参数匹配
The Design and Application of Common DC Bus Power Supply
公共直流母线供电电源的设计与应用
Study of Distribution and Protection of Stray Current in DC Traction Power Supply System;
直流牵引供电系统杂散电流分布与防护研究
Model J0408 DC Voltmeter is suitable for students to measure the voltage in a DC ciruit in laboratory.
J0408型直流电压表供学校学生在实验中测量直流电路中的电压用。
The input power is also provided by a DC motor.
输入动力也是由直流电机提供的。
D.C.traction power supply system for subway
GB/T10411-1989地铁直流牵引供电系统
A New Circuit of small Capacity Dc drive with SCR Power Supply
小容量直流拖动可控硅供电的新线路
