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。
mean of reversed and directed values
正反直流电的平均值
DC ammeter with shunt
带分流器的直流电流表
galvanic current
直流, 动电电流, 由伏打电池产生的电流
Direct-current electricity, especially when produced chemically.
直流电直流电，尤指化学反应产生的
d.c. bridge for measuring resistance
测量电阻用的直流电桥
The current flowing in one direction is called direct current .
沿着一个方向流动的电流叫做直流电。
Study on HVDC Transmission System with Parallel Large Capacitor Connected in the DC Side of the Rectifier;
整流器直流侧并联大电容的直流输电系统研究
Study on Active Fiber DC Transducer Used in HVDC;
高压直流输电有源光纤直流电流传感器的研究
Currents from electric batteries are called direct current.
来自电池的电流称为直流电。
converts alternating current into direct current or vice versa.
变交流电为直流电或者变直流电为交流电的装置。
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 difference between a direct and an alternating current is that a direct current always flows in one direction.
直流电和交流电的区别在于直流电总是向一个方向流动。
A Power Development of D.C Motor Taking Overload Protected Set;
具有过流保护的直流电机电源的开发
an alternating [a direct] current dynamo
交流 [直流] 发电机
"Alternating current (AC): Flow of electric charge that reverses periodically, unlike direct current."
交流电:周期性换向的电流,和直流电不一样。
A Study on Optic-electric Current Transformer Applied to Direct and Harmonic Measurements;
光电直流电流及谐波电流互感器的研究
a synchronous machine that converts alternating to direct current or vice versa.
直流电和交流电同步转换的机器。
Direct-current-controlled Voltage Source Rectifier (VSR) System Based on Digital Signal Processor;
基于DSP的直接电流控制电压型整流器