It analyzed the characteristics and developmental trend of the present direct current converter of the mine electric locomotive.
分析了现有矿用电机车直流电源变换器的特点及其发展趋势。
Major innovation is the power conversion with chopper and controlled converter DC-link in direct current networks.
新加入的是直流路网中用斩波器和中间电路电压可调的功率变换装置。
This paper presents two kinds of small converter for 48v direct current fluorescent lamp used in passenger train.
本文介绍两种旅客列车用48伏直流日光灯小型变换器。
The design of filtering equipments at dc side of the converter substations is relative to the security and economy of the high voltage direct current (HVDC) transmission system.
换流站直流滤波装置的设计关系到高压直流输电系统的安全与经济性。
The most powerful and efficient direct current LED driver circuit is the inductor switch converter recently.
目前的LED直流驱动电路中性能最强、效率最高的是电感式开关变换电路。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
ABB, the leading power and automation technology group, has been selected by Hydro-Québec, Canada, for an upgrade of a high-voltage, direct current (HVDC) converter station.
全球领先的电力自动化集团被加拿大魁北克水电公司选中，为其高压直流换电站进行升级。
The newly direct current transmission (VSC-HVDC) technology is refers USES full-controlled semiconductor device, and potential source converter based direct current transmission technology.
新型直流输电(VSC - HVDC)技术是指采用全控型功率半导体器件的电压源换流器的直流输电技术。
The newly direct current transmission (VSC-HVDC) technology is refers USES full-controlled semiconductor device, and potential source converter based direct current transmission technology.
新型直流输电(VSC - HVDC)技术是指采用全控型功率半导体器件的电压源换流器的直流输电技术。
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