直流电机车 meaning in Chinese
continuous current locomotive
direct current locomotive
direct-current electric locomotive
Examples
- It throughly solved some long time complicated questions such as high service rate in dc motor , large quantities of maintaining contact type drive controller , high energy consumption of dc locomotive
彻底解决了直流电机维修率高、换向火花及接触组火花大、触头式司控器维修量大、直流电机车能耗高等老大难问题。 - We developed the power system of electric drill based on dc - ac . the system use the technique of spwm frequency cowersation control . it changed th d . c provided by trolly wire of d . c motor into stable a . c adopted igbt and driving circuit adopted high speed module of exb840
针对当前我国煤矿电钻电源的使用现状，提出研制dc - ac变换的电钻电源系统，该电源系统直接利用spwm变频控制技术，将井下直流电机车的架空线所提供的直流电转变成频率是50hz的1 . 27v的稳定交流电。