variable speed motor drives造句

variable speed motor drive ( vsmd ) is used to control the electrical machine by modifying the frequency of its output voltage
通过改变变频器的输出电压可以控制被拖电动机的转速。
it has been proved by theory and practice that variable speed motor drive can at least save electric power more than 20 %, even to 70 % in some situations
理论分析和实际应用都表明，如果采用调速技术，至少可节约20以上的电能，有些情况下甚至可节电70。
with a team of proficient engineers, mpcl is able to provide consulting and installation services for all types of high voltage substations as well as variable speed motor drive systems
拥有一支专业工程师的队伍，明电太平洋有能力为所有高压电器安装及马达变速系统提供顾问及安装服务。
It's difficult to find variable speed motor drives in a sentence. 用variable speed motor drives造句挺难的