The technology of frequency conversion timing and soft start should be widely applied.
指出变频调速和软启动技术应该大力推广应用。
The generating and controll of Sinusoidal Pulse-Width Modulation (SPWM) waveforms is one of the core technology of frequency conversion.
而SPWM（正弦波脉宽调制）波的产生和控制则是变频技术的核心之一。
This paper mainly studies key technology of frequency conversion power saving technology of rotating equipment of the Mengxi power plant.
本文主要研究了蒙西发电厂转动设备变频节电技术的关键技术。
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