In view of the drawbacks existed in speed regulation of electrical locomotive with series resistance, the transformation of chopping speed regulation is put forward.
针对串电阻调速电机车存在的弊端，提出进行斩波调速改造。
To meet the practical needs of production technics, a solve scheme of inherent feedback chopping speed regulation is put forward by using DSP processor to realize closed loop control.
为了满足生产工艺实际需要，针对水处理系统中水泵单耗高、资源浪费等问题，提出了一种用DSP数字信号处理器实现闭环控制的内反馈斩波调速解决方案。
The paper also expatiates the speed regulation principle of IGBT, emphatically analyzes both economic and social benefits achieved after the transformation of chopping speed regulation.
本文阐述了IG BT的调速原理，着重分析了斩波调速改造后电机车产生的经济效益和社会效益。
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