变频调速三相异步电动机的调速及其节能应用

The Variable Spead Technology of Frequency Conversion and Variable Speed Three Phase Induction Motors and Its Application for Energy to Be Save

阐述了变频调速专用电机的性能和特点，并着重论述了变频调速技术在风机和水泵类机械中的节能应用。

The performance and characteristics of frequency conversion and control fashion of frequency converter are introduced. The application of frequeney conversion and variable speed technology for energy to be save in mechanics of the kind of fan and water pumps is discussed with emphasis.