YVF series frequency-variable and speed regulative three-phase asynchronous motor are suitable for running in frequency change and speed regulation system which th epower is supplied by a frequency converter.This new series of product designed unitedly in the
country can be mated with all kinds of SPWM frequency changer and speed regulation devices and is equipped with a separate cooling fan which ensure the motor for good cooling at various speed.They can be used in machine tool,metallugic industry,textile,printingand dyeing,transportation,chemical industry,mine and for seep regulation of fans and pumps.