摘要
风机、水泵的惯常调节是变风量、变流量调节。此法将大量能量在节流中失去,而采用本文介绍的变速调节法则可节约大量电能,值得推广。
The common adjusting method of fan and water-pump isto adjust the windand water-flow. But this method lets great deal of ene-rgy disappear in the throttle. When acting speed adiusting method introd-uced in this paper, much electricity can be saved. It is worthy to bespread.
