本文介绍了LOGO!在空压机控制系统中的应用,给出了由一台自耦变压器控制两台空压机起动的控制电路。此法是一种经济,实用的控制方法,系统具有高可靠性,经实际应用,效果良好。 关键词: LOGO! 自耦变压器电动机 起动 Abstract: This paper introduces the application of LOGO! in air compressor control system, and gives the control circuit of starting two air compressor with a self-coupling transformers. This control method is a economical and practical way. The control system has high reliability,.and works well in actual application. Keywords:LOGO!, self-coupling transformer, motor, start,