摘  要：本文介绍了螺杆式空压机的工作方式，结合其工作方式分析了采用变频器进行节电的工作原理，并结合实际的应用案例介绍了改造方法和改造过程中的注意事项。

关键词：螺杆式空压机；变频器；节电；闭环控制

Abstract: This paper introduces the working mode of screw air compressor, Combined with the working principle analysis the energy saving by inverter, Combined with the practical application case introduces the transformation method and the matters needing attention.

Key words:Screw air compressor; Inverter; Energy-saving; Closed loop control

 【中图分类号】TN77