关键词：风光高压变频器；螺杆式空压机；节能

Abstract: This paper introduces the application of screw air compressor of Fengguang brand high-voltage inverter in Pingdingshan Group's 13th mine. The application results show that the use of inverter on the screw air compressor equipment for energy-saving transformation, with good economic and social benefits.

Key words: Fengguang brand high-voltage inverte