摘  要：本文主要概述了SVG散热风机通过增加变频器控制来实现节能的设计，采用模拟量调节变频器输出，SVG低负荷工作时变频器调节风机低频转速，高负荷工作时调节风机高频转速，实现动态控制，从而达到散热风机节能的效果。

关键词：SVG；暖风机；散热风机；变频器；节能

Abstract: This paper mainly describes SVG cooling fans energy-saving design by adding frequency converter control and using analog quantity regulates frequency converter output. While SVG is running in low load frequency converter regulates cooling fans low frequency speed, while SVG is running in high load frequency converter re