双速风机变速控制分析

Analysis on Variable Speed Control of Double-speed Fan

结合国家标准图集16D303-2《常用风机控制电路图》中提供的两种双速风机控制电路,介绍分析不同电机类型的双速风机变速原理及控制方式,提供识别常用双速风机电机绕组接线型式的简单方法,为设计人员正确选择双速风机的控制电路提供依据。

The variable speed principles and control modes of the double-speed fans of different machines are introduced and analyzed according to the control circuits of two types of double-speed fans in the national standard schematic atlas 16D303 -2 Control Circuit Diagrams of Frequently-used Fans, and the simple methods for recognizing the wiring types of motor winding of frequently-used double- speed fans are provided, in order to provide the basis for the designers to correctly choose the control circuits of double-speed fans.