刘文华（五环科技股份有限公司，武汉市　430223）

Simple Calculation and Analysis of Full - voltage Starting Voltage Drop for Squirrel - cage Motor

 

Sun Wenling（Hubei Water Resources Research Institute，Wuhan 430070，China）

Liu Wenhua（Wuhuan Engineering Co.，Ltd.，Wuhan 430223，China）

 

Abstract Through circuit principle analysis of full-voltage starting of squirrel - cage motor，an equivalent circuit diagram is proposed；and the calculation is simplified by replacing impedance with reactance. Through example calculations，this simple calculation is verified to be reasonable.

Key words　Full - voltage starting of squirrel - cage motor　Voltage drop while starting 　Simple calculation

 

摘　要　通过对鼠笼电动机全压启动时的电路原理分析，提出电动机启动时的等效电路图，采用电抗替代阻抗进行简化计算。通过实例计算，验证这种简易计算是合理的。

关键词　鼠笼电动机全压启动　启动压降　简易计算