【摘要】 讨论了单相无刷直流电动机的结构和工作原理；介绍了它的控制电路；推导了电磁计算的主要公式，引入并推导了高速无刷直流电动机的电流修正系数，结合实例进行了验证，获得比较满意的结果。更多还原

【Abstract】 This paper discusses fundamental construction and operational principle of a single - phase brushless DC motor and it’s controlled circuit,deduces basic formula of electromagnetic design,introduces amend coefficient of current of high speed brushless motor,and deduces it f s calculation formula,practical example of calculation combined with result of experiment is provided,showing that result is satisfactory.更多还原