摘  要：针对无刷直流电机的控制系统中逆变器产生过电压的情况，文章在分析了其保护机理的基础上，提出了一种无刷直流电机控制系统的保护方案，实践表明这些相关措施可有效保护逆变电路能够安全稳定的运行，具有一定的工程应用价值。
关键词：无刷直流电机；逆变器；保护

Abstract: In accordance with the situation of over-voltage produced by inverter in brushless DC motor control systems,put forward a protect program of brushless DC motor control systems based on the analysis of its protection mechanism in the paper.Practice indicates that the related measures can protect inverter circuits to operate safely and steadily.It has certain project application value.
Key Words: Brushless DC motor;Inverter;Protection