摘要
介绍了交流变频调速类型、基本原理和脉冲宽度调制技术,分析了基于脉冲宽度调制技术变频调速的优点以及发展趋势,并对其性能进行了探讨,研究了脉冲宽度调制技术变频调速的工作原理和性能表现,论述了其克服谐波严重危害的基本方法。
The paper introduced the types and basic principle of AC variable frequency speed control system,and PWM technique. The advantages of PWM-based variable frequency speed control technique and its application prospect were analysed. The working principle and performance of PWM-based technique were studied,and the method to overcome the hazards caused by harmonic waves was elaborated.
出处
《山西电力》
2014年第3期15-18,共4页
Shanxi Electric Power
关键词
脉冲宽度调制
变频调速
节能
PWM
variable frequency speed control
energy conservation
