浅谈变频调速的工作原理

Preliminary Discussion on Working Principle of Frequency Conversion Speed Regulation

目前,变频调速技术广泛应用于机械、纺织、印刷、造纸、轧钢、化工等行业中交流电动机的无级调速,对节约能源,提高经济效益具有重要意义。简要介绍了变频调速的工作原理和基本要求,及变频调速系统的基本组成。

Currently, frequency conversion speed regulation technology has been widely used for stepless speed regulation of AC motors in such industries as machinery, textile, printing, paper making, rolling steel and chemical etc, which is of importance to energy saving and increase of economical benefit. The authors make a brief introduction to working principle and basic requirements of frequency conversion speed regulation, including main parts of frequency conversion speed regulation system.