浅析变频器工作原理及应用
李军荣
（山西省霍州煤电集团吕梁山煤电有限公司方山发电厂，山西吕梁033102）
摘要： 简述变频器工作原理及变频器的保护功能，分析异步电动机降速时的能耗特性，探讨变频器输入、输出干扰
的影响，论述变频器的定期检查制度，以期对相关工作有所帮助。
关键词： 变频器工作原理；变频器保护；变频器应用
中图分类号： TN773 文献标识码： A 文章编号： 2095-0802-(2016)07-0137-02
Simple Analysis of Work Principles and Applications of Frequency Converter
LI Junrong
(Fangshan Power Plant, Lvliangshan Coal Electricity Co., Ltd., Huozhou Coal Electricity Group of Shanxi Province, Lvliang
033102, Shanxi, China)
Abstract: This paper gave a brief introduction to working principle and protection function of frequency converter, analyzed energy
consumption characteristics of asynchronous electromotor in speed reduction process, discussed the influences of inverter input
and output disturbance, and then expounded the periodic inspection system of frequency converter in order to provide help for
related work. Key words: working principle of the frequency converter; inverter protection; inverter application