变频调速器的应用及选型

摘要

列举了变频器应用的优势及必要性，着重分析了应用变频器对电网质量带来的问题及其解决措施，并从电磁设计和结构两方面分析了变频电动机与普通电动机的区别，阐述了变频调速系统设计中选用变频电动机的必要性及选型方式，以供参考。%This paper lists the advantages and necessity of inverter application focuses on application of frequency converter to power quality prob-lems and their solutions. From two aspects of electromagnetic design and structural analysis of the difference from the ordinary motor and frequen-cy conversion motor,this paper expounds the selection in the design of variable frequency speed regulation system of the necessity of variable fre-quency motor,and choice way,for reference.