SPWM变频器工作原理和基本特点

Principle and Basic Peculiarity of SPWM Erequency Convertor

根据对变频器研究和开发的体验，分析了各种变频器的特点，重点介绍了ＳＰＷＭ技术及其变频器的工作原理．通过多层次的比较显现出它的基本特点和优越的性能．

In this paper, in accordance with the experience .in research and development offrequency convertor,the principle of SPWM frequency convertor has been introduced and itsbasic peculiarity and superior function have been brought out through comparison of administrative levels.