变频器高次谐波产生的奇异性信号使交流调速系统不能正常工作, 采用

小波包分析对奇异性信号进行识别和提取, 对系统进行抗干扰处理, 有效地抑制了高次

谐波对交流调速系统的干扰。-H igh o rder harm on ic o f inverter produces singularity s igna ,l m ake speed governor system can. t no rm

a lly ope rate. W avelet packe t theoryw as applied to extrac t and identify for the signa,l and sy stem w as processed for

an t-i inte rference, som e interference o f h igh order ha rmon ic for speed gove rn ing system we re ava ilab ly e lim ina ted.