( 2 )選用無速度傳感器矢量操控變頻器。其有優(yōu)異的低速特性。電路構(gòu)造簡略,牢靠性高。一同還具有較好的加減特性、轉(zhuǎn)矩特性以及電流束縛特性等。調(diào)速精度可達(dá) 0.5%~1.0% 。調(diào)速規(guī)劃在 20:1 規(guī)劃以內(nèi)。較適合印染機(jī)械的調(diào)速等。
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