變頻調(diào)速三相異步電動(dòng)機(jī)恒轉(zhuǎn)矩及恒功率特性的控制(精)-文庫(kù)吧
2025-06-11 10:44 本頁(yè)面
【正文】 uency(lessthan50Hz)andtheconstantoutputcharacteristicsathighfrequency(over50Hz)invariable??frequencyadjustable??speedthree??phaseinductionmotors.Keywords??Variable??frequencyadjustable??speed,Constanttorquecharacteristic,Con??stantoutputcharacteristic,Control.E1=4??44f1N1??mKw1在忽略定子阻抗壓降的情況下,有U1??E1=4??44f1N1??mKw1??f1??m(1)1??引言隨著我國(guó)工業(yè)自動(dòng)化程度的提高,對(duì)電動(dòng)機(jī)的調(diào)速性能的要求大大提高,而變頻調(diào)速電機(jī)具有效率高、調(diào)速范圍廣、精度高、調(diào)速平滑等優(yōu)點(diǎn),是異步電動(dòng)機(jī)較理想的調(diào)速方法。本文對(duì)交流三相異步電動(dòng)機(jī)變頻調(diào)速中的恒轉(zhuǎn)矩及恒功率特性的控制進(jìn)
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