三相异步电动机变参数仿真模型.PDF

1997 3 　　　　　 30　 2 　　　　　　　 　　　　　　　 Mar. 1997 JOURNAL OF TIANJIN UNIVERSITY Vol. 30　 No. 2 * 么　莉 　刘承榆 刘慧娟 () 　　　 () 　　　 应用交流电机统一理论,在异步电动机线性化仿真模型的基础上,考虑挤流效应对参 的影响以及主漏磁路的饱和对电抗的影响,建立了变参 仿真模型,并对三相异步电动机的起 动过程进行了仿真计算 . : ,, : T M343. 2 A SIMULATIVE MODEL OF THREE-PHASE ASYNCHRONOUS MOTOR WITH VARIABLE PARAMETER Yao Li　 Liu Chengyu Liu Huijuan ( Tianjin University) 　　 ( Northern Jiaotong University) 　　 Ab tract　 Basing on the uniou th eory of th e ele tri al motor , w e dedu ed a variable parame- ter simulative model from the linear simulative model of the squrrel- age asyu h ronous ma hine. , - - In this paper the effe t of the skin effe t and saturation of the magneti flux leakage and the air gap field are taken into a ount. The behavior of the indu tion motor during the run-up with this model is al ulated. : , - , Key word asyn h ronous motor variable parameter digital simulation 　　,: 1); 2); 3) . , , . 1　 　　“”, 　 1995 6 3. 1995 12 4. 　 * 　 1963, , , . Born in 1963, fem. , M . , le turer of Dept. of Ele tri al Eng. and Automation. · 158· 　　　　　　　　　　　　　　　　　　　　 1997 3 uqs = rs iqs + kλds + pλqs uds = rs ids - kλqs + pλds u = r i + pλ ns s ns ns 　　　　　　　　　 ( 1) u = r i + (k- k)λ + pλ qr r qr r dr qr