无刷电机KT实用计算表 7-2
2022-01-19
来源：飒榕旅游知识分享网
无刷电机KT实用计算Br(T)αiSt(cm)1.230.730.88Z定子L1(cm)磁钢长L2(cm)12411.512齿磁密:BZ=Br×α(1+(St/bt))=工作磁通φ=Z×BZ×bt×L×KFE/10000=KT(N.m/A)U(V DC)最大效率η0.99173180.9通电导体有效总根数:N=2π×KT/φ=2每齿线圈匝数:W=3N/4Z=理想空载转速:n0'=U/KE=空载转速:n0=n0'(2(η)^0.5-η)=AS(mm^2)IN(A)j(A/mm^2)284.7537.984槽利用率:KSF=(3×IN×N)/(2j×Z×AS)=3线圈导线截面积:qcu=IN/J=导线线径:d=(4×qcu/3.14)^0.5=88-SY-12-8jbt(cm)总有效系数α0.90.756978261KFE0.951.841475783(T)0.043455146(Wb)143.3904.4813062.0933054.029043(根)(匝)(r/min)(r/min)0.2999.495(mm^2)3.477(mm)a12多股线求总线径d1a2d20.38100.2270.537qcu=a1(πd1^2/4)+a2(πd2^2/4)=d=sqrt(4×qcu/π)=