唐任远书异步启动永磁同步电动机电磁计算程序

序号名称公式单位一额定数据1额定功率PNkw2相数m13额定线电压UN1V额定相电压UNV4额定频率ƒHz5极对数p6额定效率η1N%7额定功率因数cosφ1N8额定相电流INA9额定转速nNr/min10额定转矩TNN.m11绝缘等级B级12绕组形式双层二主要尺寸13铁芯材料50W470硅钢片14转子磁路结构形式15气隙长度δcm16定子外径D1cm17定子内径Di1cm异步启动永磁同步电动机电磁计算程序以下公式中π取值为3.1418转子外径D2cm19转子内径Di2cm20定、转子铁心长度l1=l2cm21铁心计算长度la=l1cm铁心有效长度leffcm铁心叠压系数Kfe净铁心长lFecm22定子槽数Q123定子每级槽数Qp124极距τp25定子槽形梨形槽bs0cmhs0cmbs1cmhs1cmhs2cmrcm26每槽导体数Ns127并联支路数a128每相绕组串联导体数NΦ129绕组线规N11S11mm230槽满率根据N11S11=1.54mm2,线径取d1/d1i=1.4mm/1.46mm,并绕根数N1=1（1）槽面积sscm2槽楔厚度hcm(2)槽绝缘占面积sicm2h1scm绝缘厚度Cicm（3）槽有效面积secm2(4)槽满率sf%N1三永磁体计算31永磁材料类型铷铁棚32永磁体结构矩形33极弧系数ap34主要计算弧长b1pcm35主要极弧系数a1p36永磁体Br温度系数aBr永磁体剩余磁通密度Br20T温度t℃t=80℃时剩余磁通密度BrT37永磁体矫顽力Hc20KA/m永磁体Hc温度系数aHct=80℃时矫顽力HcKA/m38永磁体相对回复磁导率uru0H/m39最高工作温度下退磁曲线的拐点bk40永磁体宽度bmcm41永磁体磁化方向厚度hMcm42永磁体轴向长度lMcm43提供每级磁通的截面积SMcm2四磁路计算44定子齿距t1cm45定子斜槽宽bskcm46斜槽系数Ksk147节距y48绕组系数Kdp1(1)分布系数Kd1α°q1(2)短距系数Kp1β49气隙磁密波形系数Kf50气隙磁通波形系数KΦ51气隙系数Kδ52空载漏磁系数σ053永磁体空载工作点假设值b1m054空载主磁通Φδ0Wb55气隙磁密Bδ056气隙磁压降δ12cm直轴磁路FδA交轴磁路Fδq57定子齿磁路计算长度h1t158定子齿宽bt159定子齿磁密Bt10T60定子齿磁压降Ft1A查第2章附录图2E-3得Ht10A/cm61定子轭计算高度h1j1cm62定子轭磁路计算长度l1j1cm63定子轭磁密Bj10T64定子轭磁压降Fj1cm查第2章附录图2C-4得C1查第2章附录图2E-3得Hj10A/cm65磁路齿饱和系数Kt66每对极总磁压降ΣFadAΣFaqA67气隙主磁导ΛδH68磁导基值ΛbH69主磁导标幺值λδ70外磁路总磁导λ1H71漏磁导标幺值λσ72永磁体空载工作点bm073气隙磁密基波幅值Bδ1T74空载反电动势E0V五参数计算75线圈平均半匝长lzlBcmdcmτycmsinαcosαCs76双层线圈端部轴向投影长fdcm77定子直流电阻R1ΩρΩ.mm2/mS1mm2d1mm78漏抗系数Cx79定子槽比漏磁导λS1查第2章附录2A-3得Ku1KL１λu1λL1与假设值误差小于1%,不用重复计算80定子槽漏抗Xs181定子谐波漏抗Xd1Ω查第2章附录2A-4得ΣS82定子端部漏抗Xe1Ω83定子斜槽漏抗Xsk1Ω84定子漏抗X1Ω85直轴电枢磁动势折算系数Kad86交轴电枢磁动势折算系数KaqKq87直轴电枢反应电流XadΩEdVI1dAFadAf1adbmadΦδadWb88直轴同步电抗XdΩ89交轴磁化曲线（Xaq-Iq）计算六工作性能计算90转矩角θ°91假定交轴电流I1qA92交轴电枢反应电抗XaqΩ见P428页表10-1Xaq-Iq曲线93交轴同步电抗XqΩ94输入功率P1kwSINθSIN2θCOSθ95直轴电流IdA96交轴电流IqA97功率因数cosφ°ψ°φ°98定子电流I1A99负载气隙磁通ΦδWbEδV100负载气隙磁密BδT101负载定子齿磁密Bt1T102负载转子磁密Bj2T103铜耗Pcu1W104鉄耗（1）定子轭重量Gj1kg（2）定子齿重量Gt1kg(3)单位铁耗查第2章附录2E-4得pt1w/kgpj1w/kg(4)定子齿损耗Pt1W(5)定子轭损耗Pj1W(6)总损耗PFeWk1k2105杂耗PsPsNkw106机械损耗Pfww107总损耗ΣPkw108输出功率P2kw109效率η%110工作特性见P430表10-2111失步转矩倍数KMTmax112永磁体额定负载工作点bmNf1adN113电负荷A1A/cmλ1n114电密J1A/mm2115热负荷A1J1（A/cm）（A/mm2）116永磁体最大去磁工作点bmhf1adhIadhA算例4.00003.0000360.0000207.846096926.50003.00000.89601.00007.15960155253072.07547170.052314.8异步启动永磁同步电动机电磁计算程序14.74.8191919.10.9518.053667.7453333330.350.080.680.091.060.443213841.539699259根据N11S11=1.54mm2,线径取d1/d1i=1.4mm/1.46mm,并绕根数N1=11.0449520.20.1572481.150.030.88770476.8400277610.826.4511733330.832911-0.121.22801.13216923-0.12856.5441.0523700751.26E-0603.61.219136.81.2908888891.6781555560.98082571350.9328797610.9659601693020.965753860.8333333331.2300402670.9406348791.2448267171.30.870.0103650120.8411970220.021101.610936833.71379551.2966666670.6405444441.793880386233.4902.5766666675.3441055561.11430572912.980832390.71.7351.2118715351347.9917691080.0946287.68922E-061.50683E-065.1029296776.633808581.5308789030.8690037891.034706209201.529426831.682915872327.2568888890.5490852490.8357663494.3414579342.3838305111.7158936780.02171.53861.48.21E-010.9608659780.870.9050.403328710.674与假设值误差小于1%,不用重复计算4.69E-016.28E-010.02051.65E-015.31E-011.63E+000.8129815150.3251926060.46.558622511193.45280141.231451467158.29209370.0118463610.8587092570.0099496178.19E+0026.656.312.19根据I1q查表10-1得1.38E+014.44E+000.4483284510.8014937140.8938688943.25E+006.34E+000.9999593942.72E+01-5.17E-017.1248912060.010084516196.07567680.8184327131.7453347461.084150606261.317264623.264103534.2097075396.22.1726.1001867450.48310465166.21667622.5219.806546740.0227.98410.4753245883.97E+008.93E+010.18536125713.360.8611346311.04E-02176.61978556.6434.630762516817.8842820.4683161174.61E-014.79E+01