直流电机电磁计算软件

一、主要技术指标编号符号单位圆整单位圆整1、额定电压U24V48V242、额定电流I0.6A1A2.553、额定功率P5.5W30W384、额定转速n3000RPM10000RPM3000空载转速n'31001200031005、机电时间常数Tm0.001s0.001s0.0016、工作状态2m2m2m7、外型尺寸（径）Dj42mm36mm8、外型尺寸（长）Lj20mm65mm二、主要尺寸确定9、额定效率η0.3820.6250.62110、计算功率P'7.73W34.50W45.945.7311、感应电动势初算Ea14.11V36.00V17.9312、极对数p21113、永磁材料粘结铷铁硼BDM-8烧结铷铁硼N-30SH预计工作温度t60℃60℃60Br200.651.10.65Br0.63181.06920.6318温度系数-0.07-0.07-0.07Hc20440kA/m796kA/m440Hc427.68kA/m773.712kA/m427.68温度系数-0.07-0.07-0.07内禀矫顽力HjkA/m1592永磁体相对回复磁导率μr1.176171.100251.17617最高工作温度下的拐点0.20.20.214、预取线负荷A9000A/m11000A/m930015、预取气隙磁感应强度B0.60T0.55T0.4316、极弧系数α0.80.80.7217、长径比λ1.120.618、电枢内径D214.90mm####14.24mm1437.7619、计算气隙δ0.4mm0.7mm0.520、电枢外径D134.02mm3429.4mm####21、电枢铁芯长La17.82mm1828mm2822.822、极距τ12.7mm22.0mm59.723、电枢计算长Lef18.8mm28.0mm23.0三、电枢冲片和绕组结构确定直流电机电磁计算书永磁体剩磁密度永磁体计算矫顽力绕组型式单波分数绕组集中整距绕组单叠24、绕组并联支路数a11125、齿数Z961326、齿距t5.657.339.1827、齿距角tj40°60°27.6928、预计每极满载气隙磁通Φδ#######Wb##############29、预计导体总数N`89249861330、每槽导体数N`s99.183.047.131、每槽元件数u22232、每元件匝数W`s24.781720.762011.7833、实际每槽导体数Ns68804834、实际导体总数N61248062435、实际电负荷A36085457666436、支路电流Ia0.30.51.27537、预计电枢电流密J`26.56.56.538、预计导线截面积A`Cua0.0460.0770.19639、并绕根数Nt11140、导线裸线线径di0.240.240.310.320.5041、导线绝缘后线径d0.300.340.5242、实际导线截面积ACua0.04520.07690.196243、实际电枢电流密度J26.6316.5006.50044、实际热负荷AJ2239.23354.69433.19槽形选择45、槽口宽b012mm2mm2.241.646、槽口高h020.5mm0.5mm0.847、槽上部半径r11mmmm48、槽下部半径r22mmmm1.349、槽上部倒角半径r23mmmm150、槽上部高度h2mm0.5mm151、槽上部宽度d1mmmm5.752、槽中部高度h22mmmm6.453、槽下部宽度d2mmmm2.654、槽上部倒角圆心d3mm3.7mm3.755、槽高ht23.8mm4.5mm9.556、齿宽bt22.684mm1.884mm2.953.123齿上部宽度bt215.303mmmm2.609齿下部宽度bt223.000mmmm2.61757、电枢轭部高hjt3mm3.25mm3.2558、槽绝缘厚度Ci0.25mm0.25mm0.2559、槽面积S25.30mm227.2mm228.8460、槽满率Sf24%33.0%45.061、绕组平均半匝长Lav39.9mm46.9mm73.362、绕组电阻Ra2.407Ω1.306Ω1.04163、电枢径Di27.0mm7.0mm7.064、电枢铁心轭高hj20.8mmmm6.065、电枢轭有效高hj211.7mmmm6.8866、电枢铁心轭部沿磁路计算长度3.738521.677mm25.0767、电枢铁心材料GW540-50GW540-50叠片系数Kfe0.96比损耗2.16W/kg材料密度7.75转子结构68、永磁体外径Dm15.4mm12.669、永磁体内径Dmi11.4mm8.6紧圈厚0.3紧圈外径13.271、永磁体磁化方面截面积Sm368.37443.34372、永磁体材料参数永磁体材料粘结铷铁硼BDM-8剩磁Br1.1T1.1矫顽力Hc796KA/m796内禀矫顽力Hj1592KA/m1592材料密度ρ7.4g/cm37.473、Br对应的磁通Φt#######Wb#######WbHc对应的磁势FcA3184A转子磁轭计算宽度bj3.3mm转子磁轭计算长度Lj28.3mm四、磁路计算漏磁系数σ1.268、气隙系数Kδ1.214961.135471.0729969、气隙磁通Φδ##############Bδ0.4370、电枢齿磁感应强度Bt2.5871Bδ71、电枢轭磁感应强度Bj12.8194Bδ72、转子磁感应强度Bj23.1987Bδ73、气隙磁势Fδ#######Bδ74、电枢齿磁势Ft0.009Ht75、电枢轭磁势Fj10.02168Hj76、转子轭磁势Fj20.0083Hj77、总磁势F78、总磁通0.00029电路计算单位圆整单位圆整V12VA2.6AW20WRPM1440RPM1550s0.001s2mmmmmmmmm0.641W23.73WV9.13V1烧结铷铁硼N-30SH℃60℃0.950.9234-0.07kA/m800kA/mkA/m777.6kA/m-0.070.945460.2A/m9000A/mT0.6T0.721.7mm3824.78mm25mm0.25mmmmmmmm2242.5mm48mm39.3mmmm48.5mm单叠112mm6.54mm°30.00°Wb#######Wb32226.82126.71728336A/m5561A/mA1.3AA/mm26.5A/mm2mm20.200mm21mm0.50.50mm0.5mm0.52mmmm20.2000mm2A/mm26.500A/mm2A2/cm.mm2361.50A2/cm.mm2mm1.6mmmm0.8mmmmmmmm1.3mmmm1mmmm1mmmm5.7mmmm6.4mmmm2.6mmmm3.7mmmm9.5mmmm2.125mm2.5mm-0.100mmmm-0.350mmmm6mmmm0.25mmmm228.84mm2%26.3%mm81.8mmΩ0.613Ωmm7.0mmmmmmmmmm19.3523mm1.11.15917mm1.1T0.6T空载特性曲线计算Bδ0.40.450.50.55Φδ5E-04*Bδ10-4Wb1.972.2172.4632.709Bt2.587*BδT1.0351.1641.2941.423Bj23.199*BδT1.2791.4391.5991.759Bj12.819*BδT1.1281.2691.411.551Fδ1272*BδA508.7572.3635.9699.5HtA/m1.8482.323.165.19Hj2A/m9.41219.635.1468.59Hj1A/m2.1712.964.8811.48Ft0.009*Ht10-2A1.6632.0882.8444.671Fj20.008*Hj210-2A7.81216.2729.1756.93Fj10.022*Hj110-2A4.7066.41610.5824.89FA522.9597.1678.5785.9Φm5.911*Bδ10-4Wb2.3642.662.9563.2510.62.9561.5521.9191.69276311.49129.634.8310.34107.675.5956.53.547