11KW调速永磁同步电动机电磁设计程序2

1、11KW变频起动永磁同步电动机电磁设计程序及电磁仿真永磁同步电动机电磁设计程序1.1额定数据和技术要求除特别注明外，电磁计算程序中的单位均按当前电机行业电磁计算时习惯使用的单位，尺寸以cm(厘米)、面积以cm2(平方厘米)、电压以V（伏）、电流以A（安）、功率和消耗以（瓦）、电阻和电抗以（欧姆）、磁通以Wb(韦伯)、磁密以T(特斯拉)、磁场强度以A/cm(安培/厘米)、转矩以N（牛顿）为单位。1额定功率Pn11kw2相数m133额定线电压UN1380V额定相电压Y接法UNUN1/3V219.394额定频次f50HZ5电动机的极对数P=26,0.87额定效率N,7额定功率因数cosN*8失步转矩

2、倍数TpoN*9起动转矩倍数TstN0.782.22.210起动电流倍数IstN*2.211额定相电流INPN10511105N,cosN,3219.39A24.62m1UN0.870.7812额定转速nN1000r/min13额定转矩TN9.55PN1039.5511nN100014绝缘等级:B级15绕组形式:双层叠绕Y接法1.2主要尺寸16死心资料DW540-50硅钢片17转子磁路构造形式:表贴式18气隙长度0.07cm19定子外径D126cm20定子内径Di118cm21转子外径D2Di12(1820.07)cm17.8622转子内径Di26cm23定,转子死心长度l1l215cm24死

3、心计算长度lal215cm死心有效长度lefla2(1520.07)cm15.14cm25定子槽数Q13626定子每极每相槽数qQ1/2m1p36/233=227极距pDi1/2P3.1418/239.728cm定子槽形:梨形槽定子槽尺寸h010.08cmb010.38cmb10.78cmr10.53cmh021.72cm29定子齿距t1Di118Q11.5708cm3630定子斜槽距离tskt1Q11.5708361.50cmQ1p36331定子齿宽Di12(h01h12)182(0.081.72)0.824954cmbt11Q12r1361.06Di12(h01hs1)182(0.080.

4、1155)0.824911cmbt12Q1b1360.78b1b01tan0.780.380.1155cm式中hs1212tan6bt11bt120.8249540.825911bt1bt1230.82491130.824940cm定子轭计算高度D1Di1(h0122618(0.081.722hj1h12r1)0.53)1.8467cm2323定子齿计算长度ht1r11.721h120.531.8967cm33定子轭磁路计算长度Lj1(D1hj1)(261.8467)6.3233cm4p1235每槽导体数Ns13836并联支路数1237每相绕组串连匝数Q1Ns13638N3114m11238并

5、绕根数-线径Nt1d11=1-1.20Nt2d12=1-1.2039槽满率槽面积As2r1b1(h12h)r1220.530.78(1.720.2)0.5321.8394cm22222式中,槽楔厚h0.2cm,槽绝缘占面积AiCi(2h12r12r1b1)0.035(3.440.531.060.78)0.2678cm2式中，绝缘厚度Ci0.03cm槽有效面积AefAsAi1.83960.26781.5718槽满率SfNsNt1(d11hd1)2Nt2(d12hd2)2Aef38(1.20.08)2(1.20.08)279.22%1.571840节距y=541绕组短距因数Kp1sin(2)sin

6、(5)0.833312式中y/mq5/6q142绕组散布因数Kd1sin20.96591qsin2(s)2sin(0.4682/2)432斜槽因数Ksk10.9909s0.468244绕组因数KdpKd1Kp1Ksk10.96590.83330.99090.9245绕组线圈均匀半匝长Lavl12(dL,e)152(1.55.106)28.212cm式中，绕组直线部分伸出长一般取1-3cm，取d=1.5cm；双层线圈端部斜边长L,Ey/(2cos0)9.728/(20.8497)5.106cm。cos01sin2010.527220.8497sinb12r10.781.06b12r12bt10.

7、781.060.52720.82492Di12h01hs1h12r150.160.1051.720.53)9.728y(182p3646双层线圈端部轴向投影长fdL,Esin5.1060.52722.692cm147单层线圈端部均匀长lE2(dL,E)2(1.55.106)13.212cm1.3永磁体的计算48永磁资料种类:钕铁硼49计算剩磁密度Br1.12T50计算矫顽力Hc936kA/m51相对答复磁导率r1.0552磁化方向长度hm0.4cm53永磁体宽度bm10cm54永磁体轴向长度:关于钕铁硼永磁lm15cm55供给每极磁通的截面积:关于矩形切向式Ambmlm1015150cm21.

8、4磁路计算56极弧系数p0.88957计算极弧系数40.8894ip60.90919.72861p0.0710.88958气隙磁密波形系数Kf4sini4sin0.9091.26042259气隙磁通波形系数K0.18350.01561.183560气隙系数Kf4sini4sin0.9091.26042261空载漏磁系数01.362永磁体空载工作点假定值bm,00.9163空载主磁通bm,0BrAm1040.911.1215010401.30.01176Wb064气隙磁密B01040.011761041lef0.9099.7280.8777Ti15.14气隙磁位差直轴磁路F2B(2K)10220

9、.87777(0.0151.20190.07)1021384.82A0410交轴磁路Fq2BK20.877771.20190.071021175.28A041066定子齿磁密Bt1Bt1lef0.87771.5715.141.77Tbt1KFel10.82490.951567定子齿磁位差Ft12Ht1ht1219.71.896774.72A68定子轭部磁密Bj101040.011761041.82T2l1KFehj12150.951.846769定子轭磁位差Fj12C1Hj1lj120.43101.847735.41A70转子轭磁密Bj201040.011761040.747T2l1KFehj

10、22150.955.94371转子轭计算高度hj2D2Di217.86605.934cm2272转子轭计算长度lj2(Di2hj2)(605.934)3.1267cm4p4673转子轭磁位Fj22C2Hj2lj222.273.12674.11A每对极总磁位差FFFt1Fj1Fj21384.8274.7235.414.111499.07A75磁路饱和系数KstFqFt11289.5474.721.06Fq1289.5476主磁导00.011767.88106F1499.0777主磁导标幺值2hm10227.881060.4102r0Am1.1241071507.9278外磁路总磁导标幺值n01.

11、39.7210.379漏磁导标幺值(01)(1.31)7.922.37880永磁体空载工作点bm0n10.30.911110.31n81气隙磁密基波幅值B1Kf01040.892T1lefi空载反电动势E04.44fKdpN0K1.44500.951140.011760.88242.7V1.5参数计算定子直流电阻R12lavNd112.17104228.2121140.3085aNt1d11)2Nt2(22(20.62)(2)2式中，为导线电阻率(mm2/m)，对A，E，B级其他绝缘，铜为0.0217mm2/m。漏抗系数4f0lef(KdpN)2102450410715.14(0.924414

12、4)2102Cxp30.442685定子槽比漏磁导s1KU1U1KL1L10.8750.40960.9061.1291.3813KU1(31)/4(2.51)/40.875KL1(97)/1657)/160.906(96h012hs10.0820.105U1b01b01b10.380.380.40960.78L11.12986定子槽漏抗Xs12pml1s1Cx2331.3813150.4426lefKdp2Q115.14(0.9244)20.354336定子谐波漏抗Xd1m1s39.7280.42680.44262KKdp2Cx(0.9244)20.1711Kst0.071.2061.06式中

13、S查附录获得。定子端部漏抗，关于单层交错式绕组1.2(d0.5fd)1.2(1.50.52.69)0.44260.01XE1Cx15.14lef89定子斜槽漏抗Xsktsk)2Xd10.5(1.44520.5()t11.57定子漏抗X1Xs1Xd1XE1Xsk0.35430.17110.010.07290.603891直轴电枢磁动势折算系数Kad11Kf0.79341.2692交轴电枢磁动势折算系数KaqKq0.365Kf0.28961.26式中，Kq0.365，由电磁场数值计算获得经验值。直轴电枢反响电抗XadE0Ed242.70141.51Id12.318.22式中，EV，取Id0.5IN

14、0.524.6212.31Ad141.5194直轴同步电抗XdXadX10.60388.228.82895交轴磁化曲线（XaqIq）计算（1）假定aq（可在0.150.85间取值）。（2）交轴磁路总磁压降Faq，以aq取代第55项中的，计算第5566项，所得Faq即为交轴磁路总磁压降。（3）关于交轴电流PFaqId0.45m1KaqKdp1Ksk1N1（4）交轴电动势EaqEaq0（5）交轴电枢反响电抗XaqEaq，给定不一样的aq，重复（1）（5）项即可Iq获得（XaqIq）曲线。XaqIq曲线数据表：aq/WbFaq/AIq/AEaq/VXaq/0.150.001764290.5410.5

15、836.403.440.250.00294408.07614.8560.674.080.350.00421526.0019.1585.0274.080.450.00529642.9323.41109.174.440.550.00647760.8127.7133.5254.820.650.00794877.7931.95157.674.930.750.0082933.75633.99169.234.970.850.011113.14740.54206.375.091.6工作性能计算96设定转矩角,34.597假定交轴电流Iq,23.67A98交轴电枢反响电抗Xq4.55，依据Iq,23.67A查

16、XaqIq曲线数据表。99交轴同步电抗XqXaqX14.550.60385.1584输入功率P1m2E0UN(XqsinR1cos)R1Un20.5Un2(XdXq)sin2XdXqR13292.70219.39(5.1584sin(34.5)0.3085cos(34.5)8.8285.15840.308520.3085219.3920.5219.392(8.8285.1584)sin6715734.6W101直轴电流R1UNsinXq(E0UNcos)IdXdXqR120.3085219.39sin34.55.1584(242.70219.69cos34.5)8.8285.15840.308

17、527.83A102交轴电流XdUNsinR1(E0UNcos)IdXdXqR128.828219.39sin34.50.3085(242.70219.69cos34.5)8.8285.15840.3085223.62A假如Iq计算值与91项假定值之间的偏差超出1%，则从头设计Iq，从头计算第9196项。功率因数Id7.83arctan18.35Iq23.6234.518.3516.15coscos16.150.96104定子电流I1Id2Iq27.83223.62224.89A105负载下运转时，从相量图中可求出其气隙基波合成电动势（V）E(E0IdXad)2(IqXaq)(242.707.

18、838.22)2(23.634.55)2208.18V气隙合成磁通（Wb）E208.180.01008Wb4.4fKdpNK4.44500.92451140.88106负载气隙磁密Bd1040.010080.7528Ti1lef0.9099.72815.14107负载定子齿磁密t1lef0.75281.5715.14Bt1dBdbt1KFel10.82490.95151.5231T108负载定子轭磁密Bj1d1040.010081.7267T2l1KFehj12150.951.8467109铜耗pcum1I12R1324.8920.3085573.33W110铁耗pFek1pt1dVt1k2p

19、j1dVj1120.42W式中，铁耗校订系数取k13，k22.5。111杂耗ps(I1)PsN*pN103158.61WIN112机械消耗：关于4极及以上关闭型自扇冷式pfw(3)2(D1)4(26)445.70Wp1010113总消耗PpcupFepspfw573.33120.42158.645.70908.06W114输出功率P2P1P15734.6908.0614826.6115效率P214826.6100%94.23%P1100%15737.6工作特征：以下表所示0P1/KwP2/KwI1/A/%cos2010.839.8715.094.930.992512.0811.4418.509

20、4.690.9934.515.7414.8323.3694.230.964518.7817.3731.3992.490.916520.6018.7436.9190.910.858521.3319.0241.6889.160.78100.224.9621.3049.9787.700.77117失步转矩倍数*Pmax21.301.94Tpo11PN式中Pmax21.30W，由电机工作特征上求得。永磁体额定负载工作点n(1faN,)10.3(10.0605)bmN110.30.8564n1式中，关于径向构造，,0.45m1KadKdpNIdN0.4530.79340.92451147.83faNp0

21、HchM1031.39360.40.060510IdN输出额定功率时候定子电流的直轴重量119电负荷A12mNIN611424.62297.80A/cmDi118120电密J1I124.632(d11)2Nt2(d12)25.50A/mmaNt12(1.2)2(1.2)22222121热负荷A1J1297.805.501638.30A/(cmmm2)122永磁体最大去磁工作点:bmhn(1fadh,)10.3(10.4041)0.5432110.31n式中，关于径向构造,0.45m1KadKdpNIadh0.4530.79340.924511452.280.4041fadhp0HchM1031

22、.39360.410IadhE0XdE02Xd2(R12Xd2)(E02UN2)R12Xd2242.708.828(242.708.828)2(0.308528.8282)(242.702219.392)0.308528.828252.28A3、经过活动，使学生养成博学多才的好习惯。比率剖析法和比较剖析法不可以测算出各要素的影响程度。采纳约当产量比率法，分派原资料花费与分派加工花费所用的竣工率都是一致的。C采纳直接分派法分派协助生产花费时，应试虑各协助生产车间之间互相供给产品或劳务的状况。错产品的实质生产成本包含废品损失和歇工损失。C成本报表是对外报告的会计报表。C成本剖析的首要程序是发现问题、剖析原由。C成本会计的对象是指成本核算。C成本计算的协助方法一般应与基本方法联合使用而不独自使用。C成本计算方法中的最基本的方法是分步法。XD当车间生产多种产品时，“废品损失”、“歇工损失”的借方余额，月底均直接记入该产品的产品成本中。定额法是为了简化成本计算而采纳的一种成本计算方法。F“废品损失”账户月底没有余额。废品损失是指在生产过程中发现和入库后发现的不行修复废品的生产成本和可修复废品的修复花费。F分步法的一个重要特色是各步骤之间要进行成本结转。()G各月底在产品