电机设计课程设计报告

0 v1.0可编辑可修改xxxxxxx1 v1.0可编辑可修改2013年xx月XX日2 v1.0可编辑可修改 4.课程设计问题分析 135.课程设计心得体会 146.附录....................................................151.课程设计目的3 v1.0可编辑可修改①本课程设计是《电机设计》的实践课程，要正确掌握电机设计的原理②综合运用所学过的电机学、电路和电机设计等课程知识；③培养工科学生的综合工程素质。2.课程设计题目和要求课设题目该课程设计，要求按照所给的数据(见附录)进行电机设计，计算过程详细，步骤课程设计主要有以下的计算过程：2)磁路计算3)参数计算4)工作性能计算设计要求1•按题目要求，认真完成《电机设计》学习，熟练掌握电机设计的计算步骤。2•要求按照所给的数据进行电机设计，计算过程详细，步骤清晰。每一位学生应独立完成设计全过程。撰写设计报告，报告按照设计过程、设计总结、设计体会3.课程设计报告内容额定数据和主要尺寸NNNNN4 v1.02.2103.功电流：血-P^A3.33A7.定转子槽数Z233并采用转子斜槽每相每极槽数取整数q!Z〃2pm2i8.定转子每极槽数乙36乙362p62p6P22p69.定转子冲片尺寸(见附录)D01210.极距一i1—0.0628m2p6D01211.定子齿距t1一——0.0105m乙36D0119412.转子齿距t2竺一0^^40.0114mZ332转子外径D2Di12(0.1220.0003)m0.1194m13.定子绕组采用单层绕组，节距y=614.为了削弱齿谐波磁场的影响，转子采用斜槽，一般斜一个定子齿距15.设计定子绕组5 v1.0可编辑可修改16.每相串联导体数N!径1©每相串联匝数Ni2642217.绕组线规设计绝缘后直选用的铜线：高强度漆包线，并绕根数Nd1，线径di1.06mm绝缘后直18.槽满率23.65.42(12.12)3.62mm26283.977210622)槽绝缘占面积i0.2mm，槽楔为h2mmAi(2h12R1)单层0.0002(20.01210.0036)7.1008106m276.876410i1s1NNd21i1s1 铁心有效长无径向通风道lefli2净铁心长无径向通风道Fej(0.1100.950.110m20.0003)m0.1045m0.1106m62 v1.0可编辑可修改220.绕组系数1)分布系数Kdd1Kd1Kp1.qasin-2 20.965912302sin-0.96592)短距系数Kp1sin—221.每相有效串联导体数N1Kdp15280.9659510磁路计算22.初设kE(1L)0.886E1(1L)UN0.886220V194.9V初设ks1.22查得kNm1.094巳41.0940.965950264每极磁通为计算磁路各部分磁密，需先计算磁路中各部分的磁导截面23.每极齿部截面积AkFelibnZpm2转子A2kFehbi2Zp20.950.116.301035.53621106m2其中，定转子齿7bbb v1.0可编辑可修改bbbbi1bb[O.122(0.836[Di12(h01血)]n2RZ 3]0.)43]0.)431323.61035.517103m齿部基本平行，所以取g5.417103m(平均值)ZrhZ23[O.11942(17.610].5)3[O.11942(17.610].5)333ho]2ho]2Z25)10][O.5)10]6.30103m(平均值)24.定子轭部高度hj1罟Ri0.1750.12(0.812.13.6)103晋103m佗2103m转子轭部高度.'D2Di2hj2whs20.11940.038(仃60.5)10322.610m3轭部导磁截面积AjikFelihjim106m2j2Feij2转子Aklh0.950.1122.6103m2j2Feij225.空气隙截面积Al0.06280.1106m26945.68106m28 v1.0可编辑可修改26.波幅系数FsBB定子齿部磁密转子齿部磁密定子轭部磁密转子轭部磁密Bi1Bj1FsAFsAi1Ai2Aj11.480.00347T6]T3396101.480.00347T6]T3621100.0034721274.9106T1.36仃00347°.皿T皿T0.7346T60.7394Ti121.464AcmHi213.515Acm33.齿部磁路计算长度Li1(hn转子转子L17.634.轭部磁路计算长度i2(h12h2234.轭部磁路计算长度j110.94AcmHj22.2184Acm133.6mm13.3103m3335.有效气隙长度其中气隙系数为0.75b01)0.75b02)36.齿部磁压降(0.175^^m42.60103m1210.5(4.40.30.753.2)1.35510.5(4.40.30.753.2)3.2211.4(4.40.30.751)11.4(4.40.30.751)12HI22.46410213.3103A28.55Ai1i19m v1.0可编辑可修改mFiHiLi13.51510217.6103A23.79A37.轭部磁压降Ih00122定子丄00竺0.194,Bj11.36仃于是Cj10.4640.0628jj0.46410.9410242.600.46410.9410242.6010321.62AI00226转子上h■00丝0.360,Bj20.7346T于是Cj20.6370.0628jjFCHL0'.6372.218410215.8571302.24Aj2j2j2j2039.饱和系数ks匚廿248.4428.5523.791.21067248.440.77%1%，合格误差=10.77%1%，合格误差=1.2106740.总磁压降FFF1Fi2Fj1Fj2(248.4428.5523.7921.622.24)A324.64A41.满载磁化电流IA341.满载磁化电流IA3A0.9mNk0.932640.965911dp1I3I亠0.9042.42.满载磁化电流标么值*m4IkW43.励磁电抗标么值X43.励磁电抗标么值Xms*1.11 v1.0可编辑可修改参数计算44.线圈平均半匝长单层线圈lclBKcy0.141.20.07220.2266m其中1BIt2d10.1120.0150.14myD01)P[i12(h0h21r21]/2[1202(0.80.635)11.4653.6]10-3/6 v1.0可编辑可修改46.单层线圈端部平均长lE2d,Kcy20.0151.20.07220.1166m47.漏抗系数0.263(2640.9659)20.11062.210348.定子槽比漏磁导s1 .2Ku1u1KL1L110.39771b12hn20.635 3.25.40.3977.750.864 bn5.4 2r217.22r21其中Ku1=K_1=1.111.2617^360.96592.1106CX50.定子谐波漏抗0.67CXSCX1efKdp1Ks其中0.0129其中51.定子端部漏抗0.2lC0.2lCEXKdp1lefX52.定子漏抗X53.转子槽比漏磁导30.06280.0129-----C0.52CXX0.421030.96592XX201166C0.23C・2XX0.11060.96592X1.42C0.043E1x2.1810.52.181Lh0.5uub1亠1.3184h/b2=,b1/b2=查表得入30.06280.027530.06280.0275X2330.112.1812330.112.181m/X330.1106查表得R0.0275XX2Kefs56.转子端部漏抗XE257.转子斜槽漏抗Xsk*58.转子漏抗((E0.7570.1016 0.11066CX00105*0.5(bskt2)2x20.5(亦)21.026CX****X2Xs2X2XE2Xsk*2.7601CX°.X352C0.1159CXX2NxA10.8825106c1160.定子直流电阻R12N」c0.。217NxA10.8825106c1161.定子相电阻标幺值R1*R1Ikw2.942323300.045UN62.有效材料定子导线重量AGWClCNs1Z1Nt1c11.050.226644360.8825-68.91032.690式中C为考虑导线绝缘和引线重量的系数，漆包圆铜线取硅钢片重量GFeKFelt(D1)2Fe0.950.110.1827.810326.41kg63.转子电阻导条截面积AB/br1)h21(144()0.98(22br1br22)h2)16.62mm22v1.0可编辑可修改RB导条电阻折算值ABZ221.040.1143(2640.9659)2式中K=是叠片不整齐造成导条电阻增加的系数B2端环电阻折算值2端环电阻折算值~~2P2ARZ20.04341060.101643(2640.9659)23284102103Z21033B电阻标幺值R*BR端环电阻标幺值R*R2.1033.33kwB220N20R*R*20BR0.031830.01097工作性能计算1.25满载时定子电流有功分量标么值|1p*65.满载时转子电流无功分量标么值I*x1X*(I1p*)[1(1X*I1p*)]220.217X1=1.11*10.043其中1Qmx66•满载时定子电流无功分量标么值I*I*I*1Qmx67.满载电势标么值KE1L1(I1p*R1*I1Q*X1*)1(1.250.0451.1170.043)0.89误差=0.891.03898.131.252[1(1.0320.131.25)]误差=0.886,68.空载时误差=0.886,68.空载时电势标么值11I*X*10.900.0430.96130m10.194, v1.0可编辑可修改0.194,69.空载时定子齿磁密70.空载时转子齿磁密71.空载时定子轭磁密Bt10Bt20Bj10j2072.空载时转子轭磁密j200)Bi1L0)Bi2L0冋L—)Bj21(0.9613.(0.88(0.7970T0.73460.7970T0.7346-8022T0.886((需)°-7394°从D23磁化曲线找出对应上述磁密的磁场强度:50.238AcmH24.844A50.238AcmH24.844Acm17.77AcmHHt10Hj10t10t10t174.空载时定子齿部磁压降FHL50.238102t10t10t175.空载时转子齿部磁压降FHL24.84410217.610-343.73At20t20t2空载时转子轭部磁压降0.6372.485FC0.6372.485j20j2j20j276.定子匹.也2210215.85710-32.510A0.4106空载时定子轭部磁压降79.空载总磁压降F00Ft10Ft20Fj10Fj20F0°.4181AFCHL0.372617.77102j10j1j10j1P80.空载磁化2261m02F000.062842.610-328.21A6410.813.58A11kw1kw定子电流实际值III11kw1kw v1.0可编辑可修改aNA10.8825JiaNA10.8825,t1c11转子电流实际值的3.333528O.9659193.14AI2121kw端环电流实际值I22端环电流实际值I22338.3A6R685.转子电流密度导条电密JB艮3.459Amm2A55.83B86.定子电气损耗P**2*I1.66220.0450.1243cu11FCu1F0.12432.287.转子电气损耗**2*PAl2I2R2PPP*Al2Al2Ns1.25120.04280.0670.0672.2103147.4WNPP0.0152.210333WN铸铝转子(6极)Ps0.01589.机械损耗四级及以上封闭型自扇冷式PfwpD9.3789Wfw*fwN机械损耗标么值PP/Pfw*fwNtrPFejrv1.0可编辑trPFejr90.定子铁耗⑴定子齿重量Gt2pAilLi1pe6339610-613.310-37.81032.114kg⑵定子轭重量Gj4pAj1Lj1Fe121274.910-642.610-37.81035.083kg⑶⑶损耗系数P6.9391khetWg4.867⑷定子齿损耗PFetPhetGt6.93912.11414.669W⑸定子轭损耗PFejPhejGj4.8675.08324.74W定子铁耗PFek1PFetl^PFej2.514.669224.7486.153W⑹对于半闭口槽按经验取KFe*FeN铁耗标么值PPFe*FeN0.0392总损