xxxx《Y系列三相异步电动机电磁设计》课程设计学生姓名:xxx学号:011000xxx专业班级:电气2010级【x】班指导教师:xxx2013年xx月xx日目录1.课程设计目的…………………………………………………………22.课程设计题目和要求…………………………………………………23.课程设计报告内容……………………………………………………24.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与计算过程;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2.1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,步骤清晰。课程设计主要有以下的计算过程:1)额定数据及主要尺寸2)磁路计算3)参数计算4)工作性能计算2.2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、设计体会来进行书写。3.课程设计报告内容3.1额定数据和主要尺寸1.输出功率:kWPN2.22.外施相电压:VVUUNN2203/3803/(Y接)3.功电流:AAUmPINNkW33.32203102.2314.效率:800.0'5.功率因素:75.0cos'6.极对数:3p7.定转子槽数361Z332Z并采用转子斜槽每相每极槽数取整数22/111pmZq8.定转子每极槽数6636211pZZp5.5633222pZZp9.定转子冲片尺寸(见附录)10.极距mpDi0628.0612.02111.定子齿距mZDti0105.03612.011112.转子齿距mZDt0114.0331194.0222转子外径mmDDi1194.0)0003.0212.0(21213.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1t,于是转子斜槽宽mbsk0105.015.设计定子绕组并联支路11a.每槽导体数441sN16.每相串联导体数52813364411111amZNNs每相串联匝数2642528211NN17.绕组线规设计选用的铜线:高强度漆包线,并绕根数11iN,线径mmd06.11,绝缘后直径mmd15.1,截面积2'18825.0mmAc,2'118825.0mmANci18.槽满率1)槽面积262221'1211109772.8326.3)21.12(24.56.322)(22mmmRhhbRAs2)槽绝缘占面积mmi2.0,槽楔为mmh2单层26112101008.7)0036.00121.02(0002.0)2(mRhAii3)槽有效面积mAAAisef26108764.764)槽满率%7.758764.7615.14412211efsifAdNNS(符合要求)19.铁心长il铁心有效长无径向通风道mmllief1106.0)0003.02110.0(2净铁心长无径向通风道mmlkliFeFe1045.0110.095.020.绕组系数9659.019659.0111pddpKKK1)分布系数9659.0230sin22302sin2sin2sin1aqqaKd其中3036360321Zpa2)短距系数12sin1pK21.每相有效串联导体数5109659.052811dpKN3.2磁路计算22.初设886.0)1(''LEkVVUENL9.194220886.0)1('1初设22.1'sk查得094.1Nmk每极磁通WbWbfNkkEdpNm00347.0264509659.0094.146.1934111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.每极齿部截面积定子263111103396610417.511.095.0mZblkApiiFei转子2632221036215.51030.611.095.0mZblkApiiFei其中,定转子齿宽计算如下:1)定子齿宽1ibmbZhhDbii3331111011110317.5104.536]10)635.08.0(212.0[)](2[m105.517103.6236]1012.1)(0.82π[0.122RZ)]πh2(h[Db333111201i1i1齿部基本平行,所以取mbi3110417.5(平均值)2)转子齿宽2ibmmbZhhDbrri333220212221092.510233]10)5.06.17(21194.0[)](2[mmbZhhDbri333120212221068.6104.433]10)5.098.0(21194.0[)](2[齿部基本平行,所以取mbi321030.6(平均值)24.定子轭部高度mmRhDDhsij3331111'1102.121036.310)6.31.128.0(212.0175.032转子轭部高度mhDDhsij33222'2106.2210)5.06.17(2038.01194.02轭部导磁截面积定子2623'11109.1274102.1211.095.0mmhlkAjiFej转子2623'22107.2361106.2211.095.0mmhlkAjiFej25.空气隙截面积2621068.69451106.00628.0mmlAef26.波幅系数48.1avsBBF27.定子齿部磁密TTAFBisi5122.110339600347.048.161128.转子齿部磁密TTAFBisi4183.110362100347.048.162229.定子轭部磁密TTABjj361.1109.1274200347.02161130.转子轭部磁密TTABjj7346.0107.2361200347.02162231.气隙磁密TTAFBs7394.01068.694500347.048.1632.从D23磁化曲线找出对应上述磁密的磁场强度:cmAHi464.211cmAHi515.132cmAHj94.101cmAHj2184.2233.齿部磁路计算长度定子mmmrhhLi32121111103.136.3311.1231)(转子mhhLi322122106.17)(34.轭部磁路计算长度定子mmphDLjj33'11'11060.4212)102.12175.0(212)(转子mmphDLjj3'22'210857.1512)0226.0038.0(212)(35.有效气隙长度mmkkef33211042.0103.0044.1355.1其中气隙系数为355.12.3)2.375.03.04.4(5.10)2.375.03.04.4(5.10)75.04.4()75.04.4(22010110111bbtbtk044.11)175.03.04.4(4.11)175.03.04.4(4.11)75.04.4()75.04.4(22020220222bbtbtk36.齿部磁压降定子AALHFiii55.28103.1310464.2232111转子AALHFiii79.23106.1710515.133222237.轭部磁压降定子194.00628.00122.0'1jh,TBj361.11于是464.01jCALHCFjjjj62.211060.421094.10464.032'1111转子360.00628.00226.0'2jh,TBj7346.02于是637.02jCALHCFjjjj24.210857.15102184.2637.032'222238.气隙磁压降AABkF44.248104.07394.01042.063039.饱和系数21067.144.24879.2355.2844.24821FFFFkiis误差=%1%77.021067.121067.122.1,合格40.总磁压降AAFFFFFFjjii64.324)24.262.2179.2355.2844.248(212141.满载磁化电流AAkNmpFIdpm39659.026439.064.32469.0211142.满载磁化电流标么值90.033.33*kWmmIII43.励磁电抗标么值11.190.011**mmsIX3.3参数计算44.线圈平均半匝长单层线圈0.2266m0.07221.20.14ycBcKll其中0.14m0.01520.1121dlltB722m00.6/103.6]465.110.635)(0.82[1202/])(2[3-21211101yprhhhDi取节距比=1;线圈直线部分伸出铁心的长度d1取15mm;经验系数kc取1.246.单层线圈端部平均长0.1166m0.07221.20.015221ycEKdl47.漏抗系数0.03220310102.21106.0)9659.0264(0.26310)(263.0)(4C233223211212110xNNefdpNNefdppUPlKNpUmPlKNf48.定子槽比漏磁导1.26170.86410.3977111111LLuusKK0.39774.52.3635.022.38.0)(211011101011bbhbhu由于59.12.7465.1122121rh75.02.74.522111rb864.01L其中Ku1=KL1=149.定子槽漏抗XXefdpXstsCClKZClpmX67.01106.09659.0362617.111.033222211111*150.定子谐波漏抗XXsdpefXCCKKSCmX52.022.19659.01042.00129.00628.032322121*1其中0129.0s51.定子端部漏抗单层链式XXefdpXEECClKClX23.09659.01106.01166.02.02.0221*152.定子漏抗043.042.1*1*1*1*1xEsCXXXX53.转子槽比漏磁导181.2681.15.0222Lus5.015.002022bhu681.1318.14.598.02)(21202122