電機(jī)設(shè)計(jì)課程設(shè)計(jì)報(bào)告

1、Y系列三相異步電動(dòng)機(jī)電磁設(shè)計(jì)課程設(shè)計(jì)學(xué)生姓名：x xx學(xué)號(hào)：011000xxx專業(yè)班級(jí)：電氣2010級(jí)【x】班指導(dǎo)教師：x xx2013年xx月 xx日目 錄課程設(shè)計(jì)目的課程設(shè)計(jì)題目和要求 2課程設(shè)計(jì)報(bào)告內(nèi)容 2-課程設(shè)計(jì)問題分析 13 -課程設(shè)計(jì)心得體會(huì) 2222222222222221246.附錄 222222222222222222221522課程設(shè)計(jì)目的本課程設(shè)計(jì)是電機(jī)設(shè)計(jì)的實(shí)踐課程，要正確掌握電機(jī)設(shè)計(jì)的原理與計(jì)算過 程；綜合運(yùn)用所學(xué)過的電機(jī)學(xué)、電路和電機(jī)設(shè)計(jì)等課程知識(shí)； 培養(yǎng)工科學(xué)生的綜合工程素質(zhì)。2.課程設(shè)計(jì)題目和要求 課設(shè)題目該課程設(shè)計(jì)，要求按照所給的數(shù)據(jù)（見附錄）進(jìn)行電機(jī)設(shè)計(jì)，

2、計(jì)算過程詳細(xì)， 步驟清晰。課程設(shè)計(jì)主要有以下的計(jì)算過程：額定數(shù)據(jù)及主要尺寸磁路計(jì)算 參數(shù)計(jì)算 工作性能計(jì)算設(shè)計(jì)要求按題目要求，認(rèn)真完成電機(jī)設(shè)計(jì)學(xué)習(xí)，熟練掌握電機(jī)設(shè)計(jì)的計(jì)算步驟。 要求按照所給的數(shù)據(jù)進(jìn)行電機(jī)設(shè)計(jì)，計(jì)算過程詳細(xì)，步驟清晰。每一位學(xué)生應(yīng) 獨(dú)立完成設(shè)計(jì)全過程。撰寫設(shè)計(jì)報(bào)告，報(bào)告按照設(shè)計(jì)過程、設(shè)計(jì)總結(jié)、設(shè)計(jì)體 會(huì)來進(jìn)行書寫。3課程設(shè)計(jì)報(bào)告內(nèi)容 額定數(shù)據(jù)和主要尺寸輸出功率：Pn 2.2kW外施相電壓：Un Un/、3380V r 3220V（Y 接）Pn mUz 效率：0.800 功率因素：COS '0.75極對(duì)數(shù)：p 3 定轉(zhuǎn)子槽數(shù)Z136Z233并采用轉(zhuǎn)子斜槽每相每極槽數(shù)取整數(shù)

3、 定轉(zhuǎn)子每極槽數(shù)功電流：IkWZP1Zp2互2p2p9.定轉(zhuǎn)子沖片尺寸Di110.極距11 .定子齒距tiqi366a 3.33A3 220Zl/2 pm12336（見附錄）0120.0628m6Di1-012 0.0105m365.5i1乙12 轉(zhuǎn)子齒距 t2 -D2一01194 0.0114mZ233轉(zhuǎn)子外徑 D2 Di1 2(0.12 2 0.0003)m 0.1194m13定子繞組采用單層繞組，節(jié)距 y=6t1，于14為了削弱齒諧波磁場(chǎng)的影響，轉(zhuǎn)子采用斜槽，一般斜一個(gè)定子齒距是轉(zhuǎn)子斜槽寬bsk 0.0105m15. 設(shè)計(jì)定子繞組并聯(lián)支路a11.每槽導(dǎo)體數(shù)Ns1 4416. 每相串聯(lián)導(dǎo)體

4、數(shù) N 144 36528m1a13 1每相串聯(lián)匝數(shù)M N 1竺2642 217. 繞組線規(guī)設(shè)計(jì)絕緣后直選用的銅線：高強(qiáng)度漆包線，并繞根數(shù)21 1，線徑d1 1.06mm，徑d 1.15mm，截面積A(C10.8825mm2， Ni1A(C10.8825mm218. 槽滿率槽面積As2R； b1 皿 h)22 3.6 5.42(12.12)3.622 mm6283.9772 10 m槽絕緣占面積i 0.2 mm，槽楔為 h 2mmA i(2h12R1)單層 0.0002 (2 0.01210.0036)6 27.1008 10 m槽有效面積AefAsAi76.8764 10槽滿率SfMiNsi

5、d2Aef1 44 1.15276.876475.7%（符合要求）19. 鐵心長(zhǎng)li鐵心有效長(zhǎng) 無徑向通風(fēng)道lef li 2(0.1102 0.0003)m0.1106m凈鐵心長(zhǎng)無徑向通風(fēng)道"ekFelj0.95 0.110m0.1045m繞組系數(shù)Kdp1©1心10.9659 10.9659分布系數(shù)Kd1sin si n302 20.9659qsi n?2s in302 2其中a p 口60乙 3630528 0.9659510短距系數(shù)K” sin21磁路計(jì)算22.初設(shè)kE(1 L) 0.886E1(1 L)U N 0.886 220V194.9V初設(shè)ks 1.22查得 k

6、Nm 1.094E1每極磁通4kzm kdp1 fN193.6Wb21.每相有效串聯(lián)導(dǎo)體數(shù)N 1Kdp14 1.094 0.9659 50 2640.00347Wb為計(jì)算磁路各部分磁密，需先計(jì)算磁路中各部分的磁導(dǎo)截面23.每極齒部截面積轉(zhuǎn)子 A2kFelibi2Zp2 0.95 0.11 6.30 10 3 5.5 3621 10 6 m2其中，定轉(zhuǎn)子齒寬計(jì)算如下:定子齒寬bi 1bi1Di12(h°1hn)Zbi30.122 (0.8 0.635) 10 5 43610 35.317103mbi1D i1 2(h0162) nZ1n 0.12 2 (0.812.1) 10 3236

7、3.61035.517 10齒部基本平行，所以取g5.417103m（平均值）轉(zhuǎn)子齒寬b 2bi 2D22( hr12h02 )Z2br230.1194 2 (17.6 0.5) 10 332 103m 5.92103mbi2D22( hi2佗2)Z2br130.1194 2 (0.98 0.5) 10 4.41036.68 10 m33齒部基本平行，所以取b26.30 103m（平均值）24.定子軛部高度hj1罟R10.175 0.12(0.812.1 3.6)12.2 10 3m轉(zhuǎn)子軛部高度hj2D2Di22hs20.1194聖(17.60.5)310 22.6310 m軛部導(dǎo)磁截面積疋子

8、Aj1kFeli hj10.95 0.1112.2 101274.9 10625.空氣隙截面積 A lef 0.0628 0.1106m26945.68 10 6 m226.波幅系數(shù)FsBB av1.4827.定子齒部磁密Bj1Fs1.48 0.00347 T6 11.5122TAi13396 1028.轉(zhuǎn)子齒部磁密Bi2Fs1.48 0.00347 T6 11.4183TAi23621 1029.定子軛部磁密B j110.00347訂1.361T2 Aj12 1274.9 1030.轉(zhuǎn)子軛部磁密Bj210.00347飛T0.7346T2 Aj22 2361.7 1031.氣隙磁密BFs1.4

9、8°.°0347t0.7394TA6945.68 10Hi1 21.464 A cmi1Hi213.515 A cm H j110.94 A cm H j2 2.2184 A cm32.從D23磁化曲線找出對(duì)應(yīng)上述磁密的磁場(chǎng)強(qiáng)度:33.齒部磁路計(jì)算長(zhǎng)度定子 Li1(hnhG13r2112.1 1 3.6mm313.3 10 3m轉(zhuǎn)子 Li2(h12h22 )17.610 3m34.軛部磁路計(jì)算長(zhǎng)度(D1 hjj P© h；2)定子L'j1(0.175 12.2 1012-m 42.60 10 3m轉(zhuǎn)子L'j2(°.038 °.&

10、#176;226)m 15.8571210 3m35.有效氣隙長(zhǎng)度 ef k 1k1.355 1.044 0.3 10 3m0.42 10 3m其中氣隙系數(shù)為以4.40.75b°1)如4.40.75®) b01t2(4.40.75bo2)t2(4.40.75b°2)b0236.齒部磁壓降轉(zhuǎn)子Fi2Hi2Li210.5 (4.4 0.3 0.75 3.2)21.35510.5 (4.4 0.3 0.75 3.2) 3.211.4 (4.4 0.3 0.75 1)11.421.044(4.4 0.3 0.75 1) 1213.515 102 17.6 10 3A 23

11、.79A37.軛部磁壓降定子Fj1轉(zhuǎn)子hj20.02260.06280.360，Bj2 0.7346T 于是 Cj2 0.637Fj2Cj2H j2Lj20.6372.2184 102 15.857 10 32.24A38氣隙磁壓降F39.飽和系數(shù)ks -0FiF0.42 10攀94 A 248.44A0.410 6Fi2248.44 28.55 23.79248.441.21067誤差=%將O'77%1%，合格h 0 0122丄 辰 °.194®361T 于是Cj1°.464Cj1H j1L'j1 0.464 10.94 102 42.60 10

12、 321.62A40.總磁壓降F F Fi1Fi2Fj1Fj2(248.44 28.55 23.7921.62 2.24) A 324.64A41.滿載磁化電流I2pF6 324.6442.滿載磁化電流標(biāo)么值43.勵(lì)磁電抗標(biāo)么值 X0.9m1N1kdp1ImImI kWmsImA 3A0.9 3 264 0.96590.903.331.110.90參數(shù)計(jì)算44.線圈平均半匝長(zhǎng)單層線圈lc l B K c y0.141.20.07220.2266m其中 lB lt 2d10.11 2 0.0150.14my Di1 2(h01)h21 r21/2P120 2 (0.8 0.635) 11.465

13、 3.6 10-3 /60.0722m取節(jié)距比=1；線圈直線部分伸出鐵心的長(zhǎng)度 d1取15mm；經(jīng)驗(yàn)系數(shù)kc取Cx47 漏抗系數(shù)4 f 0(NiKdpi)2lefPN2mi pU n0.263(NiKdJlefPN 1032pU N0.263 (264 0.9659)20.1106 2.210310 348.定子槽比漏磁導(dǎo)s1u1h01b012h11(b01 b11)0.83.2由于h212r21竺 1.597.2其中Ku1 =K_1=149.定子槽漏抗Xs150.定子諧波漏抗m1SCxef Kdp1 K s其中 s 0.012951.定子端部漏抗單層鏈?zhǔn)絏e10.2l ECXK dp1 l

14、ef52.定子漏抗53.轉(zhuǎn)子槽比漏磁導(dǎo)u2h°20.5bn? 10.5_2202(b02 b12)h/b2=, bi/b2=23 220Ku1 u1 KL1 L1 1 0.39771 0.8642 0.6353.25.40.39770.031.2617bn2r215.47.20.75_10.8642m1 plt1s1CX2乙 K dp1 1 ef3 0.0628Xs1s22 3 3 021 12617Cx36 0.96592 0.11060.01290.42 10 3 0.96592 1.22 CX 0.52Cx°2 °11662Cx0.1106 0.96590.

15、23Cxu22 0.985.4查表得54.轉(zhuǎn)子槽漏抗Xs2入_=2m)1 plt20.67CX55.轉(zhuǎn)子諧波漏抗X查表得 R 0.0275X E11.42Cx_20.5 1.6811.3181.681s1CXZ2lefm1RCX2_K_ef s0.0432.1812 3 333 0.11060112181 Cx3 0.0628 0.0275 r23 Cx2 0.42 10 3 1.221.183CX56.轉(zhuǎn)子端部漏抗X E20.757(Ie It2 lef ( 1.13°.757 °.1016Cx 0.1159Cx0.1106 657.轉(zhuǎn)子斜槽漏抗Xsk0.5(bskt )

16、2X0.5(牒2 1.026CX0.4352Cx58.轉(zhuǎn)子漏抗X 2Xs2X 2 Xe2Xsk2.7601Cx 0.08359.總漏抗X X 1X 20.1360.定子直流電阻Ri61.定子相電阻標(biāo)幺值2N1lcN t1 Ac11R1*R1 kw0.0217 106 2 264 0.22661 0.8825 10 62.942 3.33 門0.0452202.94262.定子導(dǎo)線重量有效材料GWCl C N s1Z1 N t1Ac11.05 0.22664436 0.8825 10-68.91032.690 kg式中C為考慮導(dǎo)線絕緣和引線重量的系數(shù),漆包圓銅線取硅鋼片重量 GFeKFelt(D

17、1)2 Fe 0.950.11 0.182 7.810326.41kg式中 為沖剪余量，取5mm 轉(zhuǎn)子電阻Ab導(dǎo)條截面積/b02 br1br1 br2(2)h21 (2)h221 4 444 22()0.98 () 16.62mm55.83 102 2Rb2K B L B 4m1 (N1 Kdp1 )導(dǎo)條電阻折算值A(chǔ)BZ20.0434 10 6 1.04 0.11 4 3 (264 0.9659)226Z.IU355.83 10 6 33式中Kb =是疊片不整齊造成導(dǎo)條電阻增加的系數(shù))der (IZA-158) 10mm284 10 6m2Wer1Wer 2端環(huán)面積Ar (2Rr端環(huán)電阻折算值

18、2DrZ2 4m1( N1 Kdp1)2 P2ArZ20.0434 10 6 0.1016 4 3 (264 0.9659)20 7247導(dǎo)條電阻標(biāo)幺值Rb*RB I kw2.103 3.330.03183Un220端環(huán)電阻標(biāo)幺值Rr*Rr I kw0.7247 3.330.01097Un220轉(zhuǎn)子電阻標(biāo)么值工作性能計(jì)算R2*Rb * Rr* 0.042864. 滿載時(shí)定子電流有功分量標(biāo)么值lip* y 10 800 1.2565. 滿載時(shí)轉(zhuǎn)子電流無功分量標(biāo)么值|x*2 21X *(I1p*) 1( 1X *I1p*)2 21.039 0.13 1.252 1(1.039 0.13 1.25)

19、 0.217其中0.043/1.111=1+X1.03966.滿載時(shí)定子電流無功分量標(biāo)么值L 1I1Q* Im* Ix*0.90 0.217 1.11767.滿載電勢(shì)標(biāo)么值Ke 1(|1p* R1*|1Q*X 1*)(1.250.045 1.1170.043)0.89誤差=0.89 0.8860.449%0.8860.5%，合格68.空載時(shí)電勢(shì)標(biāo)么值1 Im* X1 0.900.0430.961369.空載時(shí)定子齒磁密70.空載時(shí)轉(zhuǎn)子齒磁密71.空載時(shí)定子軛磁密72.空載時(shí)轉(zhuǎn)子軛磁密73.空載時(shí)氣隙磁密B0 (1101L101L101L101L0、Bt10(Bt20(Bj10(Bj20(L)B

20、j1)Bi2)Bi1)Bj2(0.9613)(0.886 )(0.9613)(0.886 )(0.9613)(0.886 )(0.9613)(0.886 )(0.9613)(0.886 )1.51221.41831.3610.73461.6407T1.5388T1.4767T0.7970T0.73940.8022T從D23磁化曲線找出對(duì)應(yīng)上述磁密的磁場(chǎng)強(qiáng)度:Ht1050.238 A cm Ht2024.844 A cmH j1017.77 A cm Hj202.485 A cm74. 空載時(shí)定子齒部磁壓降75. 空載時(shí)轉(zhuǎn)子齒部磁壓降Ft10Ht10Lt1Ft20 H t20L t250.238

21、24.8442-31013.3 10231017.6 10-66.82Ah 0 012276.定子 丄0.194 , Bj101.4767T 于是 Cj1 0.37260.0628空載時(shí)定子軛部磁壓降Fj10 Cj1Hj10Lj1 0.3726 17.77 10 pF 00 42.6 10-328.21A0.360，Bj200.7970T 于是 Cj2 0.63777.轉(zhuǎn)子哇蘭邏0.0628空載時(shí)轉(zhuǎn)子軛部磁壓降Fj2oCj2Hj2oLj20.63778.空氣隙磁壓降F02.485 102 15.857 10-32.510A0.42 10 3 0.80226269.54A0.410 679.空載

22、總磁壓降F00Ft10Ft20Fj 10Fj20 F 041081A6 410.813 264 0.96593.58A80.空載磁化電流81.定子電流標(biāo)么值*21p I*21Q),(1.251.117 )1.662定子電流實(shí)際值hI kw1.662 3.335.534A82.定子電流密度J1I15.53483.線負(fù)荷A1m-|Na1Nt1Ac11 0.8825111Di13 528 5.5340.1284.轉(zhuǎn)子電流標(biāo)么值I2，.(I*21p I*2X)6.271A mm223264A m,(1.252 0.2 1 72)1.251轉(zhuǎn)子電流實(shí)際值* m N12 I 2 I kw'1Kdp

23、11.251 3.33Z23 528 °.9659 193.14A33端環(huán)電流實(shí)際值堂3338.3A685.轉(zhuǎn)子電流密度12AB導(dǎo)條電密Jb193.1455.83/ 23.459 A mm端環(huán)電密Jr338.3844.027 A mm286. 定子電氣損耗* *2 *Pcu1I11.6622 0.045 0.1243Pcu1 PCu1* PN 0.1243 2.2 100.9m1N1Kdp10.9 273.46W87. 轉(zhuǎn)子電氣損耗* *2 * 2FAl2I2 R21.2512 0.0428 0.067Pm2 PAl2*PN0.067 2.2 103 147.4W*388. 附加損耗

24、 Ps Ps PN 0.015 2.2 1033W鑄鋁轉(zhuǎn)子(6極)Ps* 0.01589. 機(jī)械損耗 四級(jí)及以上封閉型自扇冷式244Pf w (3/p) (D1)10機(jī)械損耗標(biāo)么值Pfw*244(3/3)(0.175)109.3789W390.定子鐵耗(1) 定子齒重量Gt 2pA i1Li1 pe(2) 定子軛重量Gj 4pAj1Lj1 FePfw/ PN 9.3789/2.2 100.004266336 3396 10-13.3 10-7.8 102.114kg63312 1274.9 10- 42.6 10- 7.8 105.083kg(3)損耗系數(shù)PhetPhej 4.867%g定子齒

25、損耗 PFet Phet Gt 6.9391 2.114 14.669W定子軛損耗 PFej PhejGj 4.867 5.083 24.74W定子鐵耗 PFe k1PFet kzpFej 2.5 14.669 2 24.74 86.153W對(duì)于半閉口槽按經(jīng)驗(yàn)取K12.5 K22SnPai 2Pfw0.0671 0.0670.021250.0150.004260.052* *1Pai 2PsPn(2.5 1) 14.669 (2 1) 24.742200鐵耗標(biāo)么值PFe*PFe/ PN 86.153/22000.039291.總損耗標(biāo)么值* *pPcu1*PAI2Pfw* *PsPFe* 0.2497692.輸出功率PN1*1p1.2497693.效率1p*/ Pn1*10.24976/1.249760.800 (與假定值相符)94.功率因數(shù)cos* *I1p /111.25/1.6620.7595.轉(zhuǎn)差率60f _、60 50 (1 0.052) ,cr96. 轉(zhuǎn)速