11KW調(diào)速永磁同步電動(dòng)機(jī)電磁設(shè)計(jì)程序2

1、11KW變頻起動(dòng)永磁同步電動(dòng)機(jī)電磁設(shè)計(jì)程序及電磁仿真永磁同步電動(dòng)機(jī)電磁設(shè)計(jì)程序1.1額定數(shù)據(jù)和技術(shù)要求除特別注明外，電磁計(jì)算程序中的單位均按當(dāng)前電機(jī)行業(yè)電磁計(jì)算時(shí)習(xí)慣使用的單位，尺寸以cm(厘米)、面積以cm2(平方厘米)、電壓以V（伏）、電流以A（安）、功率和消耗以（瓦）、電阻和電抗以（歐姆）、磁通以Wb(韋伯)、磁密以T(特斯拉)、磁場(chǎng)強(qiáng)度以A/cm(安培/厘米)、轉(zhuǎn)矩以N（牛頓）為單位。1額定功率Pn11kw2相數(shù)m133額定線電壓UN1380V額定相電壓Y接法UNUN1/3V219.394額定頻次f50HZ5電動(dòng)機(jī)的極對(duì)數(shù)P=26,0.87額定效率N,7額定功率因數(shù)cosN*8失步轉(zhuǎn)矩

2、倍數(shù)TpoN*9起動(dòng)轉(zhuǎn)矩倍數(shù)TstN0.782.22.210起動(dòng)電流倍數(shù)IstN*2.211額定相電流INPN10511105N,cosN,3219.39A24.62m1UN0.870.7812額定轉(zhuǎn)速nN1000r/min13額定轉(zhuǎn)矩TN9.55PN1039.5511nN100014絕緣等級(jí):B級(jí)15繞組形式:雙層疊繞Y接法1.2主要尺寸16死心資料DW540-50硅鋼片17轉(zhuǎn)子磁路構(gòu)造形式:表貼式18氣隙長(zhǎng)度0.07cm19定子外徑D126cm20定子內(nèi)徑Di118cm21轉(zhuǎn)子外徑D2Di12(1820.07)cm17.8622轉(zhuǎn)子內(nèi)徑Di26cm23定,轉(zhuǎn)子死心長(zhǎng)度l1l215cm24死

3、心計(jì)算長(zhǎng)度lal215cm死心有效長(zhǎng)度lefla2(1520.07)cm15.14cm25定子槽數(shù)Q13626定子每極每相槽數(shù)qQ1/2m1p36/233=227極距pDi1/2P3.1418/239.728cm定子槽形:梨形槽定子槽尺寸h010.08cmb010.38cmb10.78cmr10.53cmh021.72cm29定子齒距t1Di118Q11.5708cm3630定子斜槽距離tskt1Q11.5708361.50cmQ1p36331定子齒寬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定子軛計(jì)算高度D1Di1(h0122618(0.081.722hj1h12r1)0.53)1.8467cm2323定子齒計(jì)算長(zhǎng)度ht1r11.721h120.531.8967cm33定子軛磁路計(jì)算長(zhǎng)度Lj1(D1hj1)(261.8467)6.3233cm4p1235每槽導(dǎo)體數(shù)Ns13836并聯(lián)支路數(shù)1237每相繞組串連匝數(shù)Q1Ns13638N3114m11238并

5、繞根數(shù)-線徑Nt1d11=1-1.20Nt2d12=1-1.2039槽滿率槽面積As2r1b1(h12h)r1220.530.78(1.720.2)0.5321.8394cm22222式中,槽楔厚h0.2cm,槽絕緣占面積AiCi(2h12r12r1b1)0.035(3.440.531.060.78)0.2678cm2式中，絕緣厚度Ci0.03cm槽有效面積AefAsAi1.83960.26781.5718槽滿率SfNsNt1(d11hd1)2Nt2(d12hd2)2Aef38(1.20.08)2(1.20.08)279.22%1.571840節(jié)距y=541繞組短距因數(shù)Kp1sin(2)sin

6、(5)0.833312式中y/mq5/6q142繞組散布因數(shù)Kd1sin20.96591qsin2(s)2sin(0.4682/2)432斜槽因數(shù)Ksk10.9909s0.468244繞組因數(shù)KdpKd1Kp1Ksk10.96590.83330.99090.9245繞組線圈均勻半匝長(zhǎng)Lavl12(dL,e)152(1.55.106)28.212cm式中，繞組直線部分伸出長(zhǎng)一般取1-3cm，取d=1.5cm；雙層線圈端部斜邊長(zhǎng)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雙層線圈端部軸向投影長(zhǎng)fdL,Esin5.1060.52722.692cm147單層線圈端部均勻長(zhǎng)lE2(dL,E)2(1.55.106)13.212cm1.3永磁體的計(jì)算48永磁資料種類(lèi):釹鐵硼49計(jì)算剩磁密度Br1.12T50計(jì)算矯頑力Hc936kA/m51相對(duì)答復(fù)磁導(dǎo)率r1.0552磁化方向長(zhǎng)度hm0.4cm53永磁體寬度bm10cm54永磁體軸向長(zhǎng)度:關(guān)于釹鐵硼永磁lm15cm55供給每極磁通的截面積:關(guān)于矩形切向式Ambmlm1015150cm21.

8、4磁路計(jì)算56極弧系數(shù)p0.88957計(jì)算極弧系數(shù)40.8894ip60.90919.72861p0.0710.88958氣隙磁密波形系數(shù)Kf4sini4sin0.9091.26042259氣隙磁通波形系數(shù)K0.18350.01561.183560氣隙系數(shù)Kf4sini4sin0.9091.26042261空載漏磁系數(shù)01.362永磁體空載工作點(diǎn)假定值bm,00.9163空載主磁通bm,0BrAm1040.911.1215010401.30.01176Wb064氣隙磁密B01040.011761041lef0.9099.7280.8777Ti15.14氣隙磁位差直軸磁路F2B(2K)10220

9、.87777(0.0151.20190.07)1021384.82A0410交軸磁路Fq2BK20.877771.20190.071021175.28A041066定子齒磁密Bt1Bt1lef0.87771.5715.141.77Tbt1KFel10.82490.951567定子齒磁位差Ft12Ht1ht1219.71.896774.72A68定子軛部磁密Bj101040.011761041.82T2l1KFehj12150.951.846769定子軛磁位差Fj12C1Hj1lj120.43101.847735.41A70轉(zhuǎn)子軛磁密Bj201040.011761040.747T2l1KFehj

10、22150.955.94371轉(zhuǎn)子軛計(jì)算高度hj2D2Di217.86605.934cm2272轉(zhuǎn)子軛計(jì)算長(zhǎng)度lj2(Di2hj2)(605.934)3.1267cm4p4673轉(zhuǎn)子軛磁位Fj22C2Hj2lj222.273.12674.11A每對(duì)極總磁位差FFFt1Fj1Fj21384.8274.7235.414.111499.07A75磁路飽和系數(shù)KstFqFt11289.5474.721.06Fq1289.5476主磁導(dǎo)00.011767.88106F1499.0777主磁導(dǎo)標(biāo)幺值2hm10227.881060.4102r0Am1.1241071507.9278外磁路總磁導(dǎo)標(biāo)幺值n01.

11、39.7210.379漏磁導(dǎo)標(biāo)幺值(01)(1.31)7.922.37880永磁體空載工作點(diǎn)bm0n10.30.911110.31n81氣隙磁密基波幅值B1Kf01040.892T1lefi空載反電動(dòng)勢(shì)E04.44fKdpN0K1.44500.951140.011760.88242.7V1.5參數(shù)計(jì)算定子直流電阻R12lavNd112.17104228.2121140.3085aNt1d11)2Nt2(22(20.62)(2)2式中，為導(dǎo)線電阻率(mm2/m)，對(duì)A，E，B級(jí)其他絕緣，銅為0.0217mm2/m。漏抗系數(shù)4f0lef(KdpN)2102450410715.14(0.924414

12、4)2102Cxp30.442685定子槽比漏磁導(dǎo)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定子諧波漏抗Xd1m1s39.7280.42680.44262KKdp2Cx(0.9244)20.1711Kst0.071.2061.06式中

13、S查附錄獲得。定子端部漏抗，關(guān)于單層交錯(cuò)式繞組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直軸電樞磁動(dòng)勢(shì)折算系數(shù)Kad11Kf0.79341.2692交軸電樞磁動(dòng)勢(shì)折算系數(shù)KaqKq0.365Kf0.28961.26式中，Kq0.365，由電磁場(chǎng)數(shù)值計(jì)算獲得經(jīng)驗(yàn)值。直軸電樞反響電抗XadE0Ed242.70141.51Id12.318.22式中，EV，取Id0.5IN

14、0.524.6212.31Ad141.5194直軸同步電抗XdXadX10.60388.228.82895交軸磁化曲線（XaqIq）計(jì)算（1）假定aq（可在0.150.85間取值）。（2）交軸磁路總磁壓降Faq，以aq取代第55項(xiàng)中的，計(jì)算第5566項(xiàng)，所得Faq即為交軸磁路總磁壓降。（3）關(guān)于交軸電流PFaqId0.45m1KaqKdp1Ksk1N1（4）交軸電動(dòng)勢(shì)EaqEaq0（5）交軸電樞反響電抗XaqEaq，給定不一樣的aq，重復(fù)（1）（5）項(xiàng)即可Iq獲得（XaqIq）曲線。XaqIq曲線數(shù)據(jù)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工作性能計(jì)算96設(shè)定轉(zhuǎn)矩角,34.597假定交軸電流Iq,23.67A98交軸電樞反響電抗Xq4.55，依據(jù)Iq,23.67A查

16、XaqIq曲線數(shù)據(jù)表。99交軸同步電抗XqXaqX14.550.60385.1584輸入功率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直軸電流R1UNsinXq(E0UNcos)IdXdXqR120.3085219.39sin34.55.1584(242.70219.69cos34.5)8.8285.15840.308

17、527.83A102交軸電流XdUNsinR1(E0UNcos)IdXdXqR128.828219.39sin34.50.3085(242.70219.69cos34.5)8.8285.15840.3085223.62A假如Iq計(jì)算值與91項(xiàng)假定值之間的偏差超出1%，則從頭設(shè)計(jì)Iq，從頭計(jì)算第9196項(xiàng)。功率因數(shù)Id7.83arctan18.35Iq23.6234.518.3516.15coscos16.150.96104定子電流I1Id2Iq27.83223.62224.89A105負(fù)載下運(yùn)轉(zhuǎn)時(shí)，從相量圖中可求出其氣隙基波合成電動(dòng)勢(shì)（V）E(E0IdXad)2(IqXaq)(242.707.

18、838.22)2(23.634.55)2208.18V氣隙合成磁通（Wb）E208.180.01008Wb4.4fKdpNK4.44500.92451140.88106負(fù)載氣隙磁密Bd1040.010080.7528Ti1lef0.9099.72815.14107負(fù)載定子齒磁密t1lef0.75281.5715.14Bt1dBdbt1KFel10.82490.95151.5231T108負(fù)載定子軛磁密Bj1d1040.010081.7267T2l1KFehj12150.951.8467109銅耗pcum1I12R1324.8920.3085573.33W110鐵耗pFek1pt1dVt1k2p

19、j1dVj1120.42W式中，鐵耗校訂系數(shù)取k13，k22.5。111雜耗ps(I1)PsN*pN103158.61WIN112機(jī)械消耗：關(guān)于4極及以上關(guān)閉型自扇冷式pfw(3)2(D1)4(26)445.70Wp1010113總消耗PpcupFepspfw573.33120.42158.645.70908.06W114輸出功率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失步轉(zhuǎn)矩倍數(shù)*Pmax21.301.94Tpo11PN式中Pmax21.30W，由電機(jī)工作特征上求得。永磁體額定負(fù)載工作點(diǎn)n(1faN,)10.3(10.0605)bmN110.30.8564n1式中，關(guān)于徑向構(gòu)造，,0.45m1KadKdpNIdN0.4530.79340.92451147.83faNp0

21、HchM1031.39360.40.060510IdN輸出額定功率時(shí)候定子電流的直軸重量119電負(fù)荷A12mNIN611424.62297.80A/cmDi118120電密J1I124.632(d11)2Nt2(d12)25.50A/mmaNt12(1.2)2(1.2)22222121熱負(fù)荷A1J1297.805.501638.30A/(cmmm2)122永磁體最大去磁工作點(diǎn):bmhn(1fadh,)10.3(10.4041)0.5432110.31n式中，關(guān)于徑向構(gòu)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、經(jīng)過(guò)活動(dòng)，使學(xué)生養(yǎng)成博學(xué)多才的好習(xí)慣。比率剖析法和比較剖析法不可以測(cè)算出各要素的影響程度。采納約當(dāng)產(chǎn)量比率法，分派原資料花費(fèi)與分派加工花費(fèi)所用的竣工率都是一致的。C采納直接分派法分派協(xié)助生產(chǎn)花費(fèi)時(shí)，應(yīng)試慮各協(xié)助生產(chǎn)車(chē)間之間互相供給產(chǎn)品或勞務(wù)的狀況。錯(cuò)產(chǎn)品的實(shí)質(zhì)生產(chǎn)成本包含廢品損失和歇工損失。C成本報(bào)表是對(duì)外報(bào)告的會(huì)計(jì)報(bào)表。C成本剖析的首要程序是發(fā)現(xiàn)問(wèn)題、剖析原由。C成本會(huì)計(jì)的對(duì)象是指成本核算。C成本計(jì)算的協(xié)助方法一般應(yīng)與基本方法聯(lián)合使用而不獨(dú)自使用。C成本計(jì)算方法中的最基本的方法是分步法。XD當(dāng)車(chē)間生產(chǎn)多種產(chǎn)品時(shí)，“廢品損失”、“歇工損失”的借方余額，月底均直接記入該產(chǎn)品的產(chǎn)品成本中。定額法是為了簡(jiǎn)化成本計(jì)算而采納的一種成本計(jì)算方法。F“廢品損失”賬戶月底沒(méi)有余額。廢品損失是指在生產(chǎn)過(guò)程中發(fā)現(xiàn)和入庫(kù)后發(fā)現(xiàn)的不行修復(fù)廢品的生產(chǎn)成本和可修復(fù)廢品的修復(fù)花費(fèi)。F分步法的一個(gè)重要特色是各步驟之間要進(jìn)行成本結(jié)轉(zhuǎn)。()G各月底在產(chǎn)品