永磁電動(dòng)機(jī)計(jì)算公式大全(電磁計(jì)算程序)精講

永磁同步電動(dòng)機(jī)電磁計(jì)算程序,,,,

以下公式中π取值為3.14,,,,

序號(hào),名稱(chēng),公式,單位,算例

一,額定數(shù)據(jù),,,

1,額定功率,PN,kw,4.0000

2,相數(shù),m1,,3.0000

3,額定線(xiàn)電壓,UN1,V,360.0000

,額定相電壓,UN,V,207.8460969

4,額定頻率,?,Hz,26.5000

5,極對(duì)數(shù),p,,3.0000

6,額定效率,η1N,%,0.8960

7,額定功率因數(shù),cosφ1N,,1.0000

8,額定相電流,IN,A,7.159601552

9,額定轉(zhuǎn)速,nN,r/min,530

10,額定轉(zhuǎn)矩,TN,N.m,72.0754717

11,絕緣等級(jí),B級(jí),,

12,繞組形式,雙層,,

二,主要尺寸,,,

13,鐵芯材料,50W470硅鋼片,,

14,轉(zhuǎn)子磁路結(jié)構(gòu)形式,,,

15,氣隙長(zhǎng)度,δ,cm,0.05

16,定子外徑,D1,cm,23

17,定子內(nèi)徑,Di1,cm,14.8

18,轉(zhuǎn)子外徑,D2,cm,14.7

19,轉(zhuǎn)子內(nèi)徑,Di2,cm,4.8

20,定、轉(zhuǎn)子鐵心長(zhǎng)度,l1=l2,cm,19

21,鐵心計(jì)算長(zhǎng)度,la=l1,cm,19

,鐵心有效長(zhǎng)度,leff,cm,19.1

,鐵心疊壓系數(shù),Kfe,,0.95

,凈鐵心長(zhǎng),lFe,cm,18.05

22,定子槽數(shù),Q1,,36

23,定子每級(jí)槽數(shù),Qp1,,6

24,極距,τp,,7.745333333

25,定子槽形,,,

,梨形槽,bs0,cm,0.35

,,hs0,cm,0.08

,,bs1,cm,0.68

,,hs1,cm,0.09

,,hs2,cm,1.06

,,r,cm,0.44

26,每槽導(dǎo)體數(shù),Ns1,,32

27,并聯(lián)支路數(shù),a1,,1

28,每相繞組串聯(lián)導(dǎo)體數(shù),NΦ1,,384

29,繞組線(xiàn)規(guī),N11S11,mm2,1.539699259

,"根據(jù)N11S11=1.54mm2,線(xiàn)徑取d1/d1i=1.4mm/1.46mm,并繞根數(shù)N1=1",,,

30,槽滿(mǎn)率,,,

,（1）槽面積,ss,cm2,1.044952

,槽楔厚度,h,cm,0.2

,(2)槽絕緣占面積,si,cm2,0.157248

,,h1s,cm,1.15

,絕緣厚度,Ci,cm,0.03

,（3）槽有效面積,se,cm2,0.887704

,(4)槽滿(mǎn)率,sf,%,76.84002776

,,N1,,1

三,永磁體計(jì)算,,,

31,永磁材料類(lèi)型,銣鐵棚,,

32,永磁體結(jié)構(gòu),矩形,,

33,極弧系數(shù),ap,,0.82

34,主要計(jì)算弧長(zhǎng),b1p,cm,6.451173333

35,主要極弧系數(shù),a1p,,0.832911

36,永磁體Br溫度系數(shù),aBr,,-0.12

,永磁體剩余磁通密度,Br20,T,1.22

,溫度,t,℃,80

,t=80℃時(shí)剩余磁通密度,Br,T,1.13216

37,永磁體矯頑力,Hc20,KA/m,923

,永磁體Hc溫度系數(shù),aHc,,-0.12

,t=80℃時(shí)矯頑力,Hc,KA/m,856.544

38,永磁體相對(duì)回復(fù)磁導(dǎo)率,ur,,1.052370075

,,u0,H/m,1.26E-06

39,最高工作溫度下退磁曲線(xiàn)的拐點(diǎn),bk,,0

40,永磁體寬度,bm,cm,3.6

41,永磁體磁化方向厚度,hM,cm,1.2

42,永磁體軸向長(zhǎng)度,lM,cm,19

43,提供每級(jí)磁通的截面積,SM,cm2,136.8

四,磁路計(jì)算,,,

44,定子齒距,t1,cm,1.290888889

45,定子斜槽寬,bsk,cm,1.678155556

46,斜槽系數(shù),Ksk1,,0.980825713

47,節(jié)距,y,,5

48,繞組系數(shù),Kdp1,,0.932879761

,(1)分布系數(shù),Kd1,,0.965960169

,,α,°,30

,,q1,,2

,(2)短距系數(shù),Kp1,,0.96575386

,,β,,0.833333333

49,氣隙磁密波形系數(shù),Kf,,1.230040267

50,氣隙磁通波形系數(shù),KΦ,,0.940634879

51,氣隙系數(shù),Kδ,,1.244826717

52,空載漏磁系數(shù),σ0,,1.3

53,永磁體空載工作點(diǎn)假設(shè)值,b1m0,,0.87

54,空載主磁通,Φδ0,Wb,0.010365012

55,氣隙磁密,Bδ0,,0.841197022

56,氣隙磁壓降,,,

,,δ12,cm,0.02

,直軸磁路,Fδ,A,1101.610936

,交軸磁路,Fδq,,833.7137955

57,定子齒磁路計(jì)算長(zhǎng)度,h1t1,,1.296666667

58,定子齒寬,bt1,,0.640544444

59,定子齒磁密,Bt10,T,1.793880386

60,定子齒磁壓降,Ft1,A,233.4

,查第2章附錄圖2E-3得,Ht10,A/cm,90

61,定子軛計(jì)算高度,h1j1,cm,2.576666667

62,定子軛磁路計(jì)算長(zhǎng)度,l1j1,cm,5.344105556

63,定子軛磁密,Bj10,T,1.114305729

64,定子軛磁壓降,Fj1,cm,12.98083239

,查第2章附錄圖2C-4得,C1,,0.7

,查第2章附錄圖2E-3得,Hj10,A/cm,1.735

65,磁路齒飽和系數(shù),Kt,,1.211871535

66,每對(duì)極總磁壓降,ΣFad,A,1347.991769

,,ΣFaq,A,1080.094628

67,氣隙主磁導(dǎo),Λδ,H,7.68922E-06

68,磁導(dǎo)基值,Λb,H,1.50683E-06

69,主磁導(dǎo)標(biāo)幺值,λδ,,5.102929677

70,外磁路總磁導(dǎo),λ1,H,6.63380858

71,漏磁導(dǎo)標(biāo)幺值,λσ,,1.530878903

72,永磁體空載工作點(diǎn),bm0,,0.869003789

,,"與假設(shè)值誤差小于1%,不用重復(fù)計(jì)算",,

73,氣隙磁密基波幅值,Bδ1,T,1.034706209

74,空載反電動(dòng)勢(shì),E0,V,201.5294268

五,參數(shù)計(jì)算,,,

75,線(xiàn)圈平均半匝長(zhǎng),lz,,31.68291587

,,lB,cm,23

,,d,cm,2

,,τy,cm,7.256888889

,,sinα,,0.549085249

,,cosα,,0.835766349

,,Cs,,4.341457934

76,雙層線(xiàn)圈端部軸向投影長(zhǎng),fd,cm,2.383830511

77,定子直流電阻,R1,Ω,1.715893678

,,ρ,Ω.mm2/m,0.0217

,,S1,mm2,1.5386

,,d1,mm,1.4

78,漏抗系數(shù),Cx,,8.21E-01

79,定子槽比漏磁導(dǎo),λS1,,0.960865978

,查第2章附錄2A-3得,Ku1,,0.87

,,KL１,,0.905

,,λu1,,0.40332871

,,λL1,,0.674

80,定子槽漏抗,Xs1,,4.69E-01

81,定子諧波漏抗,Xd1,Ω,6.28E-01

,查第2章附錄2A-4得,ΣS,,0.0205

82,定子端部漏抗,Xe1,Ω,1.65E-01

83,定子斜槽漏抗,Xsk1,Ω,5.31E-01

84,定子漏抗,X1,Ω,1.63E+00

85,直軸電樞磁動(dòng)勢(shì)折算系數(shù),Kad,,0.812981515

86,交軸電樞磁動(dòng)勢(shì)折算系數(shù),Kaq,,0.325192606

,,Kq,,0.4

87,直軸電樞反應(yīng)電流,Xad,Ω,6.558622511

,,Ed,V,193.4528014

,,I1d,A,1.231451467

,,Fad,A,158.2920937

,,f1ad,,0.011846361

,,bmad,,0.858709257

,,Φδad,Wb,0.009949617

88,直軸同步電抗,Xd,Ω,8.19E+00

89,交軸磁化曲線(xiàn)（Xaq-Iq）計(jì)算,,,

,見(jiàn)P428頁(yè)表10-1Xaq-Iq曲線(xiàn),,,

六,工作性能計(jì)算,,,

90,轉(zhuǎn)矩角,θ,°,26.65

91,假定交軸電流,I1q,A,6.3

92,交軸電樞反應(yīng)電抗,Xaq,Ω,12.19

,,,,根據(jù)I1q查表10-1得

93,交軸同步電抗,Xq,Ω,1.38E+01

94,輸入功率,P1,kw,4.44E+00

,,SINθ,,0.448328451

,,SIN2θ,,0.801493714

,,COSθ,,0.893868894

95,直軸電流,Id,A,3.25E+00

96,交軸電流,Iq,A,6.34E+00

97,功率因數(shù),cosφ,°,0.999959394

,,ψ,°,2.72E+01

,,φ,°,-5.17E-01

98,定子電流,I1,A,7.124891206

99,負(fù)載氣隙磁通,Φδ,Wb,0.010084516

,,Eδ,V,196.0756768

100,負(fù)載氣隙磁密,Bδ,T,0.818432713

101,負(fù)載定子齒磁密,Bt1,T,1.745334746

102,負(fù)載轉(zhuǎn)子磁密,Bj2,T,1.084150606

103,銅耗,Pcu1,W,261.3172646

104,鉄耗,,,

,（1）定子軛重量,Gj1,kg,23.26410353

,（2）定子齒重量,Gt1,kg,4.209707539

,(3)單位鐵耗,,,

,查第2章附錄2E-4得,pt1,w/kg,6.2

,,pj1,w/kg,2.17

,(4)定子齒損耗,Pt1,W,26.10018674

,(5)定子軛損耗,Pj1,W,50.48310465

,(6)總損耗,PFe,W,166.2166762

,,k1,,2.5

,,k2,,2

105,雜耗,Ps,,19.80654674

,,PsN,kw,0.02

106,機(jī)械損耗,Pfw,w,27.9841

107,總損耗,ΣP,kw,0.475324588

108,輸出功率,P2,kw,3.97E+00

109,效率,η,%,8.93E+01

110,工作特性見(jiàn)P430表10-2,,,

111,失步轉(zhuǎn)矩倍數(shù),KM,,0.185361257

,,Tmax,,13.36

112