额定功率PN=75额定电压UN=400额定转速nN=1500额定频率f=50额定功率因数cosθ=0.8额定相数m=3额定电流IN=135.3204388

极对数P=2定子外径D1=36.92定子内径Di1=26极距τ=20.4204

圆周速度v=20.4204定子铁芯总长度Lt=24通风道数nK=0通风道宽度bK=0定子叠压系数Kfet=0.96定子铁芯净长度Lfet=23.04磁极铁芯总长度lm=24磁极铁芯净长度lfem=22.8

给定区定子计算区铁芯计算长度li24.2

最小气隙δ=0.1

最大气隙δm=0.15

（20）每极每相槽数q=4定子槽数Z1=48绕组节距y1=11绕组节距比β=0.916666667绕组短距系数Kp=0.991439318绕组分部系数Kd=0.957662001绕组系数Kdp=0.949463761取并联支路数a=2（27）每槽导体数Ns=11每相串联导体数N=88导体直径dc=1.6漆包线最大外径d=1.67并联导体根数Nt4定子导线截面积qa=2.010624(32)定子绕组电密Ja=8.412838427

bso=0.35

定子绕组定子槽尺寸（本算例使用梨型槽）bs1=0.9Rs=0.51hs0=0.1hs1=0.15hs2=1.5h=0.2槽面积As=1.80056508槽绝缘占面积Ai=0.20466648槽满率Sf=0.768918527线负荷A=437.3640556发热参数Aj=3679.473134

（39）定子齿距ts=1.7017ts1=1.734425ts2=1.930775ts1/3=1.778058333(40)定子齿宽度bt1=0.834425bt2=0.910775定子齿计算宽度bts=0.859875定子槽深hs=2.26定子齿计算高度hts‘=1.82

磁路计算定子轭高度hjs=3.2定子轭计算高度hjs’=3.37定子轭磁路长度ljs=13.175085极弧系数αp’=0.7（47）极靴宽度bp=13.42824128磁极偏心距H=0.33121825极靴圆弧半径Rp=12.56878175极靴边缘高度hp'=0.25(51)极靴中心高度hp=2.19358252初取漏磁系数ζ‘=1.048970637磁极宽度bm=7.668255488转子轭内径Dir=9转子轭外径Djr=14磁极中心高度hm=3.70641748磁极侧高度hm‘=3.768404852转子轭高度hjr=2.5(59)转子轭计算高度hjr‘=4转子轭磁路长度ljr=3.927转子轭轴向长度lr=24.3磁极与轭间的残隙δ2=0.0088实际极弧系数=αp=0.693730948气隙比δm/δ=1.5最小气隙比极距δ/τ=0.004897064

(66)基波磁场幅度系数α1=1.1151三次谐波磁场幅度系数α3=0.00646758磁场分部系数fd=0.711265508磁场波形系数fb=1.108747511直轴电枢反应磁场幅度系数Ad1=0.8532交轴电枢反应磁场幅度系数Aq1=0.33884电枢磁动势直轴折算系数Kad=0.765133172电枢磁动势交轴折算系数Kaq=0.303865124(74)定子卡氏系数Kδ1=1.113452078阻尼笼卡氏系数Kδ2=1.030852295卡氏系数Kδ=1.147804629（77）空载每极总磁通θ=0.025001113斜槽系数Ksk=0.997146644气隙磁密最大值Bδ=0.711292106定子视在磁密Bts‘=1.478524606定子轭磁密Bjs=1.609967011(82)气隙磁压降Fδ=653.1394979定子齿磁压降Fts=10.738定子轭磁压降Fjs=82.2125304气隙，定子齿，轭磁压降之和Fδtj=746.0900283（86）计算漏磁几何尺寸Υ1=0.409973094Υ2=0.554905146am=3.100659528ap=3.206420626hpm=1.54572168（87）磁极压板厚d‘=0.6磁极压板宽b’=8.2磁极计算长度lm‘=25.2极靴漏磁导Λp=6.89576E-07极身漏磁导Λm=8.91309E-07磁极漏磁导Λ=1.58088E-06(93)每极漏磁通θζ=0.001179482漏磁系数ζ=1.047177195磁极磁通θm=0.026180596磁极极身截面积Sm=184.6762251（97）极身磁密Bm=1.417648411转子轭磁密Bjr=1.346738462残隙处磁密Bζ2=1.422563654极身磁压降Fm=58.56139619转子轭磁压降Fjr=67.5444残隙磁压降Fζ2=100.1484812空载每极磁压降Ffo=972.3443057

(104)定子线圈尺寸αc=0.685397076ηy=20.5257745lF=13.25667083lE=8.391213665lB30(105)线圈半匝平均长度lca=56.51334166定子绕组相电阻（75。）Ra=0.067058269定子槽比漏磁导λs=0.818063393(108)定子绕组端部比漏磁导λe=0.42303719谐波比漏磁导λh=0.278439327每相漏抗Xs=0.151903189漏抗标幺值Xs*=0.089008386相电阻标幺值Ra*=0.039291955（113）每极电枢反应磁动势Fa=3815.911027电枢反应直轴折算磁动势Fad=2919.680108电枢反应交轴折算磁动势Faq=1159.522278直轴电枢反应电抗标幺值Xad*=3.875914907交轴电枢反应电抗标幺值Xaq*=1.539281537直轴同步电抗标幺值Xd*=3.964923293交轴同步电抗标幺值Xq*=1.628289922（120）短路比Kc=0.33303111内功率因数角ψ=68.73830376额定功角θ=31.86840611

稳态参数计算5.额定负载时励磁磁动势和励磁绕组（123）额定负载时电动势标幺值Ei*=1.08588376其中W=1.084838595Q=0.047631536ε=2.514046155（124）额定工况磁路计算θN=0.027148303BδN=0.772380547BtsN’=1.605505859BtsN=1.605505859BjsN=1.748237032FδN=709.2335738FtsN=52.78FjsN276.676785FδtjN=1038.690359θδN=0.00164205ζN=1.060484437θmN=0.028790353BmN=1.55896368BjrN=1.480985224Bδ2N=1.564368888FjrN392.7FmN=111.1925244Fδ2N=110.1315697(125）额定负载时每极磁压降FEi=1817.985898额定负载时励磁磁动势FfN=4787.243375励磁绕组每极匝数Wf=150额定励磁电流IfN=31.91495584空载励磁电流Ifo=6.482295371（130）励磁绕组线规a*b=5.325励磁绕组导线截面积qf=9.11855881（132）第n层线圈平均匝长度lfn=91.5988Qm9.16Wm28rm0.5第n层线圈n=2lcf=71.98(134)Rf(75。)=1.016634338励磁绕组的电密jf=3.5额定励磁电压UfN=43.44247714空载励磁电压Ufo=6.946167169

（138）每极阻尼条数nd=5每极定子绕组截面积Sa=1061.609472每根阻尼条截面积Sd≥42.46437888阻尼条直径dy=0.736361089dd=0.809997198(142)阻尼条节距td=3.039066562阻尼齿的最大磁密Bd=0.1557657077损耗与效率

（145）定子齿钢片重Gt=22.91471088定子轭钢片重Gjs=63.01537333材料单位损耗P10/50=1.8齿部单位损耗pt=4.639768314轭部单位损耗pjs=5.501398895定子铁损耗PFe=732.6469567(151)磁极单位表面损耗pbm=474.4318814

6阻尼绕组设计B0=0.223346988β0=0.251930531磁极表面损耗PFeb=64.5208994定子绕组铜损耗pcu1=3683.83686励磁损耗pcuf=1198.47332机械损耗Pmec=478.510596附加损耗Pda=1125总损耗ΣP=7282.98864效率η=0.91148853 8瞬态参数和时间常数

（159）励磁绕组漏抗标幺值Xfs*=0.28079421励磁绕组比漏磁导λfs=2.75169438励磁绕组电抗标幺值Xf*=4.15670912阻尼绕组直轴电抗标幺值Xds*=0.43883449λds=7.5195078阻尼绕组横轴电抗标幺值Xqs*=0.87766899直轴瞬态电抗标幺值Xd*’=0.35083437

（164）交轴瞬态电抗标幺值Xq*‘=1.62828992直轴超瞬态电抗标幺值Xd*’‘=0.25299405交轴超瞬态电抗标幺值Xq*’‘=0.6479688（167）励磁绕组电阻标幺值Rf*=0.004138励磁绕组时间常数Td0=3.19748665瞬变电流时间常数Td’=0.36780445超瞬变电流时间常数Td‘’=0.04597556负序电抗X2*=0.40488548(172)直流分量时间常数Ta=0.03280029