电机学课件(东南大学)

TheTheoryofElectricalMachineTel:83794169-5(O)Email:[e-mail]96…„„„„19„…„„„„„„…/…„„„„„„…„„mW~MW„„„…„„„…„„1„1821„1831…„2„18451867„18701873„1882…„3„1876„1884„4„1885„18891897…„„„„19005MVA„192025MVA/3000rpm6MVA/1000rpm…„1937100MVA/150MVA/3000rpm/„1956208MVA/„19601000MVA„„…„„(CAD)„„„„…„„„„…„60„…„„„W,KW,MW„„„——1PP12=/…„„„„„„…„„„„„„„…„„„„„„„……„„„„BILF=…„„„B„Bi…„„„„…„„„„∫∫=θ=φssBdsdsBcosθnBSθ=φcosBS…„„„„„SB/φ=2bmWT/=…„„„µ„HBµ=mH1047o/−×π=µHmA/…„„„„„„0µ=µ0µµrµ0rµµ=µ53r1010~=µ…„„:„„„„∑∫=INdlHldlHul∫=∑IN∑∑=INUiIN4U2U1U3Uφ…„„„„Ω=ΛΛ/1:)H()S/(l:)H(1µ=ΩΩ−φ=Ω/U…„„…„„„„0=φ+φ+φ321φ1φ2φ3„F(A)φ(Wb)=l/(µS)=1/F=φ∑φ=0∑u=∑IN∑Hdl=INB=φ/Sµ=B/HE(V)I(A)R=ρl/SG=1/RU=IR∑I=0∑U=∑IR∑Edl=Uj=I/Sσ=j/E…„BH„BH„BH„HB…„HA/m)B(T)…„„„rBcHcH„HBOHmBmBrHc-Hm-Bm……„„„„B(…„„„„:„„∫=ωωHdBmm∫=ω=HdBVVWWmmmBH21m=ω)/()/(0r22m2B2BWµµ=µ=…„„„„2NIINNIFNINILΛ=Λ=Λ=φ=/ψ=///φ+φ=ψNNxxxNxφφNIUφNIU…2U2I1N2N12φ2σφ1U1I1N2N21φ1σφ21212222112121212122112111122221NNIINNNMNNIINNNMΛ=Λ=Ιφ=Ιψ=Λ=Λ=Ιφ=Ιψ=121121…2U2I1N2N12φ2σφ1U1I1N2N21φ1σφ21222222LLΙψ−ψ=Ιψ=Ιψ−ψ=Ιψ=σσ1211111σ1σ…„„„„„dtde/ψ−=dtNde/φ−=…„„xφφei…„„„:RBBV…„„„„BliFe=BlirT=eFeBiReFBliFBlvieiFv====Fv…„„⊗⊗⊗⊗BvfiReF…„⊗⊗⊗⊗EiBvFef…„„„…„„…„…„„20oc17.2410-9.m„20oc28.210-9.m„…„„„„0.35,0.5,1mm0.2,0.15,0.1mm…„O(90)A(105)B(120)E(130)F(155)H(180)C(180)„„„„„…„1833…„„,„„„„„…„„50„„…„„50D.C.WhiteH.H.Woodson„60…„„„„…„„++„…„„„…„„„…1-4,1-5,1-6,1-7