bk<0.8τ(1-αδ)厘米2.025698908七最大去磁校核113不同工作时的最大瞬时电流A98.32031508突然起动时A98.32031508瞬时堵转时A80.5904222114直轴电枢磁动势A0A11.55556757AmaxA/cm577.7783785115交轴电枢磁动势A1628.184418116换向元件电枢磁动势A117电枢总去磁磁动势A3279.479971118最大去磁时永磁体工作点bmh0.316527624hmh0.683472376电枢去磁磁动势标幺值0.610022316119可逆退磁校核大于bk=0.2八工作特性120电枢绕组铜耗W57.56329193121电刷接触电阻损耗W15.6122电枢铁损耗PFe=pFe(Bj22Gj2+Bt22Gt2)(f/50)1.3W6.928002024pFe—单位损耗,根据冲片材料及工作频率查出W/Kg6.3电枢齿质量Gt2=7.8KFelt2π/4{[De22-(Dxj2-dx2)2]-ZSS}10-3Kg0.254442814电枢轭质量Gj2=7.8KFelt2*π/4[(Dxj2-dx2)2-Di22]*10-3Kg0.123831628k1.5123电刷对换向器的摩擦损耗W2.762637993124轴承摩擦和电枢对空气摩擦损耗W6.18125总机械损耗W8.942637993126总损耗W89.03393195127输入功率W243.533932128效率%63.44085145129电流校核A18.733379383.93138779130实际感应电动势V9.364089451131满载实际转速r/min3373.85036132起动电流A80.5904222133起动电流倍数4.132842164134起动转矩N.m2.1862135起动转矩倍数4.9641Tn0.440394179
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