电机及其传动系统 原理、控制、建模和仿真课件：Principles of Alternating Current Machines

PrinciplesofAlternatingCurrentMachinesArrangementofwindingsinacmachinesConcentratedwindingShortpitchedwindingDistributedwindingSinusoidallydistributedwindingConcentratedwinding(1)Concentratedwinding(2)Concentratedwinding(3)Short-pitchedwinding(1)Short-pitchedwinding(2)Distributedwinding(1)Distributedwinding(2)Sinusoidallydistributedwinding(1)Sinusoidallydistributedwinding(2)DensityofturnsTotalnumberofturnsMMFExample(1)Poly-phasewindings(1)Three-phaseconcentratedwindingPoly-phasewindings(2)Three-phasesinusoidallydistributedwinding(1)Poly-phasewindings(3)Three-phasesinusoidallydistributedwinding(2)Poly-phasewindings(4)Three-phasesinusoidallydistributedwinding(3)wet=0wet=p/6wet=2p/3wet=pMulti-polemachines(1)ConversionfrommechanicaltoelectricalanglesMulti-polemachines(2)Rotatingfieldofamulti-polemachine(1)SynchronousspeedExample(1) phase‘a’windingofafour-pole,three-phasemachinewithdoublelayerwindingand24slotsExample(2)phase‘a’windingofatwo-pole,three-phasemachinewith12slotsand5/6pitchWindinginductances(1)Selfandmutualinductancesofasimpleround-rotormachine(1)Windinginductances(2)Selfandmutualinductancesofasimpleround-rotormachine(2)Windinginductances(3)Selfandmutualinductancesofasimpleround-rotormachine(3)Windinginductances(4)Selfandmutualinductancesofasalientpolemachine(1)Windinginductances(5)Selfandmutualinductancesofasalientpolemachine(2)Example(1)EquivalentsinusoidalwindingsExample(2)