31 pages matching airgap flux in this book
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3-phase winding airgap flux Alan Williamson angular armature Belt leakage cage rotor calculated coil coil coil pitch coil-sides conductor constant copper loss core current density d-axis d-axis magnetising depth eddy currents Electrical Machines electromagnetic end-ring equation equivalent circuit field current flux barriers flux density flux distribution flux linkage flux per pole fundamental component fundamental flux fundamental mmf give given harmonic Hence increases induction motor interspersed windings leakage flux leakage inductance leakage reactance machine design magnetic circuit magnetic saturation magnetising current magnetising mmf magnetising reactance magnetomotive force mmf required mutual inductance number of turns open-circuit output parameters per-unit permeance phase belt pole-pair pole-pitch produced q-axis ratio resistance rotor windings salient-pole Section self-inductance short-circuit shown in Fig skew skin effect slot pitch stator and rotor stator current stator mmf stator phase stator winding sub-transient synchronous machines three-phase tooth torque transient voltage Wieseman Winding Factors