Let us consider first a sinusoidal airgap flux density in the airgap, at no load (zero rotor currents). Making use of Ampere’s law we get, for airgap flux amplitude, Bg1 ≈ 0gK K1c phases ; Ks >1 where F1 is the phase mmf/pole amplitude, (5.114) ( )F1 phase = 2W I1 0 πp21K Kq1 y1 […]
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