The Magnetisation Curve and Inductance

Authored by: Ion Boldea

Induction Machines Handbook

Print publication date:  June  2020
Online publication date:  May  2020

Print ISBN: 9780367466121
eBook ISBN: 9781003033417
Adobe ISBN:


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The magnetisation curve (magnetisation fundamental airgap) flux linkage Ψm1 versus stator fundamental phase current im10 (with zero rotor current and/or the magnetisation inductance Lmm1/im10) are crucial to induction machine (IM) performance and are calculated first analytically by a simplified and then by analytical iterative model (AIM) accounting for both magnetic saturation and the slotting influences, with results proved experimentally. The magnetic saturation airgap, teeth, and back-iron flux density harmonics are illustrated as a basis to calculate iron losses in a later chapter.

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