Construction Aspects and Operation Principles

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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This chapter introduces the main parts of induction machines (IMs) and the principles of electromagnetic induction (Faraday law) in producing electromagnetic force (torque) on the rotor (mover) made of a cage or two- or three-phase A.C. winding (coil) placed in a slotted laminated silicon iron core. The principles explained this way apply to both linear motion and rotary electric machines (where the torque concept replaces the tangential force concept). The recent premium IMs with permanent magnet (PM) and magnetic saliency added beneath the rotor cage are also referred to.

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