Article | REF: D3490 V1

Asynchronous motors - Choice and related issues

Author: Maxime DESSOUDE

Publication date: June 10, 1996

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1. Features

1.1 General

The asynchronous motor, frequently referred to as an induction motor, comprises :

  • a polyphase field winding, distributed over a cylindrical armature and traversed by a system of polyphase currents which generate a rotating field;

  • a second multiphase winding, coaxially positioned so that it is swept by the rotating field, which induces a second system of multiphase currents.

  • The action of the rotating field in the field on the induced currents (which in turn create a secondary rotating field with the same angular velocity as the field in the field) produces an electromagnetic torque whose mean value is not, as a rule, zero.

    ...
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