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Article | REF: D3556 V1

DC machines - Construction

Author: François BERNOT

Publication date: May 10, 1999, Review date: July 9, 2020

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3. Construction of inductors for various machine types

We have seen 1 that an inductor can be wound or made with permanent magnets. Let's take a look at the calculation of the induction in air corresponding to these two techniques, after recalling the main concepts concerning magnets.

3.1 Characteristics of permanent magnets

Permanent magnets have evolved from the long bar of martensitic steel to the modern rare-earth magnet, which...

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Construction of inductors for various machine types
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