armature reaction

American  

noun

Electricity.

1. a change in the magnetic field of a dynamo caused by the magnetic field induced by the current flowing through the armature.

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Example Sentences

The position of neutrality varies with the type of the machine owing to the fact of armature reaction, which distorts the magnetic field.

From Chance in Chains A Story of Monte Carlo by Gull, Cyril Arthur Edward Ranger

This was first suggested by Lundell, the object being to prevent, as far as possible, the distortion of the magnetic field due to armature reaction especially on heavy overloads.

From Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications by Hawkins, Nehemiah