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What is Armature Reaction in DC Generators about?

Armature reaction occurs in a DC generator where the magnetic flux produced by the current in the armature windings interacts with and weakens the main magnetic flux produced by the field poles. This decreased the overall effective magnetic flux and generated emf in the generator. It also causes issues with commutation by shifting the neutral axis. Methods to reduce armature reaction include using commutating poles and compensating windings to counteract the magnetic flux of the armature current.

Author

Mukesh Dhale

Language

EN