EE213 - 20a - Armature Reaction, Neutral plane shift, Flux weakening
Автор: MAFarooqi
Загружено: 2021-04-07
Просмотров: 6504
Описание:
Due to current in the coils of rotor, a magnetic field is produced around the coils in the rotor. This magnetic field interact with the magnetic field of main poles in the machine, and therefore, creates a distortion in the distribution of the magnetic field in the machine. This is called armature reaction. This lecture discusses the phenomenon of armature reaction in DC machines.
Course title: Electrical Machines
Course Link: • EE213 - 1a - Magnets, lines of flux, toroi...
Armature reaction is one of the problems which are associated with commutation in DC machines. Armature reaction results into two effects, that is, neutral plane shift and flux weakening.
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