In article ,
The Natural Philosopher wrote:
The commutator is to ensure the field
in the rotor is aligned wrt the stator to provide continuous torque.
Not sure where you get 3 phase from.

Each winding gets an AC signal.

No - it gets switched polarity DC. A different thing entirely.

Each winding is switched at 120 degrees
phase to the next one: If I told you that and told you nothing else,
you would say 'ah, a 3 phase AC motor!!'

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*Two many clicks spoil the browse *

Dave Plowman London SW
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