Alternator: Voltage generation
The elementary 3-phase salient 2-pole synchronous generator has a stator
equipped with 3 coils displaced 120° from each other; although shown as
concentrated, they actually are distributed.When the rotor is excited with dc
and rotated, the resultant field will also rotate so that sinusoidal voltages
are generated in the 3 stator phases, displaced 120° in time and having a
frequency directly related to rotor speed.
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©
M.
Riaz
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