#windings — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #windings, aggregated by home.social.
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How does it #sense the #speed the motor is turning at? The motor only has 3 terminals, and those go to the points between the three motor #windings. There isn't another #signal coming out of the motor to tell the #controller how fast it's actually turning.
Except...
Apparently, while driving those three motor windings, it is #simultaneously sensing the back-#EMF that the windings (which are essentially #electromagnetic #coils) produce from those same terminals.
12/x
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Turn a Ceiling Fan Into a Wind Turbine… Almost - It’s not uncommon to drive around the neighborhood on trash day and see one or two ceiling fans ha... more: https://hackaday.com/2019/06/30/turn-a-ceiling-fan-into-a-wind-turbine-almost/ #inductionmotor #windturbine #ceilingfan #homehacks #generator #windings #magnet #motor #coil
