hello! can anyone explain to me how a 3 speeds table fan work? what are the fac

hello! can anyone explain to me how a 3 speeds table fan
work? what are the factors that are controlling the speed of
a normal table fan? Is it by varying the voltage or changing
the magnetic field? would appreciate your reply :) thx in
advance.

Question Posted / frozentear

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hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are contro..

Answer / k.prakashchandra

By varying the voltage .The speed controller connects
resistance in series with the supply and hence the voltage
to the motor is reduced.This type speed control goes well
with the fan as the load on the motor varies with the speed
automatically.

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hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are contro..

Answer / bala

its not by changing the voltage are flux, its by changing
frequency we can vary the speed

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1 No

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