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

2 Answers
4869 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

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.

Is This Answer Correct ?

3 Yes

0 No

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

Is This Answer Correct ?

1 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

what is creep of energy meter?

2 Answers HNG,

what is the material use in bus bar & why.

3 Answers

Working of furnace in detail...?

0 Answers

what is real time system type definition

1 Answers

what is the use of neutral displacement relay

1 Answers OCL,

which types of relay used in acb and vcb?

0 Answers IBM,

In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers

While performing load test on DC SERIES MOTOR, does the voltage decrease slightly. Why?

2 Answers

why to use freewheeling diode ( diode in revers bias mode) across dc coil

2 Answers

Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

0 Answers

What is electrical cable termination

0 Answers Gulf,

Why syn. Generators are used for the production of electricity?

0 Answers

For more Electrical Engineering Interview Questions Click Here