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
5770 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

how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

0 Answers

how to calculate power factor rating according to load? please give the answer in simple language, i'm not electrical side

2 Answers

Residual voltage & residual current used in which protection?

5 Answers Qatar Gas, Reliance, Transformers and Electricals,

Define the three phase formula fuse.

0 Answers ABC, Gayatri, UPCL,

What is the difference b/w RMU & substation

1 Answers

WHAT IS THE SPECIFICATIONS CONSIDERED DURING DESIGN FOR THE OVER CURRENT RELAY?

3 Answers

what r the checklist while installing 500 kva transformer

0 Answers Pepsi,

what is swirl induction in i.c engine????????

1 Answers Ashok Leyland,

What is difference between wire and cable ?

3 Answers Havells,

what r the advantage of selecting micro controller type tripping of circuit breaker than relay type tripping?

5 Answers BARC,

What is the difference between rated and per unit in transformer?

0 Answers

what will happen when a bulb s connected btwn two phases of a three phase delta connected source?

6 Answers

For more Electrical Engineering Interview Questions Click Here