why do transformer make a sound

Question Posted / guest

4 Answers
6681 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

why do transformer make a sound..

Answer / koti

Due to magnetostriction(vibration or movement of laminations by alternating wave)

Is This Answer Correct ?

19 Yes

0 No

why do transformer make a sound..

Answer / vinoth a.r

when transformer get magnetized,the magnetized core get
expanding and contraction.in one power cycle two times get
expand and two time get contraction.only little dimension.
this effect called electrostriction.

Is This Answer Correct ?

2 Yes

1 No

why do transformer make a sound..

Answer / sanjayjssate

it is due to magnetisation and demagnetisation of core according to friquency and voltage.

Is This Answer Correct ?

0 Yes

0 No

why do transformer make a sound..

Answer / sandeep singh vyas

when magnetic flux cuts due to this reason transformer creates a sound

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

How i can select current transformer and meters for the upgrading the panal..for 200kw to 600kw....i need to select monitoring and protection ct,s and apmpire meter ,kw meter too.

1 Answers

What happens if fuse is connected to neutral wire

9 Answers HAL,

What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

0 Answers

why transformer does not obey ohms low?

3 Answers AITM,

Why DC excitation is used for alternators? Why cant it be AC?

35 Answers ABB, Ace Info, Alstom, Shalivahana Power,

Why TAP changer provided in primary side of HT transformer ? and why not in secondary?

9 Answers ABB, Reliance,

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1 Answers

What's difference between a400amps lt contactor and a400amps lt circuit breaker

3 Answers Indian Railways,

refrigeration cycle?

1 Answers MAHINDRA, Shapoorji Pallonji Group(SPCL),

Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

0 Answers

What are the types of power in electrical power?

0 Answers

How to take of Transformer oil Break down voltage test?

2 Answers

For more Electrical Engineering Interview Questions Click Here