Why transformer making noise during the operation?

Question Posted / mistu ghosh

2 Answers
5783 Views
TCS, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Why transformer making noise during the operation?..

Answer / sneha

DUE TO VARIATIONS IN VOLTAGES,VARYING MAGNETIC FIELD IS
PRODUCED & THIS VARYING MAGNETIC FIELD CHANGES DIMENSION OF
FERROMAGNETIC ELEMENT USED AS A TRANSFORMER ELEMENT & IT
APPEARS AS A VIBRASIONS.THIS VIBRATIONS ARE SOURCE OF THE
NOISE.

Is This Answer Correct ?

8 Yes

1 No

Why transformer making noise during the operation?..

Answer / sheikh

Commonly new and quality wise transformer not producing too noise but due to magnetizing + mutual induction transformer creating some noise . old transformer which is cores becoming loose may producing heavier noise.

Is This Answer Correct ?

1 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

why field winding in synchronous machine connecting in star position?

1 Answers HCL,

What is the difference between voltage and emf ?

3 Answers DRDO,

what's mean by Transient stability analysis?

1 Answers

We operate a 10 Mw facility and we have been experiencing several trips due to fluctuations on the MVAR? We have checked all issues related to the AVR and we have found all OK? Can anyone help us? The grid voltage, internal voltage, all regular parameters look ok. MVAR fluctuate and there it goes the unit? What could be happening? Thanks!

5 Answers

WHAT IS LINE TRAP,HOW IS IT FUNCTION?

1 Answers L&T,

in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

1 Answers KPCL,

I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

0 Answers

What is Chatoliq Protection ?

1 Answers Chemanol,

What information we need to prepare relay coordination chart

0 Answers

If R and Y terminals are short circuited,then power will cut. we all know that power cannot be stored.what will happen to already generated power at power station?

3 Answers

WHAT IS B & C CLASS SURGE PROTECTION AND WHAT IS DIFFERENCE BETWEEN B & c CLASS SP

2 Answers Bharti,

In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

2 Answers Ford,

For more Electrical Engineering Interview Questions Click Here