why there is a humming noise in transformer

Answer Posted / anil

due to magnetostriction and presence of harmonic components also

Is This Answer Correct ?    11 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

1752


What is the difference between a verilog task and verilog function?

633


Why the field rheostat is adjusted such that the voltmeter reads 380V

1828


Explain the working of variable frequency transformer?

660


11 kv input, 66 kv input advantages

941






why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2367


How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

1875


Which is the largest hydropower station in the world?

624


what are the sample questions asking to the test cunducting for electrical superwising lisence test?

1668


Why hydropower is called renewable source of energy?

616


Classify milling machines.

658


Why the standard of ambient teperature mentioned as 40 degree celcius in machines.

1457


What is the application of Dyn1 and Dyn11 vector group of transformer?

2437


How test for Ddo vector group test condition?

1971


What is the meaning of loop in transformer

1203