WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?

Categories >> Engineering >> Electrical Engineering
Suggest New Category

Question Posted / sanjeev1563

26 Answers
29808 Views
GE, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?..

Answer / srirama

due to airgap between the lines

Is This Answer Correct ?

1 Yes

3 No

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?..

Answer / raja

in practicaly if the pin insulator losses its insulation
also it will happen
loose conection between two pin insulator also it happens
and due corona effect also it happens

Is This Answer Correct ?

1 Yes

5 No

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?..

Answer / sunil.dutta

all answers are wrong. Please understand question carefully.

Humming noise in tr. lines is due to charging and
discharging of lines under very high voltage.

Is This Answer Correct ?

0 Yes

4 No

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?..

Answer / sudharsan

Due to the production of faint yellowish gas around the
conductor ...(due to ionisation of gas ) called corona.

Is This Answer Correct ?

3 Yes

8 No

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?..

Answer / guest

because of hysteresis losses