WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?

Answer Posted / vikrant

corona is basically due to the ionisation of air near the
conductor, whose diameter is very small as compared to the
distance between the conductors.hence air near the
conductor ionises and ozone gas is evolved and it produces
a hissing sound. corona efect can be seen clearly during
night.

Is This Answer Correct ?    6 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Differentiate between ideal and non-ideal voltage sources?

665


can indirect loading be called as phantom loading?

1553


what is the differences between microprocessor and general purpose computer

1637


IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

1852


What is Servo Ventilated Motor?

1596






is IS says that neutral should be brought to switch box. and this one is a recomended practice

1423


What is difference between YNyn0 and YNyn ??

1800


how to generator maintenance (A Check, B check,Etc)

1764


why co incidence factor considered in transformer sizing?

1415


xfhnchncv?

1405


If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

1338


What are the limitations of Kirchoff's laws?

1116


What is the limitation of kirchoffs law?

644


Whether the vacuum contactor requires Short circuit protection?If No,why?

1578


how to calculate magnetic force genrated by a coil ?

1723