Answer / dev prasad

CORONA IZ NOTHING BUT A VIOLET SPARKING LIGHT WID A
WHISPERING NOISE OCCURED IN OVERHEAD TRANSMISSION LINE DUE
TO MOISTURISATION..

Answer / nirmala

corona is a phenomena which occurs in over head transmission lines due to ionization of air around the conductor which results in hissing noise and faint blue glow around the conductor

Answer / shubham

corona is a loss which is occur in transmission line conductor at the rainy season and that the moisture is in atmosphere so the nearer air of conductor gets ionised .
the charge is flow in minimum amount to the air.The hissing sound is create and around the conductor the air is get colour (voilet) change..

Answer / ashish saxena

The phenomenon of appearence of voilent luminous glow and
protection of hasing noise and ozone gas overhead on
transmission line is know as corona.

Answer / santoshkumar

the phenomenon of ozone gas release,hissing sound,violet glow occur arond the conductor is known as corona

in 33kv/11kv stepdown t/f why should we use Star point

2 Answers  

whytransformers rating in KVA?

3 Answers   Chettinad,

What current flows in the transformer primary when its secondary is open?

0 Answers  

DOES AN EARTH FAULT CURRENT ON THE DELTA SIDE OF A 6.6/33KV STEP UP STAR-DELTA CONNECTED TRANSFORMER REFLECT ON THE STAR SIDE? IF YES, THEN HOW AND WHAT IS THE AMOUNT OF CURRENT REFLECTED?

1 Answers  

Which type of motor is used in trains, what is the rating of supply used explain working principal?

0 Answers  

why do we use bundle conductors instead of using single conductor of larger size for high voltage transmission?

7 Answers  

What is transmission line potential gradiant?

1 Answers  

how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

do we use neutral grounding for resistive balanced load? if we use what happen?

0 Answers   NFC,

if the power factor is .88 i want to increase the power factor to .99 what number of capacitor is to add?

3 Answers   Amway,

what are different types of alternator and discuss about the methods of cooling

16 Answers   Bhel, Jindal, L&T, Nalco, Vedanta,

what is the difference between the electrical and electroncis

15 Answers   TCS,