Answer Posted / 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
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
what are the protecyion of transformer & generators
If rotor works in clock wise what happens
what is (+) and (-) in generator field detector stand for?
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?
Operation carried out in thermal power stations?
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
working of diesel generator ?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
how does high earth to neutral voltage affect electronic equipment?
What is the current carrying capacity of 35sq.mm flexible cable?
Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.
What are the different power system losses and how can it be eliminated?
how to determine motor size for a fan application?
what is EIB lighting control system? what is the advantages of this system?