why insulation cost is more in underground cable than in
overhead line?
Answer Posted / sk.azhar.m
An underground line is fill in the earth and when if the leakage current will flo in the erth the current rating will very high in the cable that is very dangerous for human and other and in the the overhead line the air is not good conductor of electricity while an underground line is more insulation than overhead line for this reason the insulation cost is more in underground system
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
why do we carry out winding resistance test?
Why is better to have a minimum ceiling voltage of 250% than 160%?
If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?
What is the type of earth fault protection used in battery? explain.
What is s-domain and its significance?
What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?
sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason
does any one know where we can purchase insulation oil for high voltage oil filled cables
what is a bus post insulator? explain its application in a substation.
aternator every parts and its working
PIU how does work?
What current position are you holding in your current company?
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
what is kondo syatem in eletrical traction
Explain the operation principle, advantages and disadvantages of the following converters: a) A 12 pulse converter b) A Switch-mode inverter c) A thyristor inverter