dinesh kumar


{ City } new delhi
< Country > india
* Profession * project engineer
User No # 70849
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Questions / { dinesh kumar }
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What is the advantage and disadvantage of dry type transformer?

Bhel,

5 Electrical Engineering 18061



Answers / { dinesh kumar }

Question { 5799 }

how it can be decided what will be the rating of CT and PT
to be used in LT or HT cables?


Answer

I decid CT rating acording current and PT acording Voltage.
if current flowing in cable apox 300 amp and my ammeter
rating is 5 amp. than we will use CT rating of 60/1. similr
PT. But we mind that current of cable could be increse any
time thn 60/1 CT will be fail.

Is This Answer Correct ?    0 Yes 0 No

Question { Bhel, 5354 }

what is is the potential diffrence between two phase ?


Answer

Not only 415,
11 KV, 33 KV, 66 KV etc also

Is This Answer Correct ?    7 Yes 1 No