What is the major difference between P.T. & C.V.T ? Why CVT is used in HT

What is the major difference between P.T. & C.V.T ? Why CVT
is used in HT Transmission line in place of P.T.?

Question Posted / k.p.sharma

13 Answers
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What is the major difference between P.T. & C.V.T ? Why CVT is used in HT Transmission line in..

PT we are using at low voltgae and CVT we are using at EHV
line , CVT has more accuracy than PT
capacitor divider drop the voltage

Is This Answer Correct ?

12 Yes

31 No

What is the major difference between P.T. & C.V.T ? Why CVT is used in HT Transmission line in..

Answer / abhishek

CVT means capacitive voltage transformer which is connected
between the lightening arrester and CT,which is used to
measure the voltage in the line in higher ratings,PT is
connected at the end of the bus bar system which is also
used to measure the voltage.

Is This Answer Correct ?

7 Yes

36 No

What is the major difference between P.T. & C.V.T ? Why CVT is used in HT Transmission line in..

Answer / ramesh

PT is only for measure the voltage. CVT is only for
communication purpose

Is This Answer Correct ?

7 Yes

46 No

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