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

Answer Posted / mrudang

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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3419


What is the actual calculation for transformer short circuit test?.

1980


can you plz send l&t aptitude questions if available its urgent plz plz plz

1647


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1419


What do you mean by Frame 5 Gas Turbine as well as Mark II.

2051






I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

1498


What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

1760


Benifits of 3ph 4 wire metering over 3ph 3 wire

2008


my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

1565


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1498


How to know of any cable size if there are not written on cabl?

1446


Name of the relay of low lub oil presuure in DG sets

1599


why and where we use early make & late break contacts in protection?

7616


Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

1525


if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1391