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what is the difference between CT and CVT in EHV Sub Stations

Answers were Sorted based on User's Feedback



what is the difference between CT and CVT in EHV Sub Stations..

Answer / p krishna teja

A current transformer (CT) is used for measurement of
electric currents.Current transformers are commonly used in
metering and protective relays in the electrical power
industry.


A capacitor voltage transformer (CVT), or capacitance
coupled voltage transformer (CCVT) is a transformer used in
power systems to step down extra high voltage signals and
provide a low voltage signal, for measurement or to operate
a protective relay. In its most basic form the device
consists of three parts: two capacitors across which the
transmission line signal is split, an inductive element to
tune the device to the line frequency, and a transformer to
isolate and further step down the voltage for the
instrumentation or protective relay.

Is This Answer Correct ?    42 Yes 2 No

what is the difference between CT and CVT in EHV Sub Stations..

Answer / saadsms

CT:
This means current transformer converts current from high
values &#8203;&#8203;to the value of 5 amps of output circuits for the
operation of measurement and warning devices, or any need of
this type...


CVT:
This means that there are two transformers together in the
same device is used for high voltage circuits
One-volt transformer and the other current transformer.
In the same container (one device).

Is This Answer Correct ?    1 Yes 12 No

what is the difference between CT and CVT in EHV Sub Stations..

Answer / sandeep

CT is used for measuring and control of Currents and CVT is used for Measuring of Voltages in 400kv switch yard.

Is This Answer Correct ?    4 Yes 19 No

what is the difference between CT and CVT in EHV Sub Stations..

Answer / limbian

CT - used for protection
CVT - for Metering

Is This Answer Correct ?    2 Yes 18 No

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