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Answer Posted / pankaj kumar
VT and CVT are besically use the same fundamental physics for measure the voltage at sedondary as according to its primery..but the besic diff. Is VT usually use for measurement to voltage for protection ckts as well for metering purpose, CVT also can be use for the same purpose but additional advantage with CVT is it can be use in communication purpose as it does have the capacitors as a fliter who can diff. The communication signals and protection signals or you can say tele protection also the purpose depands on the classes of VT and CVT as according to requirement of protection and communication like over voltage pro. Distance pro. Or metering as per requirement
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