Answer / kannu

current and voltage transformers both are based principle
of as transformers.it used for step down the voltage and
current to measure the electrical energy .
There is a ratio to identity the CT and PT.

pt ratio :100/1 etc.....
ct ratio :100/5 etc....

A 25MVA 3300/400V T/F is termed as per winding is …… a) primary 3300V & Secondary 400V b) primary 3300V & low voltage winding 400V c) High voltage winding 3300V & Secondary 400V d) High voltage winding 3300V & low voltage winding 400V

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