Answer / ankit

Actually you are confused in the ratings:
A CT i.e. current transformer is used as an instrument
transformer to measure current.

And Similarly PT i.e. Potential Transformer is used for
voltage measurement.

The ratings specified by u are the nominal ratings of a big
building like Mall, IT park so the transformer is A
DISTRIBUTION X-MER which is used for meeting the load
requirements of that premise.

Answer / manju & raju

Generally used for distribution Transformer.
CT-used for current measuring purpose.
PT-used for voltage measuring purpose.

Answer / pawan dahiya

CT is current transformer and used in high current
PT is Potential Transformer and used in high voltage

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