Answer / kundanmalani1990

current transformer steps up the voltage level thus current
come in the range of measurement, we can measure the
current easily
potential transformer steps down the voltage level thus
voltage come in the range of measurement, we can measure
the voltage easily

Answer / naresh

Current Transformer is a device used to measure the current
of high value in the lines,by connecting the device in
series with the line.
voltage transformer is also an indicating device which is
used to measure the potential across the line.

Answer / mohan kumar ks

current transformer is used for metering purposs and
voltage transformer is used for protection purposs

My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

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