how can we measure the import power and export power in the same line?

how can we measure the import power and export power in the
same line?

Question Posted / vinothkumaryadav

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how can we measure the import power and export power in the same line?..

Answer / ram

By means of Tri-vector Energy meter.which can record both
import and export.

For example see this meter :
http://www.wallaby-meters.com/prod.html
and many more are available ,above is one is used.

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