[Solved] Energy meter neutral current measurement

miky-1 Asks: Energy meter neutral current measurement
I was reviewing an energy meter specification and I came across neutral current measurement.

What is the importance of neutral current measurement in an energy meter for three phase power supply?

I tried to find the importance, but all I found was that it enhances tamper-detection techniques but does not say how.

Can someone tell me if it is really necessary to have this feature on an energy meter?

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