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ADE7878 Neutral, Ground and 0Vdc Connection

Hi there,

I am developing an energy meter using the ADE7878.

I have used the evaluation board as the basis for the circuit design and I am supplying power 3.3Vdc to the ADE7878 through an AC-DC converter module. I am taking the AC supply for the module from the VA and VN inputs for the voltage measurements.

I have some reservations about how how I have connected up the neutral, ground plane and 0Vdc. At the moment I have connected both  0Vdc and Neutral to the ground plane. See the circuit diagram below for the Neutral-Ground-0Vdc setup.

I am just wondering if this setup is ok and if there are any comments about it?

Thanks in advance.


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