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Hi guys! Can anyone name a bidirectional power meter that outputs (eihter analogue or digital) signal accordig to the energy flow direction!
Yes, it's finally explained in the above linked previous thread. But the OP loves to talk in riddles.If you have a solar panel connected to the grid then you want to know the net flow of power into and out of your house. That may be what the op is referring to.
May be there are others. Microchip however has no similar 3-phase metering chip.If your talking about AC line frequency then something like the MCP3905 has a negative power detection logic output pin. I'd assume many other energy measurement ICs come with similar functionality.