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TIDM-HV-1PH-DCAC: TIDM-HV-1PH-DCAC

Igor Volkov
Prodigy 60 points
Part Number: TIDM-HV-1PH-DCAC

Good day.I want to use Single-Phase Inverter Grid Connected Modes.The scheme shows net "GND" control card has galvanic couple with net "BUS_GND" and LINE_N(GRID) through L5,L6,L7,L8,L9.why is such a connection needed?Can I connect a net "GND" to a metal case?Thank you.

  • 0
    TI__Mastermind 43730 points

    No, 

    L5-L9 are between BUS_GND and GND which is still controller ground not the return of the AC, 

    As this is totem pole configuration you cannot connect metal case to GND. You should connect to Earth ground.

    Note: as I have not tried these connections the above is merely a suggestion and not advise.