Polarity change with inverter

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  • Gene
    Full Member
    • Jan 2019
    • 40
    #1

    Polarity change with inverter

    When checking with a polarity tester for an inverter when switched on, the tester changes from live to neutral and neutral becomes live!!! sometimes the earth leakage trips
    Can the inverter be wired wrong?
    Tags: None
    • Gene
      Full Member
      • Jan 2019
      • 40
      #2
      The inverter was not earthed, .....

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        • Isetech
          Platinum Member

          • Mar 2022
          • 2274
          #3
          YOu mean it didnt have an earth to neutral bond when in islanding mode?

          What happens is the inverter voltage will be about 125 VAC L-E and about 80 VAC N-E, as soon as you bond the neutral to earth the voltage will be 230VAC L-N...230 VAC L-E and around 500mVAC N-E.
          Comments are my opinion, unless regulations are attached to support the comment. This is social media, not a court room.

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