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  • Users: matrixabc
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  1. matrixabc

    HV intertrip

    If you have an HV breaker 11kV feeding a 11kV/400VAC transformer, and no breaker on the output from the LV side, the cables go directly to the switchboard, I have normally seen an inter trip to the LV breaker if the HV trips out. I have recommended this to a customer but cant think exactly why...

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