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The Graphs in Fig 3A4-6. What does the vertical part of the characteristic mean?

David Stone
There is a problem with these graphs. What is it and how should it be corrected?
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    You are not the student Geoff. 10/10!!


    You are correct of course about cable sizes, but I would like to change those graphs. I think your result is at least as accurate as we need, and we could also make the MCB graphs rather better without the "instant trip" vertical by adding the calculation from the let-through energy and available PSCC. I will write something down.


    Regards

    David
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  • 0
    You are not the student Geoff. 10/10!!


    You are correct of course about cable sizes, but I would like to change those graphs. I think your result is at least as accurate as we need, and we could also make the MCB graphs rather better without the "instant trip" vertical by adding the calculation from the let-through energy and available PSCC. I will write something down.


    Regards

    David
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