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Thread: Transformer Damage Curve

  1. #11
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    Quote Originally Posted by timm333 View Post
    The "long time region" which you have mentioned, is it of damage-curve or fuse-curve ?

    The top half of the damage curve is for thermal and the bottom half is for short circuit. Regarding the fuse curve, it does not have the thermal and short circuit regions like a breaker, but still I think the top part of the fuse curve would be for thermal and bottom half for short circuit.
    Long time region --> the region in the thermal side of the protection.
    Short time region---> the region in the inrush/ starting region, and
    Instantaneous region--> protection from short circuits.

  2. #12
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    Quote Originally Posted by timm333 View Post
    still I think the top part of the fuse curve would be for thermal and bottom half for short circuit.
    Are you thinking about time delay fuses?

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