I’m no electrical engineer nor electrician and my job requires a lot of maintenance activities at a plant and I’ve searched and ask engineers but I can’t grasp what they really mean in simple terms.
In: Engineering
Fault is an actual occurrence of failure. Trip is a mechanical response to a (supposed) failure condition. You will hear the term “Nuisance Trip”, meaning a device meant to mitigate damage in a fault condition has responded as if a fault exists when none does, because it itself is faulty or there is some “slop” between what’s detected as a fault and what actually is one.
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