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An electric fault that is not cleared is harmful in land applications, but in marine and offshore sector it can have catastrophic consequences. If the protection system fails to operate properly, the following situation may occur: blackouts, fire, loss of propulsion, delays in transportation, collision with the cliff, reef or other ships and electrical shocks to humans. In order to cope with the unwanted...
Generators on a loaded three-phase system maintain practically constant delta potential between phases. The generators themselves generate nearly constant and stable Y potentials. Any shifting of the neutral of the generator on a loaded system is transitory. The values of potential of the three phases to ground are determined by lines drawn from the corners of the delta triangle to a point on a semicircle...
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