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One of the more difficult problems to solve in industrial plant is to locate and eliminate a ground fault in High Resistance Ground (HRG) system. This is because ground fault conditions in these systems do not draw enough current to reliably trigger fault current sensors in the drive. For an Adjustable Speed Drive (ASD) drive operated in a HRG system, a load side ground fault generates very low fundemental...
One of the more difficult problems to solve in industrial plant is to locate and eliminate a ground fault in High Resistance Ground (HRG) system. This is because a ground fault conditions in these systems do not draw enough current to reliably trigger fault current sensors in the drive. This paper developed an approach to identify the ground fault location in HRG systems using voltage sensing, rather...
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