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what need of NGR(neutral grounding registor)? What it works?
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Answer Posted / murafiq
NGR used for limiting the ground fault cuurent that is
installed in between generator neutral point and earth in
case of fault that limit the fault current that is of
diffrent type resiatance type, reactance ,petrson coil
earthing. In case of one phase fault that NGR limit the
current and relays detect that and trips the generator.
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