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what is the purpose of neutral grounding resistor (NER) and
why?

Answer Posted / minal

NGR means Neutral grounding resistor. This is connected to
neutral wire to ground the extra leekage current.
Since in UT,UAT & ST star connection is used, that means
there are 4 wires (R,Y,B & N).Thus neutral is grounded with
a resistor.

Is This Answer Correct ?    7 Yes 15 No



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