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when neutral will carry the current?what could be the
magnitude?

Answer Posted / vasim

In normal condition there will not be any current in
Neutral, and the vector sum will be 0, If there is any
EF/SC/Unbalance occured the fault current will always pass
through the lowest resistance path in this case neutral is
the lowest resistance path so when neutral will caryy the
load the magnitude will be equal to the magnitude of fault
current...

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