we have 3*1 MW generator one NGR is common for all it will be selected during

we have 3*1 MW generator one NGR is common for all it will
be selected during paralle our problem is two generator ca
be paralled but when slecting third one we need to close
NGR selection on third one other wise voltage not matching
why?

Question Posted / duraiarasu

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we have 3*1 MW generator one NGR is common for all it will be selected during paralle our problem ..

Answer / k.prakashchandra

To establish relationship between I/C generator and the grid / bus bar/ other two gen through earth

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