when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power fa

when running 2 nos 450kva dg sets in parallel operation ,in
one Dg set power factor and Kvar going to lagging and ampere
suddenly going high,please give me suggestion to correct the
same.

Question Posted / sonevafushi1

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when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power factor and Kvar going ..

Answer / k.prakashchandra

May be due to over excitation.If you are using AVR ,run on
manual channel to check the PLC and auto channel

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when running 2 nos 450kva dg sets in parallel operation ,in one Dg set power factor and Kvar going ..

Answer / nithi

mr.prakash answer is correct........over excitation of one
DG set & under excitation of another Dg set will lead to
this type of problem.so, check both DG set AVR circuitary
(voltage set value).

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