what is the effect come when i changed the alternator exciter field winding DC

what is the effect come when i changed the alternator
exciter field winding DC palority(+ve & -ve)which is coming
from AVR.

Question Posted / ravinder rana

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Wartsila, I also Faced
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what is the effect come when i changed the alternator exciter field winding DC palority(+ve & ..

Answer / k.prakashchandra

Nil.It is recommended to reduce residual magnetism of pole shoes

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