Answer / manoj nair

supply volltage can be change by using a transformer as per
requirement (step up or step down).
if we have to cange from ac to dc we have to use rectifer
circuit.
for dc to ac converter circuit.

Answer / chikunhazarika

by using transformer (step-up or step-down)or by changing
no. of turns in the generator side.

Answer / gunasekaran

we can change the number of turns in the gen or using
transformer

Answer / jishnu mukherjee

in case of dc machines. we can adopt the method of chopper control.

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