I want to use a transformer to boost my 10 kilagram generator?

if generator = alternator weighs 10 kilograms, transformer should weigh 10 kilograms, possibly generator effective without transformer. maximum output 2300 watts = 2.3 kw, can deliver 230 volts @ 10 amps if generator designed do. transformer can raise volts or amps raising 1 reduces other , watts 10% less.
if alternator rated 10 kilowatts, possibly has center tap can supply 240 volts @ 42 amps or 120 volts 2 separate loads 42 amps each. 10 kw alternator weighs 50 kilograms. neil

i need know size transformer need boost 10 kilogram generator it's effective use.

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