i already made an Inverter much complicated by Space vector, not PWM, but anyway, PWM is much easier, specially this controller work @20Mhz as i remember.
and you need the control circuit only or the Power circuit too,,,or you already have the Isolation and Buffering Circuits,
you mention how KW it is,,,so i suppose you need the Drive Circuit too,,,,,,,,
kindly put more details on what exactly you want,