I would like to float this idea of using a good (audio) power amplifier in the inverter stage of a sub 1KW VFD. How does this idea sound ?
On the plus side, there is far less switching noise, since we can synthesize the pure sine from an MCU and feed that to the power amplifier directly.
On the minus side, power dissipation would be much more than using a class D design?
All expert/intermediate/novice views are welcome. use a good audio power amplifier in the inverter portion of a sub 1KW VFD?