Originally Posted by smoothflow
The last option is to use a high frequency inverter circuit i.e. mosfets / scr switches, high frequency transformer and then bridge rectifier to convert 96 V DC to 600 V DC. Then use a similar circuit in reverse for regen. Is it possible? Because here in India I can get high frequency inverter circuits for about 100-150 USD.
That's a type of boost converter, but a lossy one because you have to first convert DC to AC, go through a transformer, then rectifier then to the VFD.
A DC boost converter that boosts DC would be easier, and no huge transformer (but a huge inductor). The problem is, with any converter of any decent power, it's large and heavy.
I'm sure he wants a motorcycle that can put out over 10kw and isn't 600lbs.
I think he should ditch the 600V inverter idea and just use a normal motor and controller. 96-600V isn't practical whether he does that or 600V battery pack, it's going to be dangerous to work on.