[ausev] Potential Regenerative Charging for DC Applications

[Wieser Scott]

I would like some feedback on the following way to obtain regenerative
charging in a DC application.  Google has yet to be helpful on this...

I would like to use an ICE alternator to charge my battery pack.  I
suggest using the NC switch on my throttle potentiometer to switch an
alternator charging circuit on.  The sequence of operation would be when
the driver completely lifts their foot off the throttle, (there is a
"dead-band" prior to this point which allows for coasting), the
alternator circuit would close and produce power to charge the battery
pack.  Conversely, when the driver pressed down on the throttle, the
alternator circuit would open and not impede acceleration. 

Currently my EV's front motor shaft drives the air conditioning
compressor.  With a double-pulley, that shaft could drive the
alternator.  I would like someone with electronic design expertise to
please help me work out this electrical circuit; primary for the voltage
step up to the 120V pack voltage and to ensure protection of the other
devices this circuit or to explain why this would not work.

What do y'all think? 

Scott