[ausev] Potential Regenerative Charging for DC Applications

[Wieser Scott]

Coast down button... What about the switch on the potentiometer? 


Quoting Wieser Scott <Scott.Wieser at irs.gov>:

> 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
>
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