[ausev] Potential Regenerative Charging for DC Applications

[Thomas Burbridge]

Greetings,

Hop over to www.homepower.com and run a search on
regenerative braking.  I believe Ian did an article on
that many years ago.


Cheers


--- evehicle4me at hischopsticks.org wrote:

> Sounds like you need to talk to someone really
> smart!  For an off the  
> shelf remedy you can go to:   
> http://www.sprint-electric.com/prod3ph.html  I don't
> know how much  
> they cost of if they have one that will handle as
> much juice as you  
> need but if they don't I am sure they can send you
> in the right  
> direction.
> 
> Will the alternator be able to generate enough
> electricity in those  
> few seconds of braking to be worth while?  Are
> alternators designed  
> well enough to absorb the intermittent and intense
> stress they will  
> receive in a regen situation - even the speed?  Stay
> tuned to further  
> episodes of AUSEV....same volt-time...same
> volt-station!
> 
> 
> 
> 
> 
> 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
> >
> > _______________________________________________
> > AusEV mailing list
> > AusEV at austinev.org
> > http://www.austinev.org/mailman/listinfo/ausev
> >
> 
> 
> 
> 
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