Re: (ET) PV powered ET

[robert winfield <winfield100 yahoo com>]

something that will charge teh batteries in 3-4 days
from a 50% discharge.
I am looking at panels from Sun Elec in Miami, some of
the scratch and ding pallets. (abt $2.40/watt)
Chris Zach is a lot more experienced at this tho
--- Dave Reuter <david reuter iavinc com> wrote:
> 
> What PV's are you looking at. I am thinking about a
> charge shed in the
> future and just getting a feel for what PV's are out
> there and cost.
> 
> Dave Reuter
> 
> 
> 
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>              robert winfield                        
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>              <winfield100@yaho                      
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>              o.com>                                 
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> elec-trak cosmos phy tufts edu      
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>              .edu                                   
>               Subject 
>                                        (ET) PV
> powered ET                  
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>              04/28/2004 01:58                       
>                       
>              PM                                     
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> 
> 
> I have an E-12.
> I am trying to figure how to use photovoltaics to
> charge the batteries. I had this discussion before
> but
> the info has vanished (sorry Chris)
> Can I use a 12 and/or 24v charge controller and clip
> it on either 2 or 4 of the batteries.
> The PV I am looking at puts out probably 120 watts
> depending on how configured I can series them to get
> 12v or 24v or 36v and 1/2 or 1/3 the amps
> 12v@10amp or 36v@3.3amp.
> I would also like to yank the battery charger out
> for
> more room or shoehorn bigger batteries.
> basically advice:
> 2 charge controllers, 1@12v and 1@24v jumpered
> across
> 2 or 4 batteries
> 
> could i use 1 24v and have the electrons wander
> towards the 2 batteries not in that circuit)
> 
> 1 charge controller @36v (and where to find one??)
> comments?
> 
> 
> 
> 
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