High Voltage Charge Controller [RE-wrenches]
Jeffrey Wolfe, Global Resources
global at sover.net
Mon Aug 26 21:23:49 PDT 2002
I haven't heard about the 160V RVPP unit (would be nice...). The Outback unit
is rated at up to 125VDC open circuit. It has no voltage conversion internally.
from anything higher than 48V (nominal) down. Of course the 125VDC rating is
required for a nominal 48VDC amorphous array.
I'm sure Chris F. will correct me if I'm in error :)
Wire is good, and often pretty cheap. But Travis' 700' would strain even the
biggest believer in wire!
Jeff
Quoting "Jay Peltz, Peltz Power" <jay at asis.com>:
> Hi All,
>
> RV products has a new ( or really soon) 160v max unit, and Outback has
> one thats
> 125v, with 12,24,48v output.
>
> I am a firm believer in wire, its very reliable.
>
> Jay
>
> Peltz Power
>
> "David Palumbo, Independent Power & Light" wrote:
>
> > Travis,
> >
> > As Jeff Wolfe said Solar Converters has the MPPT units. I am using two
> of
> > them on my own system. 960 watts per unit at 96 volts 24v output. We
> went
> > through a couple of false starts with these controllers. Dan was great
> in
> > getting them to finally work without failing. The present controllers
> have
> > now been operating for over a year without any problems.
> >
> > Dave
> >
> > -----Original Message-----
> > From: Travis Creswell, Ozark Solar [mailto:ozsolar at ipa.net]
> > Sent: Monday, August 26, 2002 10:37 PM
> > To: RE-wrenches
> > Subject: High Voltage Charge Controller [RE-wrenches]
> >
> > I am designing a job where the array is at least 700' from the house
> which
> > is in heavy woods and the customer doesn't want to cut any trees
> down.
> > Putting the inverters and batteries nearby to the array doesn't really
> solve
> > anything either since the system will be grid tied. That means I
> would need
> > to have an AC run from the house to the inverter location then back to
> the
> > house again. That's 1400' roundtrip.
> >
> > What I would really like is a MPPT charge controller that would let me
> run
> > the array above 100 volts with 48 volts nominal output for the battery
> bank.
> > I have heard of several custom made units but have never seen any.
> Where
> > can I get such a thing?
> >
> > Or maybe I need put the array on top of a 40' pole? Anybody done
> anything
> > like that?
> >
> > Thanks
> > Travis Creswell
> > Ozark Energy Services
> >
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