High Voltage Charge Controller [RE-wrenches]

[Rick Cullen - RV Power Products]

Wrenches,

I am glad to see the interest in "step-down" type MPPT controllers. I would
also like to briefly clear up the spec numbers on our new Solar Boost 6024H
controller since it is being discussed here. It will deliver up to 60A of
output current at 24V or 12V, with the input being 4 or 5 series modules for
a nominal 48V or 60V (really 64V or 85V at std. test cond.). It's max input
voltage rating is 140V to support the 5 module input. Like our other Solar
Boost controllers it will operate at full power in a 40degC (104degF) with
no derating. I can send you a datasheet off list if you like. It should be
on our web site soon...

Rick Cullen
RV Power Products, Inc.
Providing quality MPPT solar charge controllers
Phone 760-597-1642 x102
Fax 760-597-1731

mail to: rick at rvpowerproducts.com
www.rvpowerproducts.com



----- Original Message -----
From: "Jeffrey Wolfe, Global Resources" <global at sover.net>
To: <RE-wrenches at topica.com>
Sent: Monday, August 26, 2002 9:23 PM
Subject: Re: High Voltage Charge Controller [RE-wrenches]


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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