BP85s [RE-wrenches]

Sun Jun 3 18:48:53 PDT 2001

Hi Bill,

I've got a couple pages of raw data. We're heading on vacation in a few 
days, and will not get it out before then, but we have enough to start 
processing. You'll see it soon.

Jeff

Jeffery D. Wolfe, P.E.
Global Resource Options, LLP
A Woman-Owned Limited Liability Partnership
4 Kibling Hill Road
P.O. Box 51
Strafford, VT 05072
800-374-4494 Toll Free
802-765-4632 Phone
802-765-9983 Fax
global at sover.net
http://www.GlobalResourceOptions.com

----------
From: 	Bill Brooks[SMTP:billbrooks7 at earthlink.net]
Reply To: 	RE-wrenches at topica.com
Sent: 	Sunday, June 03, 2001 3:52 PM
To: 	RE-wrenches at topica.com
Subject: 	RE: BP85s [RE-wrenches]

Jeff,

Any results on this setup recently. Let us know when you have something. 
The
AP-120 and the BP-590 are fairly different module types. The summer results
will be interesting.

Bill.

-----Original Message-----
From: Jeffrey Wolfe, Global Resources [mailto:global at sover.net]
Sent: Tuesday, April 03, 2001 10:42 PM
To: 'RE-wrenches at topica.com'
Subject: RE: BP85s [RE-wrenches]

I've finally gotten a "comparison" going between Astropower AP-120's and
the BP-90's (the label data, but I understand 85W rating.)

What we have set up is 12 BP-590s on a fixed rack, tilted at about 60
degrees (it's still snowing here!). We also have a rack of 8 AP-120's on a
Wat-Sun single azimuth tracker, also tilted at 60 degrees. Both systems go
through their own C40 with a DVM. It is our intent to take daily readings
of the accumulated A-Hrs, and end of day (dark) battery voltage.

This is a net metered system using a Trace SW4024, with a small battery
bank of 4 Surrette/Rolls CH-375 (pretty equivalent to a Trojan L-16).

I'll keep you posted on what we find. First few days, the arrays are
producing about equal.

Do we count the BP-590 array as 1020 Watts peak or 1080 watts peak?

If anyone wants to throw us an extra C-40 and DVM, we'll set up the
UniSolar PVL-128's (field laminated units) the same way. These are on a
4/12 pitch roof (no adjustment!), about 15 degrees.

Does anyone think that an old Bobier Omnimeter would do well as a data
logger for this setup?

Jeff

Jeffery D. Wolfe, P.E.
Global Resource Options, LLP
A Woman-Owned Vermont Limited Liability Partnership
4 Kibling Hill Road
P.O. Box 51
Strafford, VT 05072
802/765-4632
802/765-9983 (Fax)
global at sover.net
http://www.globalresourceoptions.com

----------
From: 	Allan Sindelar, Positive Energy, Inc.[SMTP:allan at positivenergy.com]
Reply To: 	RE-wrenches at topica.com
Sent: 	Tuesday, April 03, 2001 6:31 PM
To: 	New wrenches posting
Subject: 	BP85s [RE-wrenches]

Until the MPPT controllers came out, the only time we used BP90s (now 85s)
was for water pumping, and we often recommended against them to customers,
for the reasons given re higher MPP voltage being less useful. With MPPT,
we
can harvest the benefit at higher voltage, which allows us in some systems
to save on racking, wiring, and other expenses directly related to array
installation.
Allan at Positive Energy.
----- Original Message -----
From: "jay peltz" <jay at asis.com>
To: <RE-wrenches at topica.com>
Sent: Sunday, April 01, 2001 3:09 PM
Subject: Re: Laser inquiry [RE-wrenches]

> Hi Travis,
>
> Yes I agree that the higher voltage works really well in the summer, but
that is
> never a problem load time.  I mean the batteries are always full in the
summer
> at least in this part of the world.
>
> For me, the in this area, the BP-85's are the choice for array direct
pumping, (
> but thats getting more and more rare).
>
> I think the added money would be better spent for more amps, and thats
way
more
> amps during the cooler days of fall and winter when we need them.
>
> These panels do work really well, and now that they have better frames
and
J
> boxes they are even better.  Specialty products for sure,
>
> jay
> Peltz Power

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