Sanyo panels [RE-wrenches]

Kirk Herander kirk at vtsolar.com
Sun May 9 12:57:58 PDT 2004


 

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Last week I commisioned my first system using the Sanyo 167 watt
modules. -14- total, -2- subarrays of seven into a Sunnyboy 2500USBD
inverter, total array wattage of 2.338 kwp. I and the homeowner were
pleasantly surprised to observe the SunnyBoy putting 2.42 Kw into the grid
in the middle of a hazy sun day. No chance of reflected sunlight adding to
output, I would think. The panels are fixed at 35 degree pitch in our 45
degree N latitude. The panels are apparently exceeding their nameplate
rating, even after efficiency hits inherent in connections, wire, dc/ac
conversion(inverter) , ect. Has anyone else seen a similar impressive
performance?

Kirk


Vermont Solar Engineering
Kirk Herander
North American Board of Certified Energy Practitioners
Certified Solar PV Installer(TM)
Xantrex Certified Dealer Charter Member
NYSERDA-eligible installer
Vermont Solar and Wind Partner

PO Box 697
Burlington, VT. 05402
www.vermontsolar.com
www.backeastsolar.com
800.286.1252 - 802.863.1202
fax 802.863.7908

----- Original Message -----
From: "Matt Tritt" <solarone at charter.net>
To: <RE-wrenches at topica.com>
Sent: Friday, May 07, 2004 7:25 PM
Subject: RE: Sanyo panels [RE-wrenches]




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David,

Not to seem entirely obtuse but - you are saying that your tracker is
producing 32% better than a fixed array. The measured efficiency
difference between Sharp and Sanyo is actually
Extremely little from everything I've heard. An actual fair test would
be when both modules are mounted at the same site on the same type
mounting structure.

Matt T

-----Original Message-----
From: David Blittersdorf [mailto:davidb at nrgsystems.com]
Sent: Friday, May 07, 2004 2:50 PM
To: RE-wrenches at topica.com
Subject: Re: Sanyo panels [RE-wrenches]




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We are installing 32 kw's of Sanyo 180 panels and have tested 12 on a
tracker for the last 4 months. They are the best PV  I have yet used and

are producing 1.39 kwh/watt installed AC output per year compared to
fixed roof PV (Sharp) at 1.07 kwh/watt. Both with Sunnyboy 2500
inverters.

Sunwize supplied ours.

David Blittersdorf

On 7 May 2004 at 14:16, Kurt Albershardt wrote:

> ===========================================================
>
> Anyone know of a US source for the Sanyo PV panels?  A client is
> interested in doing a demonstration project with them.
>
>
> --thanks
David Blittersdorf
NRG Systems, Inc.
110 Commerce Street
Hinesburg, VT 05461 USA
Tel: 802-482-2255
Fax: 802-482-2272
email: davidb at nrgsystems.com
Web:http://www.nrgsystems.com

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