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<DIV><FONT face=Arial>Cells? Modules? Bell Labs use to call them solar
batteries. Call them what you will, but please buy and use them.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Nomenclature from micro to macro: Cell > Module >
Panel > Sub-array > Array > Power Field.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>From Solar Photovoltaic Applications Seminar: Design,
Installation and Operation of Small, Stand-Alone Photovoltaic Systems, July
1980, DOE/CS/32522-T1 (with thanks to Jim Fortenberry for his copy when the DOE
shut down the PV Division of the Jet Propulsion Laboratory in
1984):</FONT></DIV>
<DIV><FONT face=Arial>A PV array is composed of many subarrays, panels,
modules, and cells in various series, parallel, star, and delta combinations.
Individual cells are wired together and mounted to produce a
module.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>From UL 1703:</FONT></DIV>
<DIV><FONT face=Arial>2. Glossary</FONT></DIV>
<DIV><FONT face=Arial>2.13 Module (Flat-Plate) - The smallest environmentally
protected, essentially planar assembly of solar cells and ancillary parts, such
as interconnects and terminals, intended to generate dc power under
unconcentrated sunlight. The structural (load-carrying) member of a module can
either be the top layer (superstrate), or the back layer (substrate), in
which:</FONT></DIV>
<DIV><FONT face=Arial>a) The superstrate is the transparent material forming the
to (light-facing) outer surface of the module. If load-carrying, this
constitutes a structural superstrate.</FONT></DIV>
<DIV><FONT face=Arial>b) The substrate is the material forming the back out
surface of a module. If load-carrying, this constitutes a structural
substrate.</FONT></DIV>
<DIV><FONT face=Arial>2.15 Panel (Flat-Plate) - A collection of modules
mechanically fastened together, wired, and designed to provide a
field-installable unit.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Cell/Module/Panel factoids:</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>There are such things as non-solar PV cells
and modules. In 1983, a UCLA researcher used a silicon solar cell to
measure the contractions (beats) of a heart cell. The heart cell was viewed
on a television screen that was connected to a microscope. The solar
cell was taped to the TV screen. When the cell contracted, the photons
emitted by the TV screen changed causing the solar cell to generate current that
was then recorded.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>In 1993, while at Solec International, I had a
customer who used a small custom solar module mounted near the combustion
chamber of a natural gas heater. The solar module used the photons emitted
by the combusted gas to power the gas flow regulator.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>In 1994, while at Solar Integrated Technologies, I got the
first UL listing for a photovoltaic panel (not module).</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Joel Davidson</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=benn@daystarsolar.ca href="mailto:benn@daystarsolar.ca">benn
kilburn</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=re-wrenches@lists.re-wrenches.org
href="mailto:re-wrenches@lists.re-wrenches.org">Wrenches</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, February 08, 2011 2:49
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [RE-wrenches] module /
panel</DIV>
<DIV><BR></DIV>
<DIV>Wrenchers,</DIV>
<DIV><BR></DIV>
<DIV>Which term do you to describe a single framed unit with either a j-box or
two wire leads on the back, module or panel? </DIV>
<DIV>Which term do you believe to be correct and why?</DIV>
<DIV><BR></DIV>
<DIV>My interpretation is that a single framed unit is a module. Any
number of modules attached to a single detached 'rack' is a panel, and a group
of panels with the same orientation or mounting location/type is an
array.</DIV>
<DIV><BR></DIV>
<DIV>If you agree with my interpretation, what are your thoughts on the
widespread use of the term 'panel' to describe a module.</DIV>
<DIV><BR></DIV>
<DIV>thanks,</DIV>
<DIV>benn<BR><BR><SPAN style="COLOR: rgb(0,32,96)"
class=ecxecxecxecxEC_Apple-style-span><FONT class=ecxApple-style-span
face="'Franklin Gothic Medium'">DayStar Renewable Energy
Inc. </FONT></SPAN>
<DIV>
<DIV><FONT class=ecxApple-style-span
face="'Franklin Gothic Medium'">benn@daystarsolar.ca</FONT></DIV>
<DIV><FONT class=ecxApple-style-span
face="'Franklin Gothic Medium'">780-906-7807 </FONT></DIV>
<DIV><FONT class=ecxApple-style-span face="'Franklin Gothic Medium'">HAVE A
SUNNY DAY </FONT></DIV>
<DIV><BR></DIV></DIV><BR><BR></DIV>
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