Bob-O
I see a use for SolarMagic from National Semiconductor in large systems
with many parallel strings, installed by inexperienced contractors who
put some of the strings in the shade, not realizing how little you get
with minimal shading of one string in parallel strings of modules. They
might have to buy these to appease the system owner who is not getting
what they expect from their system.
They Tigo converter is very interesting and has an MSRP of $56. At this
price it will make some sense.
Cheers,
David
David Katz
President
AEE Solar
1155 Redway Drive
P.O. Box 339
Redway, CA 95560
Tel (707) 825-1200
Fax (707) 825-1202
da...@aeesolar.com <mailto:da...@aeesolar.com>
www.aeesolar.com <http://www.aeesolar.com>
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Bob-O Schultze wrote:
Hiya Dana,
No to all those things, but... I'm told they are about $200 a pop. Say
they increased output by a total of 5%. Seems unlikely, but say they
did. Speaking in retail, $200 represents what these days... 40 watts
or so including racking, give or take? Say you are using a 200W
module. 5% = 10W. Hmmmmm. I can envision some tight spots where that
might pencil, but not many.
Bob-O
On Jul 26, 2009, at 5:41 PM, Dana wrote:
Does anyone have any experience with these units?
Do they work with off grid lower voltages?
Do they work with all controllers?
Do they affect MPPT function positively or negatively?
Do they work well with Grid tie?
How would you gauge the increased performance?
Dana Orzel
Great Solar Works, Inc
www.solarwork.com <http://www.solarwork.com>
E - d...@solarwork.com <mailto:d...@solarwork.com>
V - 970.626.5253
F - 970.626.4140
C - 970.209.4076
“I'd put my money on solar energy… I hope we don't have to wait 'til
oil and coal run out before we tackle that.”
—Thomas Edison, in conversation with Henry Ford and Harvey Firestone,
March 1931
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