Hiya David,
If ever there was an argument against the upfront, per-watt incentive
in favor of a feed-in tariff, that's it!
Bob-O
On Jul 27, 2009, at 10:05 AM, David Katz wrote:
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
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
E - 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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