Jerry,
The CEC formula for PTC uses the NOCT of the module, the STC rating, the
power temperature coefficient and the aperature area of the module.
The data is supplied by the manufacturer but must make sense. Starting
July 1, 2009, this will have to be certified by an acredited testing lab.
Let me know if you want the exact formula and i will send it to you. i
can't attach anything to this email
David
David Katz
President
AEE Solar
1155 Redway Drive
P.O. Box 339
Redway, CA 95560
Tel (707) 825-1200
Fax (707) 825-1202
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
www.aeesolar.com <http://www.aeesolar.com>
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Jerry Caldwell wrote:
Wrenches,
Can anyone tell how PTC ratings are determined for modules on the CEC
list of eligible modules? I seem to recall having heard that the
manufacturers provide this data on the honor system. Can anyone
verify this?
The test is obviously more involved than flash testing at STC. Even
though PTC is supposed to simulate more real-world conditions, it must
still require a controlled environment. How exactly is this done, and
how long does it take?
Best,
Jerry Caldwell
Recurrent Energy
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