Microsoft Outlook SignatureI'm curious to see if this little excel spreadsheet PTC calculator that I got from the CEC in 2003 attaches. ----- Original Message ----- From: David Katz To: RE-wrenches ; [EMAIL PROTECTED] Sent: Monday, December 01, 2008 6:48 PM Subject: Re: [RE-wrenches] CEC module rating testing
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]
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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PTC calculator.xls
Description: MS-Excel spreadsheet
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