[RE-wrenches] CEC module rating testing

[David Katz]

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

david at aeesolar.com <mailto:david at aeesolar.com>

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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