Yes, the 3rd-part labs determine the temp coefficients.
From the ³PV Module Eligibility Procedure² PDF on gosolarcalifornia.org:
³The process for adding PV modules to the SB1 list is as follows:
1.
The manufacturer gets their product certified to UL 1703. UL, CSA, and Inte
rtek are the
NRTLs who can currently perform this testing.
2.
The manufacturer gets additional performance parameter testing completed by
an
ILAC-affiliated laboratory as listed above. Detailed information on the tes
ts can be
found on the equipment request form in Step 3. The additional performance p
arameter
testing required is shown below:
Crystalline modules
IEC 61215 Sections:
10.2Maximum Power Determination
10.4Measurement of Temperature Coefficients
10.5Measurement of NOCT
10.6Performance at STC and NOCT
10.7Performance at Low Irradiance
3.
The manufacturer fills out the Energy Commission equipment application form,
found
here: http://gosolarcalifornia.org/equipment/documents/EQUIPMENT_REQUEST.DOC
4.
The manufacturer emails a copy of the UL 1703 Certification Letter, the ILAC
laboratory
test report, and the Energy Commission equipment application form to Daria M
ashnik.
All documentation must be in English KEMA will reject any test reports tha
t are not
in English.²
On 9/30/09 10:28 AM, jay peltz j...@asis.com wrote:
Hi David,
Yes I saw the piece in the new SolarPro.
Do you know if they are also testing for temp derating, or are we still going
to be using the manufacturers % loss's?
thanks,
jay
peltz power
On Sep 30, 2009, at 7:59 AM, David Brearley wrote:
Jay,
According to Pat Saxon at the California Energy Commission, the list of
approved test facilities currently include: CSA, Intertek (ETL) and UL. TUV
Rheinland of North America is in the process of expanding their scope to
include this testing. The testing performed includes portions, but not all,
of IEC 61215 (for c-SI) and IEC 61646 (for thin film). The nominal operating
cell temperature (NOCT) and the temperature coefficient of power measurements
reported from these third party testing laboratories are now used to derive
the PTC ratings for CEC eligible modules. That¹s basically the change;
previously these values were self-reported by the manufacturers, generally
optimistically.
A section in one of our feature articles, a recent QA response and a letter
in our Mail department cover aspects of the new testing. If you would like me
to send you links or PDFs to these sources just contact me offline.
Best regards,
David Brearley, Senior Technical Editor
SolarPro magazine
NABCEP Certified PV Installer
david.brear...@solarprofessional.com
Direct: 541.261.6545
Fax: 541.512.0343
Visit our Web site at solarprofessional.com
(Sample copy available for download at: solarprofessional.com/sample)
On 9/29/09 10:30 PM, jay peltz j...@asis.com wrote:
HI All,
Im wondering if anyone knows who is doing the new 3rd party PV
testing for california?
And also how they are doing it, ie real world testing or modeling.
thanks,
jay
peltz power
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