[RE-wrenches] CIS mods

[Carl Emerson]

Kirpal,

 

I understand that they don't behave like A-Si modules.

 

They are claiming increased performance after soaking.

 

Regards
Carl Emerson

 

 

 

 

 

I don't understand the text as stated.....I am not sure if they are simply
referring to a common effect in most thin film panels where for the first
few months they can output more than ratings, and then they settle down to
what they are rated for, or if they are saying that after a few months the
output will increase, once they are "light soaked"?  

-- 
Sunny Regards,
Kirpal Khalsa
NABCEP Certified Solar PV Installer
Renewable Energy Systems
www.oregonsolarworks.com

On Mon, Feb 18, 2013 at 4:13 PM, Marco Mangelsdorf <marco at pvthawaii.com>
wrote:

Yes, I saw that.  Sounds like smoke and mirrors to me.

 

marco

On Mon, Feb 18, 2013 at 1:38 PM, Carl Emerson <Carl at solarking.net.nz> wrote:

Marco.

 

Did you notice the claim in the text as follows.

 

The "Light Soaking" Effect
Following an initial period of exposure to sunlight, the CIS light soaking
effect will result in higher output than factory spec. This has been proven
by field data from around the world

 

If correct this answers your question.

 

Time will tell I guess.

 

Regards
Carl Emerson

 

 

 

 

Aloha,

 

Solar Frontier in Japan, the maker of copper-indium-selenium (CIS) mods,
claims that their product produces more kWhs per kW installed than
crystalline silicon.

 

http://www.solar-frontier.com/eng/cis/index.html  If you go to the Softbank
Field Results on the right tabs area you can download a 4-page PDF report.

 

I'm wondering if this is a hot-out-of-the-box phenomenon similar to some
other non-cSi products and that after X months in the field the output
stabilizes at a lower level.

 

Anyone have any idea or experience with this?

 

Thanks,

marco


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