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Search took 0.00 seconds. Search: Posts Made By: Sun Dandan

Forum: Solar Power

11-22-11, 12:00 AM

Replies: 25

Contamination under glass? (PV panels)

Views: 21,500

Posted By Sun Dandan

Hi, em.... seems that the 'snail-trails' are...

Hi,
em.... seems that the 'snail-trails' are spreading. Probably there are micro-cracks or physical cracks(not visible to human naked eyes) on the cells. So Oxygen penetrates into the cell and the...

Forum: Solar Power

11-21-11, 02:30 AM

Replies: 25

Contamination under glass? (PV panels)

Views: 21,500

Posted By Sun Dandan

Hi, Thank you for your information. Based on...

Hi,
Thank you for your information.
Based on what I know. Those modules are not newly manufactured. Probably have been 'stayed' in warehouse for months...
Those stains probably occur due to...

Forum: Solar Power

11-20-11, 06:58 PM

Replies: 25

Contamination under glass? (PV panels)

Views: 21,500

Posted By Sun Dandan

Hi, I'm a student from Singapore. We have...

Hi,
I'm a student from Singapore.
We have seen something like this before. And we are actually studying on this. We call it 'crack-shadow' or 'snail-trail'.
The root causes of these...

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