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Farm Building and Infrastructure
Renewable Energy
Free damaged 535W panels
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<blockquote data-quote="rogeriko" data-source="post: 8017183" data-attributes="member: 74712"><p>Cracked panels only work full power when pointed directly at the sun. when the sun moves the cracks stop the radiation going to the cells, it blocks some of the light. I have tried this before many times. connect the 2 wires together with an ammeter and measure the dc short circuit current, It will be considerably less than it should be, about 1/10th. Epoxy and sealants wont last long. Oxygen has already reached the silicone cells that are bonded to the glass so the degradation has already started. There are hundreds of cracked panels on Ebay. Not worth bothering with.</p></blockquote><p></p>
[QUOTE="rogeriko, post: 8017183, member: 74712"] Cracked panels only work full power when pointed directly at the sun. when the sun moves the cracks stop the radiation going to the cells, it blocks some of the light. I have tried this before many times. connect the 2 wires together with an ammeter and measure the dc short circuit current, It will be considerably less than it should be, about 1/10th. Epoxy and sealants wont last long. Oxygen has already reached the silicone cells that are bonded to the glass so the degradation has already started. There are hundreds of cracked panels on Ebay. Not worth bothering with. [/QUOTE]
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Free damaged 535W panels
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