current vs solar intensity : Solar Panels

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current vs solar intensity

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dpriedel

Post subject: current vs solar intensity

Posted: Thu May 01, 2003 7:07 pm GMT EstGMT

I know that the output current of a solar panel does not vary much with temperature for a given solar intensity. But has anyone seen data that correlates solar panel output current with solar intensity all at the same cell temperature?

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Solar Guppy

Post subject: current vs solar intensity

Posted: Thu May 01, 2003 11:00 pm GMT EstGMT

Red Cobra Delta Guppy

Joined: Sun Jun 02, 2002 1:01 am GMT EndGMT
Posts: 1159
Location: Lakeland Florida

The current is linear to the irradiance , current actually increases with tempature , by at about 4% of the voltage change decreases

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wpns

Post subject: current vs solar intensity

Posted: Sat May 03, 2003 10:50 am GMT ErdGMT

Minnow

Joined: Fri May 02, 2003 1:01 am GMT EndGMT
Posts: 20
Location: North Reading, MA

How does output power vary with insolation, given a MPPT interface?

Thanks!

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Solar Guppy

Post subject: current vs solar intensity

Posted: Sat May 03, 2003 1:03 pm GMT ErdGMT

Red Cobra Delta Guppy

Joined: Sun Jun 02, 2002 1:01 am GMT EndGMT
Posts: 1159
Location: Lakeland Florida

If its done correctly (mppt) it will track to the availble power and as I said before , the available power is linear to the irradiance

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