Re: Solar panel energ vs. incidence angle?
From: Dan Bloomquist (EXTRApublic20_at_lakeweb.com)
Date: 08/25/04
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Date: Wed, 25 Aug 2004 00:08:24 GMT
Rudolf Potucek wrote:
> Dan Bloomquist wrote:
>
>> Look at the difference between 'Two Axis Tracking Flat Plate' and 'Two
>> Axis Tracking Concentrator'.
>>
>> http://rredc.nrel.gov/solar/old_data/nsrdb/redbook/atlas/
>>
>> If the additional radiation isn't from diffused light for the flat
>> plate, what then?
>
>
> Hmm ... not fair ... a concentrator would presumably increase the
> effective solar cell area. Also there is presumably a point where
> internal inefficiencies lead to no energy production even when light is
> striking the panel surface and the concentrator might lower that point.
Hi Rudolf,
As I understand it, the data is collected radiation on a per m^2 basis.
The concentrator isn't getting some kind of area preference. The data
doesn't reflect the particulars of a system like inefficiency. It is
purely radiation data.
Yes, in a specific application, all bets are off.
> Rudolf
Best, Dan.
-- http://lakeweb.net http://ReserveAnalyst.com No EXTRA stuff for email.
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