Lowest DAYTIME temp records [RE-wrenches]

William Miller wrmiller at charter.net
Thu Feb 2 11:57:18 PST 2006


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Tump:

You may need to use the lowest night time temperature value.  I'm not sure 
you could quantify how much the temperature might increase from dawn to the 
point when your panels receive light.  In a recent Fromius training session 
I was shown a chart of PV voltage and there is a spike in the voltage 
during the early morning hours when the inverter is receiving voltage but 
has not started power point tracking.

Also, there is no better way to prevail in a discussion on this point with 
the AHJ than using the lowest night time temp.

Hope this helps.

William Miller



At 11:23 AM 2/2/2006, you wrote:

>Anyone have a source for this information? seems like I can only find 
>lowest temps, NOT daytime....
>
>                Tump at direcway.com
>       www.Solarwindsnorthernlights.com
>Serving Mid Coast Maine & Northern California
>     Me.# 207-832-7574  Cl.#  610-517-8401

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