[RE-wrenches] Sola-ark cold morning

[Chris Sparadeo]

Hi Dana,

If the battery is in closed loop with the inverter and the battery is cold,
it might be limiting charge due to cold temps.

Best,

Chris

On Sun, Dec 4, 2022 at 8:21 AM Dana Orzel via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hey Now All Wise ones!
>
>
>
> An of gird client emailed yesterday that his Solark had been accepting
> only 350 watts of a 4KW input from the array. The modules are Q-cell 325
> watt 2 strings of 7 modules.
>
>
>
> Sunrise, full sun, no clouds so no edge of cloud effect, negative temps @
> -6˚F, he waited all day with no improvement or change in the charge rate
> consistent 350watts input & then same thing next morning. Negative temps &
> full sun & 350watts solar input.
>
>
>
> He turned the Solark off for 10 minutes & then turned it back on & 4KW
> charge input returned. The Solark did not turn off or deliver any alarm or
> warning.
>
>
>
> My initial thought was over-voltage spike, we designed for a -25˚F
> scenario & 110 PSF snow load. Beefy!
>
>
>
> I did not ask if it was windy additionally. Could this contribute to a
> colder array temp? I have always been of the impression that wind chill did
> not affect metal or glass that it has to do with moisture being driven off.
>
>
>
> Thoughts & suggestions?
>
>
>
>
>
>
>
> Dana Orzel                              Great Solar Works, Inc.
>
> *C - 208.721.7003                       dana at solarwork.com
> <dana at solarwork.com>*
>
> Idaho Contractor - # 028765         Idaho PV # 028374
>
> www.greatsolarworks.com            www.solarwor.com
>
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Chris Sparadeo


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