[RE-wrenches] SMA electrical noise?

[Christopher Warfel]

Check array open circuit voltage calculation?

On 10/28/2011 8:46 AM, Dave Palumbo wrote:
>
> Wrenches,
>
> This is a new one on me. Any ideas of what may be happening?
>
> In a follow up she said it happens every day. System was installed two 
> months ago. SB8000US inverter 8.28kW array.
>
> << Dave
>
> We are experiencing electrical noise at dawn and dusk. The power back 
> ups for our computers start beeping, going off and on, and finally 
> causing the computers to shut down. This is probably not good for the 
> computers. Is this something you are aware of in these systems?
>
> Can you give us some advice or perhaps come over to check into it?
>
> Like I said, at dawn and dusk, just when the sun is changing intensity. >>
>
> David Palumbo
>
> Independent Power LLC
>
> 462 Solar Way Drive
>
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>
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>
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>
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>
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-- 

Christopher Warfel, P.E.
ENTECH Engineering, Inc.
Energy Utilization Experts
(401)466-8978

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