[RE-wrenches] SMA Sunny Design temperature/voltage calculations

William Miller william at millersolar.com
Fri Dec 2 10:15:32 PST 2011


Joel:

I add my vote.  I was dismayed when the latest sizing tool was 
released.  Steve Jefferson is proactive, I am sure he will bring this up to 
management.  Steve?

William Miller


At 07:46 AM 12/2/2011, you wrote:
>Howie,
>
>Thank you for speaking up.
>
>SMA, please bring back the old string sizing program. Please.
>
>When John Berdner introduced the SunnyBoy and showed us the spreadsheet (I 
>got version X3.13 in 2003), it answered all our temperature, voltage and 
>power questions. When the string sizing program went on-line, it literally 
>changed system design. You could quickly do what-ifs and try different 
>inverter, module and strings to meet site and requirements.
>
>Wrenches speak up. Hopefully SMA will do the right thing and put that 
>oldie-but-goodie back on-line.
>
>Fröhliche Weihnachten
>Joel Davidson




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