[RE-wrenches] Fwd: Grounding on a glacier, SunPower modules

[Larry Crutcher, Starlight Solar]

I have installed tons of SunPower 90's without any ground connection  
on RV's with noticeable loss of power. I believe the problem only  
occurs when you have a path to ground from the frame.

Larry

On Jul 23, 2009, at 12:58 PM, boB Gudgel wrote:

> Larry Crutcher, Starlight Solar wrote:
>> Hi Jay,
>>
>> An interesting quandary indeed.
>
> This is another good example of an application that I was trying to  
> grill Sunpower about --- as far as grounding their modules that need  
> to be positive grounded
> in order to take advantage of their higher efficiencies.   They  
> couldn't answer this simple question.  How would you use one in an  
> airplanefor instance ?
> There are solar powered airplanes (sort  of)   Is a large faraday  
> shield enough ?   Sort of like the ground radials that Larry has  
> mentioned.  I would
> imagine that if you get large enough radials that it ~might~  
> approach being a virtual ground. Works for antennas though.
>
> I like questions like this one.  Sure makes one think a bit.
>
> boB
>
>
>
>
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