Sunny Boy with tracker [RE-wrenches]

[Travis Creswell, Ozark Solar]

Why not tap one of the 24 volt modules?

Travis
----------
>From: Ray Walters <remotech at taosnm.com>
>To: RE-wrenches at topica.com
>Subject: Re: Sunny Boy with tracker [RE-wrenches]
>Date: Wed, Dec 12, 2001, 12:01 PM
>

>Hi Alan;
>
>How come you can't run the tracker array direct? You'd only lose the
>nightly reset to the east and the tracker would run slower  when off focus.
>I don't think its worth all the AC hassles you are considering.
>If you have to have that first morning's light, perhaps a tiny sealed
>battery pack at the pole just for the tracker? I've used Wattsun for years
>and it  takes less than 0.3 A-Hr / day @ 24 VDC nom. I'd try a 5 A-Hr
>battery w/ a 5A controller that was a parasite off of a single SX-120
>module... or even put up a pair of 1.5 watt modules ($35/ea.-Schott) in
>series.... they're 4.75" x9" and would fit almost anywhere. I'd stick to
>DC. I think if you keep it isolated from all of the other wiring and call
>the the whole mini power system: "tracking equipment", you'll avoid any UL
>listing related inspection hassles. The Wattsun tracker isn't UL either is it?
>
>Ray
>
>At 11:03 PM 12/11/01 -0700, you wrote:
>>
>>2. The tracker motor uses 24-35 (+/-) VDC to run. Wattsun offers a standard
>>power supply accessory that takes 230VAC to create 30VDC. Code won't allow
>>this to run off of the inverter 230VAC output (source and load
>>differentiation; no attachment point). 
>
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