Monitoring PV for public education [RE-wrenches]

[Electrical Energy]

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Hi Ian and Graham,

The equipment I've found is much less expensive.  It is mainly the highly 
versatile equipment from B & B Electronics. If you can generate a signal, 
it should be possible to put it into a form that the device can 
automatically send through a modem.

Initially I found only highly expensive equipment to do the job, such as 
the excellent and very pricey equipment from Keithley Instruments. .  What 
I'm interested in testing is the amperage, voltage, and temperature of 
wiring on PV arrays.  This is part of the RE Lab project (The Renewable 
Power Installers Advocacy Program), which is a part of IPP, which we are 
now seeking funding for.

The system is built around the B & B Electronics Caddy DCDSS1 Data 
Transmission Unit.  It took a bit of research to figure out how to use to 
with various transducers.  This unit sells for $349.95.  Also needed is an 
analog input module for $279.95.  There are some other components needed as 
well, including the various transducers.

I'm sure it would be possible to take the signal from an anemometer, or use 
the output of a photo cell to generate data that would be acceptable.  I'd 
be very interested in setting up monitoring systems to do these tasks.

Best,

Drake


At 11:09 AM 9/29/2002 -0700, you wrote:

>Hi Drake and Ian,
>
>The most impressive monitoring system I have seen so far is the Schott
>Kiosk but it costs $22,000 and they charge a monthly fee for putting the
>info on the internet.  I need a less expensive solution.  Here is a link
>to Schott's monitoring but the only info I have on the kiosk is in a PDF
>file. http://pv24.ascensiontech.com/intro.htm
>
>Thanks,
>
>Graham Owen
>GO Solar
>
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