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Re: [TRNSYS-users] Geometry Issues

Jeff,
 Type30 is for collector array shading if you have two rows of collectors, both sloped at the same angle but one behind the other. I think what you want to do instead since your collectors are facing different directions is to define two surfaces in Type15 (the weather processor) or in Type16 if you are reading your own data file and processing it. Then define two Type94s, one for each of the two arrays that face different directions.
Kind regards,
 David


Jeff Rayl wrote:
I'm trying to model a PV system that is really two separate arrays intertwined. I need one array to face East, with an individual panel angle of 15 degrees and the entire array slope of 10 degrees. The second array needs to face West with the same angles. This is supposed to be somewhat like tracking on a North South axis, only with two fixed panels, one in each direction.

I've been attempting to do this by using Type 30a. Also, when inporting the weather data the azimuth and slope of the surfaces can be set. Does this interfere with setting the slope and azimuth set in type 30a?

Thank you,

--
Jeff Rayl
Solar Decathlon 2009 Electrical & PV PM
Engineers for A Sustainable World President
Electrical Engineering 

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