Solar Winter Output Assessment: Measuring Snow-related Losses: Historically, PV modules installed in snowy clim...

Solar Winter Output Assessment: Measuring Snow-related Losses | Large Scale Solar Magazine Article

renewableenergyworld.com 15 Jun '12, 5pm

Solar Winter Output Assessment: Measuring Snow-related Losses: Historically, PV modules installed in snowy clim...

Today's snowy climate PV systems tend to be installed at angles shallow enough to make them prone to snow loss, and as large-scale PV installations become more widespread in snowy locations analytical models are needed to estimate the impact of snow on energy production. Both weather and array design factors influence the amount of snow loss. Weather factors include the quantity and quality (moisture content) of the snow, the recurrence pattern of storms, and the post-storm pattern of temperature, irradiation, wind speed, wind direction, and relative humidity. Array design factors essentially boil down to orientation (fixed or tracking, tilt, azimuth, and tracker rotation limits) and the surrounding geometry (open rack or building-integrated). Building features can also either help (e.g. melt) or hinder (e.g. dam up or drift) natural snow shedding. Nonetheless, a generalis...

Full article: http://www.renewableenergyworld.com/rea/news/article/2012...

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@EcoManLeader » 15 Jun '12, 6pm
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Solar Winter Output Assessment: Measuring Snow-related Losses [link]