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ساختمان و محیط زیست
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • compromises between form and function in grid-connected, building-integrated photovoltaics (bipv) at low-latitude sites

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 725
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     the integration of photovoltaic (pv) modules on building façades and rooftops is an ideal application of solar electricity generators in the urban environment. maximum annual performance of grid-connected pv is usually obtained with modules tilted at an angle equal to the site latitude, facing the equator. the performance of pv systems not tilted and oriented ideally can drop considerably, depending on site latitude. with grid parity – when the cost of solar electricity becomes competitive with conventional electricity – expected in many countries in the present decade, a more widespread application of pv on buildings is expected, and in this context the main goal of this paper is to demonstrate that good compromises between form and function are possible. in this work we compare the annual energy generation of a curved bipv system installed as a car port rooftop, with an ideally-oriented and tilted, flat bipv system installed as a building’s rooftop cover at a low-latitude site (27°s). for the one-year period analysed, the curved-shape bipv system annual yield was 12% lower than that of the reference bipv system, and during the summer months (november to february), the curved bipv installation presented a higher energy yield than the latitude-tilted generator. with these results we show that a good compromise can be reached between form and function in bipv systems.

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