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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-4034
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dc.contributor.authorBaumann, Thomas-
dc.contributor.authorCarigiet, Fabian-
dc.contributor.authorKnecht, Raphael-
dc.contributor.authorKlenk, Markus-
dc.contributor.authorDreisiebner, Andreas-
dc.contributor.authorNussbaumer, Hartmut-
dc.contributor.authorBaumgartner, Franz-
dc.date.accessioned2018-10-17T07:06:39Z-
dc.date.available2018-10-17T07:06:39Z-
dc.date.issued2018-
dc.identifier.issn2196-100Xde_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/11904-
dc.description.abstractA combination of PV and green roof is an ideal fusion in terms of ecology. The green roof improves the water retention in the city, whereas the PV system produces electric power at the place where it is consumed. Flat tilted modules in south or east west direction on green roofs generally require intensive maintenance to prevent them from being shaded by plants and often cover the roof area to a large extent. Because of the space requirement conflict between PV on the roof and green roofs, it is essential to combine these two systems in a smart way. Vertically mounted bifacial modules can be an option to combine PV and green roof and to also allow a cost-effective maintenance. In this paper we report about the layout and the performance of a corresponding system, subdivided into two groups with differing albedo. Custom made bifacial modules with 20 cells were produced to reduce the wind load and to improve the general appearance. This 9.09 kWp bifacial plant achieved a specific yield of 942 kWh/kWp in one year (11.08.2017 to 10.08.2018). High quality DC power measurement systems are installed to monitor two modules in each bifacial test field and a reference south-facing module. This allows an energy yield comparison between the vertical bifacial test system with east-west orientation and the monofacial south-facing reference over four months of outdoor measurements. The use of plants with good reflective properties, which are also well suited two the ambient conditions on flat roofs, resulted in a yield increase of 17 % compared to a standard green roof planting. The vertically installed bifacial modules obtained an almost identical specific yield (-1.4 %) compared to a stand-alone monofacial southfacing reference module. Due to the increased yield in the mornings and afternoons, the vertical bifacial modules can achieve higher self-consumption depending on the load profile.de_CH
dc.language.isoende_CH
dc.publisherWIPde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectBifacialde_CH
dc.subjectPV systemde_CH
dc.subjectSystem performancede_CH
dc.subjectGreen roofde_CH
dc.subject.ddc333.79: Energiede_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titlePerformance analysis of vertically mounted bifacial PV modules on green roof systemde_CH
dc.typeKonferenz: Paperde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitut für Energiesysteme und Fluid-Engineering (IEFE)de_CH
dc.identifier.doi10.21256/zhaw-4034-
zhaw.conference.details35th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC), Brussels, Belgium, 24-27 September 2018de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewNot specifiedde_CH
zhaw.title.proceedings35th European Photovoltaic Solar Energy Conference and Exhibitionde_CH
zhaw.webfeedPhotovoltaikde_CH
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Baumann, T., Carigiet, F., Knecht, R., Klenk, M., Dreisiebner, A., Nussbaumer, H., & Baumgartner, F. (2018). Performance analysis of vertically mounted bifacial PV modules on green roof system. 35th European Photovoltaic Solar Energy Conference and Exhibition. https://doi.org/10.21256/zhaw-4034
Baumann, T. et al. (2018) ‘Performance analysis of vertically mounted bifacial PV modules on green roof system’, in 35th European Photovoltaic Solar Energy Conference and Exhibition. WIP. Available at: https://doi.org/10.21256/zhaw-4034.
T. Baumann et al., “Performance analysis of vertically mounted bifacial PV modules on green roof system,” in 35th European Photovoltaic Solar Energy Conference and Exhibition, 2018. doi: 10.21256/zhaw-4034.
BAUMANN, Thomas, Fabian CARIGIET, Raphael KNECHT, Markus KLENK, Andreas DREISIEBNER, Hartmut NUSSBAUMER und Franz BAUMGARTNER, 2018. Performance analysis of vertically mounted bifacial PV modules on green roof system. In: 35th European Photovoltaic Solar Energy Conference and Exhibition. Conference paper. WIP. 2018
Baumann, Thomas, Fabian Carigiet, Raphael Knecht, Markus Klenk, Andreas Dreisiebner, Hartmut Nussbaumer, and Franz Baumgartner. 2018. “Performance Analysis of Vertically Mounted Bifacial PV Modules on Green Roof System.” Conference paper. In 35th European Photovoltaic Solar Energy Conference and Exhibition. WIP. https://doi.org/10.21256/zhaw-4034.
Baumann, Thomas, et al. “Performance Analysis of Vertically Mounted Bifacial PV Modules on Green Roof System.” 35th European Photovoltaic Solar Energy Conference and Exhibition, WIP, 2018, https://doi.org/10.21256/zhaw-4034.


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