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Title: Record-light weight c-Si modules based on the small unit compound approach : mechanical load tests and general results
Authors : Nussbaumer, Hartmut
Klenk, Markus
Keller, Nico
Ammann, Peter
Thurnheer, Jan
Proceedings: Proceedings of the 33rd European Photovoltaic Solar Energy Conference and Exhibition
Pages : 146
Pages to: 150
Conference details: 33rd European Photovoltaic Solar Energy Conference and Exhibition, EUPVSEC, Amsterdam, The Netherlands, 25-29 September 2017
Publisher / Ed. Institution : WIP
Issue Date: 2017
License (according to publishing contract) : Licence according to publishing contract
Type of review: Not specified
Language : English
Subject (DDC) : 621.3: Electrical engineering and electronics
Abstract: The “small unit compound” (SUC) concept allows the preparation of very light weight c-Si solar laminates utilizing thin glass or plastic materials. A main difference to the common module type is the replacement of the frame at the laminates fringe by a lattice-like structure at the rear or at the rear and front side. Due to the small distances between the mechanical supporting elements which prevent the dishing of the laminate, the stiffness of the laminate itself can be reduced to a minimum. This enables the use of thin glass or alternative materials such as polymer foils. In this paper we present results of mechanical tests with such modules and discuss general results concerning the module lay-out. The paper has a focus on glass/glass and glass/backsheet laminates with glass thicknesses of 0.8, 1.1, 1.6 and 2 mm. A 60 cell glass/backsheet module 0.8 mm front glass with a weight of as low as 6.3 kg (without junction box and cables) has been fabricated. According to our knowledge this is the lowest weight for 60-cell c-Si modules with front glass ever reported. First hail resistance tests show that these modules may surpass the IEC 61215 norm. Only slightly lower weights are possible if alternative materials are used instead of glass for the front side cover.
Departement: School of Engineering
Organisational Unit: Institute of Energy Systems and Fluid Engineering (IEFE)
Publication type: Conference paper
DOI : 10.21256/zhaw-4897
ISBN: 3-936338-47-7
Appears in Collections:Publikationen School of Engineering

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