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IEC/PWI 63092-3 - Photovoltaics in buildings - Part 3: Evaluation methodology of SHGC for Building integrated photovoltaic modules with various designs

Scope

This international standard is intended to provide a versatile method to evaluate the solar heat gain coefficient (SHGC) of BIPV modules with a variety of designs.

This standard applies to BIPV modules as defined in IEC 63092-1 and to different module designs but using identical components such as cells, interconnection, encapsulations and front/back sheets.

Purpose

The BIPV modules are often custom made and the design qualification is complicated. In particular, SHGC measurements for construction components employ a sample with a standard size, being different from IEC standards. Manufactures and users therefore have intense demands for a simplified method applicable to variety of BIPV modules using identical components. The test method consists of two successive steps, evaluation for BIPV modules with standard size and evaluation for small component samples. By combining these data, one can obtain the g-values for each component and can calculate the g-value for modules with different sizes and cell configurations.

The Part 1 and Part 2 of this standard series describes general requirements for BIPV modules and systems, respectively. The Part3 describes specific requirements in evaluation of SHGC for various design of BIPV modules and provide a complementary information to Part 1.

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