Need for standardization of bifacial measurements

1. www.halm.de © h.a.l.m. elektronik gmbh 2015
Need for standardized
measurements of bifacial
solar cells and PV modules
Dr. Alexander Edler, Dr. Axel Metz
h.a.l.m. elektronik GmbH, Frankfurt, Germany
Workshop on bifacial photovoltaics implemented in the Atacama Desert Solar Platform
Antofagasta, Chile, January 14th & 15th 2015

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Company profile
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Product portfolio
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Outline
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5. www.halm.de © h.a.l.m. elektronik gmbh 2015
Applications for bifacial cells and modules
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6. www.halm.de © h.a.l.m. elektronik gmbh 2015
Applications for bifacial cells and modules
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7. www.halm.de © h.a.l.m. elektronik gmbh 2015
Important parameters for bifacial systems
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Requirements for different levels of the value chain
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9. www.halm.de © h.a.l.m. elektronik gmbh 2015
Requirements for different levels of the value chain
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10. www.halm.de © h.a.l.m. elektronik gmbh 2015
Requirements for reproducible measurements
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11. www.halm.de © h.a.l.m. elektronik gmbh 2015
Measurement of bifacial solar cells and modules
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12. www.halm.de © h.a.l.m. elektronik gmbh 2015
Measurement of bifacial solar cells and modules
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13. www.halm.de © h.a.l.m. elektronik gmbh 2015
Measurement of bifacial solar cells and modules
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h.a.l.m. concept for bifacial flash tester

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Example of illumination profile within one flash cycle

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Proposal for standardized IV measurement of bifacial devices
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Conclusions
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