IEC 60904-3:2016 is available as <a
RLV which contains the International Standard and its Redline
version, showing all changes of the technical content compared to
the previous edition.
IEC 60904-3:2016 describes basic measurement principles for determining the electrical output of PV devices. The principles given in this standard are designed to relate the performance rating of PV devices to a common reference terrestrial solar spectral irradiance distribution. The reference terrestrial solar spectral irradiance distribution is given in this standard in order to classify solar simulators according to the spectral performance requirements contained in IEC 60904-9. The principles contained in this standard cover testing in both natural and simulated sunlight. This new edition includes the following significant technical changes with respect to the previous edition:
- the direct beam irradiance corresponding to the global irradiance was included;
- the term "Global photon irradiance" was changed to "Global photon flux";
- the titles of some clauses have been changed (others have been added) in accordance with the usual structure of IEC standards.
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