NEN-EN-IEC 61829:2016 en

Fotovoltaïsche groepsopstelling - Meting ter plaatse van I-V kenmerken

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Status Definitief
Aantal pagina's 34
Commissie Zonne-energiesystemen
Gepubliceerd op 01-03-2016
Taal Engels
NEN-EN-IEC 61829 specifies procedures for on-site measurement of flat-plate photovoltaic (PV) array characteristics, the accompanying meteorological conditions, and use of these for translating to standard test conditions (STC) or other selected conditions. Measurements of PV array current-voltage (I-V) characteristics under actual on-site conditions and their translation to reference test conditions (RTC) can provide: - data for power rating or capacity testing; - verification of installed array power performance relative to design specifications; - detection of possible differences between on-site module characteristics and laboratory or factory measurements; - detection of possible performance degradation of modules and arrays with respect to onsite initial data; - detection of possible module or array failures or poor performance. For a particular module, on-site measurements translated to STC can be directly compared with results previously obtained in a laboratory or factory for that module. Corrections for differences in the spectral or spatial response of the reference devices may need to be assessed as specified in IEC 60904. On-site array measurements are affected by diode, cable, and mismatch losses, soiling and shading, degradation due to aging, and other uncontrolled effects. Therefore, they are not expected to be equal to the product of the number of modules and the respective module data. If a PV array is formed with sub-arrays of different tilt, orientation, technology, or electrical configuration, the procedure specified in this International Standard is applied to each unique PV sub-array of interest.


ICS-code 27.160
Nederlandse titel Fotovoltaïsche groepsopstelling - Meting ter plaatse van I-V kenmerken
Engelse titel Photovoltaic (PV) array - On-site measurement of current-voltage characteristics



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