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BS EN 61829:2016

BS EN 61829:2016

$142.49

Photovoltaic (PV) array. On-site measurement of current-voltage characteristics

Published By Publication Date Number of Pages
BSI 2016 24
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IEC 61829:2015 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. This new edition includes the following significant technical changes with respect to the previous edition: – it addresses many outdated procedures; – it accommodates commonly used commercial I-V curve tracers; – it provides a more practical approach for addressing field uncertainties; – it removes and replaces procedures with references to other updated and pertinent standards, including the IEC 60904 series, andIEC 60891.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
7 FOREWORD
9 INTRODUCTION
10 1 Scope
2 Normative references
11 3 Terms and definitions
4 Apparatus
4.1 Irradiance measurements in natural sunlight
12 4.2 Module temperature measurements
4.3 Electrical measurements
13 5 Measurement procedure
5.1 Choose and record appropriate conditions for measurement
5.2 Clean the modules
5.3 Check for shading
14 5.4 Confirm uniformity of irradiance over the test array
5.5 Mount the reference device
5.6 Prepare to measure the array temperature
15 5.7 Disconnect the array
5.8 Connect the measurement system to the array to be measured
5.9 Record electrical data and measurement conditions
16 5.10 Record spectral data
5.11 Typical and extreme module selection
17 6 Analysis
6.1 Adjust the measured irradiance for any deviation from reference conditions
6.2 Compute the average temperature of the array under test
Figure 1 – Examples of extreme and central modules
18 6.3 Compute the junction temperature
6.4 Translate the measurement to the desired test condition
6.5 Correct for soiling losses
7 Test report
20 Annex A (informative) Reference values and reference device
A.1 Reference test conditions (RTC)
A.2 Standard test conditions (STC)
A.3 Reference device
21 Bibliography

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BS EN 61829:2016
$142.49