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BS EN 62108:2016:2017 Edition

BS EN 62108:2016:2017 Edition

$198.66

Concentrator photovoltaic (CPV) modules and assemblies. Design qualification and type approval

Published By Publication Date Number of Pages
BSI 2017 54
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This International Standard specifies the minimum requirements for the design qualification and type approval of concentrator photovoltaic (CPV) modules and assemblies suitable for long-term operation in general open-air climates as defined in IEC 60721‑2‑1 . The test sequence is partially based on that specified in IEC 61215‑1 for the design qualification and type approval of flat-plate terrestrial crystalline silicon PV modules. However, some changes have been made to account for the special features of CPV receivers and modules, particularly with regard to the separation of on-site and in-lab tests, effects of tracking alignment, high current density, and rapid temperature changes, which have resulted in the formulation of some new test procedures or new requirements.

The object of this test standard is to determine the electrical, mechanical, and thermal characteristics of the CPV modules and assemblies and to show, as far as possible within reasonable constraints of cost and time, that the CPV modules and assemblies are capable of withstanding prolonged exposure in climates described in the scope. The actual life of CPV modules and assemblies so qualified will depend on their design, production, environment, and the conditions under which they are operated.

This standard shall be used in conjunction with the retest guidelines described in Annex B.

PDF Catalog

PDF Pages PDF Title
4 European foreword
Endorsement notice
5 Annex ZA (normative) Normative references to international publications with their corresponding European publications
6 English
CONTENTS
9 FOREWORD
11 1 Scope and object
2 Normative references
3 Terms and definitions
13 4 Sampling
Tables
Table 1 – Terms used for CPV
14 5 Marking
6 Testing
15 7 Pass criteria
Table 2 – Allocation of test samples to typical test sequences
16 Figures
Figure 1 – Schematic of point-focus dish PV concentrator
17 Figure 2 – Schematic of linear-focus trough PV concentrator
18 Figure 3 – Schematic of point-focus fresnel lens PV concentrator
19 Figure 4 – Schematic of linear-focus fresnel lens PV concentrator
21 Figure 6 – Qualification test sequence for CPV modules
22 8 Report
Figure 7 – Qualification test sequence for CPV assemblies
23 9 Modifications
10 Test procedures
10.1 Visual inspection
10.1.1 General
10.1.2 Procedure
24 10.1.3 Major visual defects
10.1.4 Requirements
10.2 Electrical performance measurement
10.2.1 Purpose
10.2.2 Outdoor side-by-side I-V measurement
26 10.2.3 Solar simulator I-V measurement
10.2.4 Dark I-V measurement
27 10.3 Ground path continuity test
10.3.1 General
10.3.2 Purpose
10.3.3 Procedure
10.3.4 Requirements
28 10.4 Electrical insulation test
10.4.1 Purpose
29 10.5 Wet insulation test
10.5.1 Purpose
10.5.2 Procedure
10.5.3 Requirements
10.6 Thermal cycling test
10.6.1 Purpose
30 10.6.2 Test sample
10.6.3 Procedure
31 10.6.4 Requirements
Table 3 – Thermal cycle test options for sequence A
32 10.7 Damp heat test
10.7.1 Purpose
10.7.2 Test sample
10.7.3 Procedure
Figure 8 – Temperature and current profile of thermal cycle test (not to scale)
33 10.7.4 Requirements
10.8 Humidity freeze test
10.8.1 Purpose
10.8.2 Test sample
10.8.3 Procedure
10.8.4 Requirements
Table 4 – Humidity freeze test options for sequence B
34 10.9 Hail impact test
10.9.1 Purpose
10.9.2 Apparatus
Figure 9 – Profile of humidity-freeze test conditions
35 10.9.3 Procedure
10.9.4 Requirements
10.10 Water spray test
10.10.1 General
10.10.2 Purpose
36 10.10.3 Procedure
10.10.4 Requirements
10.11 Bypass/blocking diode thermal test
10.11.1 Purpose
37 10.11.2 Test sample
10.11.3 Apparatus
10.11.4 Procedure
10.11.5 Requirements
38 10.11.6 Procedure 2 – Alternate method
Figure 10 – Bypass diode thermal test
39 10.12 Robustness of terminations test
10.12.1 Purpose
10.12.2 Types of terminations
10.12.3 Procedure
40 10.12.4 Requirements
10.13 Mechanical load test
10.13.1 Purpose
Table 5 – Minimum wind loads
41 10.13.2 Procedure
10.13.3 Requirements
10.14 Off-axis beam damage test
10.14.1 General
10.14.2 Purpose
10.14.3 Special case
10.14.4 Procedure
42 10.14.5 Requirements
10.15 Outdoor exposure test
10.15.1 Purpose
10.15.2 Procedure
10.15.3 Requirements
43 10.16 Hot-spot endurance test
10.17 Dust ingress protection test
10.17.1 Purpose
10.17.2 Procedure
10.17.3 Requirements
44 Annex A (informative) Summary of test conditions and requirements
Table A.1 – Summary of test conditions and requirements
47 Annex B (normative) Retesting guideline
B.1 Product or process modifications requiring limited retesting to maintain certification
B.2 Modifications of CPV cell technology
48 B.3 Modifications in optical encapsulation on the cell (Includes optical coupling between the cell and a glass secondary optical element bonded to the cell)
B.4 Modification in cell encapsulation outside of intended light path
B.5 Modification of cell package substrate used for heat transfer
49 B.6 Accessible optics (primary or secondary)
B.7 Inaccessible optics (secondary)
B.8 Frame and/or mounting structure
50 B.9 Enclosure
B.10 Wiring compartment/junction box
B.11 Interconnection terminals
51 B.12 Interconnection materials or technique (to cells and between receivers)
B.13 Change in electrical circuit design in an identical package
B.14 Output power
52 B.15 Thermal energy transfer means
B.16 Adhesives

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BS EN 62108:2016
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