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IEC 61215-2
Edition 2.0 2021-02
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Terrestrial photovoltaic (PV) modules – Design qualification and type approval –
Part 2: Test procedures
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IEC 61215-2
Edition 2.0 2021-02
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Terrestrial photovoltaic (PV) modules – Design qualification and type approval –
Part 2: Test procedures
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.160 ISBN 978-2-8322-9500-7
– 2 – IEC 61215-2:2021 RLV © IEC 2021
CONTENTS
FOREWORD . 6
INTRODUCTION . 2
1 Scope and object . 10
2 Normative references . 10
3 Terms and definitions . 12
4 Test procedures . 13
4.1 Visual inspection (MQT 01) . 14
4.1.1 Purpose . 14
4.1.2 Procedure . 14
4.1.3 Requirements . 14
4.2 Maximum power determination (MQT 02) . 14
4.2.1 Purpose . 14
4.2.2 Apparatus . 14
4.2.3 Procedure . 14
4.3 Insulation test (MQT 03) . 15
4.3.1 Purpose . 15
4.3.2 Apparatus . 16
4.3.3 Test conditions . 16
4.3.4 Procedure . 16
4.3.5 Test requirements . 17
4.4 Measurement of temperature coefficients (MQT 04) . 17
4.5 Measurement of nominal module operating temperature (NMOT) (MQT 05)
Placeholder section, formerly NMOT . 17
4.5.1 General .
4.5.2 Principle .
4.5.3 Test procedure .
4.6 Performance at STC and NMOT (MQT 06.1) . 19
4.6.1 Purpose . 19
4.6.2 Apparatus . 19
4.6.3 Procedure for measuring at STC (MQT 06.1) . 19
4.7 Performance at low irradiance (MQT 07) . 20
4.7.1 Purpose . 20
4.7.2 Apparatus . 21
4.7.3 Procedure . 21
4.8 Outdoor exposure test (MQT 08) . 22
4.8.1 Purpose . 22
4.8.2 Apparatus . 22
4.8.3 Procedure . 22
4.8.4 Final measurements . 22
4.8.5 Requirements . 22
4.9 Hot-spot endurance test (MQT 09) . 22
4.9.1 Purpose . 22
4.9.2 Hot-spot effect . 23
4.9.3 Classification of cell interconnection . 23
4.9.4 Apparatus . 25
4.9.5 Procedure . 26
4.9.6 Final measurements . 39
4.9.7 Requirements . 39
4.10 UV preconditioning test (MQT 10) . 39
4.10.1 Purpose . 39
4.10.2 Apparatus . 39
4.10.3 Procedure . 40
4.10.4 Final measurements . 40
4.10.5 Requirements . 40
4.11 Thermal cycling test (MQT 11) . 41
4.11.1 Purpose . 41
4.11.2 Apparatus . 41
4.11.3 Procedure . 42
4.11.4 Final measurements . 43
4.11.5 Requirements . 43
4.12 Humidity-freeze test (MQT 12) . 44
4.12.1 Purpose . 44
4.12.2 Apparatus . 44
4.12.3 Procedure . 44
4.12.4 Final measurements . 44
4.12.5 Requirements . 44
4.13 Damp heat test (MQT 13) . 45
4.13.1 Purpose . 45
4.13.2 Apparatus . 45
4.13.3 Procedure . 45
4.13.4 Final measurements . 46
4.13.5 Requirements . 46
4.14 Robustness of terminations (MQT 14) . 46
4.14.1 Purpose . 46
4.14.2 Retention of junction box on mounting surface (MQT 14.1) . 46
4.14.3 Test of cord anchorage (MQT 14.2) . 47
4.15 Wet leakage current test (MQT 15) . 47
4.15.1 Purpose . 51
4.15.2 Apparatus . 51
4.15.3 Procedure . 51
4.15.4 Requirements . 52
4.16 Static mechanical load test (MQT 16) . 52
4.16.1 Purpose . 52
4.16.2 Apparatus . 53
4.16.3 Procedure . 53
4.16.4 Final measurements . 52
4.16.5 Requirements . 54
4.17 Hail test (MQT 17) . 54
4.17.1 Purpose . 54
4.17.2 Apparatus . 54
4.17.3 Procedure . 55
4.17.4 Final measurements . 56
4.17.5 Requirements . 56
4.18 Bypass diode testing (MQT 18) . 57
4.18.1 Bypass diode thermal test (MQT 18.1) . 57
– 4 – IEC 61215-2:2
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