IEC TS 62257-9-5:2016

IEC TS 62257-9-5 ®
Edition 3.0 2016-06
REDLINE VERSION
TECHNICAL
SPECIFICATION
colour
inside
Recommendations for small renewable energy and hybrid systems for rural
electrification –
Part 9-5: Integrated systems – Selection of stand-alone lighting kits for rural
electrification
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IEC TS 62257-9-5 ®
Edition 3.0 2016-06
REDLINE VERSION
TECHNICAL
SPECIFICATION
colour
inside
Recommendations for small renewable energy and hybrid systems for rural

electrification –
Part 9-5: Integrated systems – Selection of stand-alone lighting kits for rural

electrification
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.160 ISBN 978-2-8322-3514-0

– 2 – IEC TS 62257-9-5:2016 RLV  IEC 2016

CONTENTS
FOREWORD . 16

INTRODUCTION . 19

1 Scope . 21

2 Normative references. 21

3 Terms and definitions . 22

4 System limits . 27

4.1 System description . 27
4.1.1 Components . 27
4.1.2 Product Component categories . 28
4.1.3 Lighting kit parts definitions . 32
4.1.4 Additional system elements . 33
4.2 System measurements and observations . 33
4.2.1 General . 33
4.2.2 Product design, manufacture, and marketing aspects . 34
4.2.3 Product durability and workmanship aspects . 37
4.2.4 Lighting durability aspects . 40
4.2.5 Battery performance aspects . 41
4.2.6 Solar module aspects . 42
4.2.7 Run time aspects .
4.2.7 Electrical characteristics . 43
4.2.8 Performance aspects . 44
4.2.9 Light output aspects . 46
4.2.10 Battery-charging circuit efficiency . 47
4.2.11 Water protection integrated assessment .
4.2.11 Self-certification aspects . 47
5 Product specification . 48
5.1 General . 48
5.2 Applications . 49
5.3 Quality assurance principles . 49
5.3.1 General .
5.3.2 Rationale for dividing quality, warranty, and performance .
5.4 Product specification framework description . 50

5.4.1 General . 50
5.4.2 Blank Product specification document template . 50
5.4.3 Tolerances . 55
5.4.4 Quality standards criteria . 56
5.4.5 Warranty requirements criteria . 62
5.4.6 Performance targets criteria .
6 Quality test method . 65
6.1 General . 65
6.2 Applications . 65
6.3 Sampling requirements . 65
6.4 Laboratory requirements . 66
6.5 Testing requirements . 66
6.6 Recommended tests programme . 68
6.6.1 General . 68

6.6.2 Product sampling .

6.6.2 Test preparation . 69

6.6.3 Batch A tests . 70

6.6.4 Batch B tests . 71

6.6.5 Batch C – potentially destructive tests . 72

6.6.6 Report preparation . 73

6.7 Reporting . 73

7 Market check method . 73

7.1 General . 73

7.2 Applications . 74
7.3 Sampling requirements . 74
7.4 Laboratory requirements . 74
7.5 Testing requirements . 74
7.6 Recommended tests programme . 77
7.7 Report requirements . 77
8 Initial screening method . 77
8.1 General . 77
8.2 Applications . 77
8.3 Sampling requirements . 77
8.4 Laboratory requirements . 78
8.5 Testing requirements . 78
8.6 Recommended tests programme . 81
8.7 Reporting . 81
9 Field screening method .
9 Accelerated verification method . 85
9.1 General . 85
9.2 Applications . 85
9.3 Sampling requirements . 86
9.3.1 General . 86
9.3.2 Verification entry testing . 86
9.3.3 Follow-up QTM testing . 86
9.4 Laboratory requirements . 87
9.5 Testing requirements . 87
9.5.1 General . 87
9.5.2 Verification entry testing . 87
9.5.3 Follow-up QTM testing . 89
9.6 Recommended tests programme . 90
9.7 Report requirements . 90
10 Standardized specification sheets . 90
10.1 General . 90
10.2 Applications . 90
10.2.1 General . 90
10.2.2 Guidance . 91
10.2.3 Framework for SSS guidelines document . 91
Annex A (informative) Recommended quality standards and performance targets for
off-grid lighting m
...