Recommendations for renewable energy and hybrid systems for rural electrification - Part 12-1: Laboratory evaluation of lamps and lighting appliances for off-grid electricity systems

IEC TS 62257-12-1:2020 is available as IEC TS 62257-12-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC TS 62257-12-1:2020 establishes the framework for creating a product specification for lamps and lighting appliances to serve as the basis for evaluating quality for a particular context. Product specifications include minimum requirements for quality standards, warranty requirements, and/or performance criteria. Products are compared to specifications based on test results and other information about the product. The product specification framework is flexible and can accommodate the goals of diverse organizations and institutions. This third edition cancels and replaces the second edition published in 2015. This edition includes the following significant technical changes with respect to the previous edition.
- Annex A and Annex B were combined into a single Annex A to eliminate duplicate tables and simplify the document.

General Information

Status
Published
Publication Date
24-May-2020
Current Stage
PPUB - Publication issued
Completion Date
25-May-2020
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IEC TS 62257-12-1:2020 - Recommendations for renewable energy and hybrid systems for rural electrification - Part 12-1: Laboratory evaluation of lamps and lighting appliances for off-grid electricity systems
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IEC TS 62257-12-1
Edition 3.0 2020-05
TECHNICAL
SPECIFICATION
Recommendations for renewable energy and hybrid systems for rural
electrification –
Part 12-1: Laboratory evaluation of lamps and lighting appliances for off-grid
electricity systems
IEC TS 62257-12-1:2020-05(en)
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IEC TS 62257-12-1
Edition 3.0 2020-05
TECHNICAL
SPECIFICATION
Recommendations for renewable energy and hybrid systems for rural
electrification –
Part 12-1: Laboratory evaluation of lamps and lighting appliances for off-grid
electricity systems
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.160 ISBN 978-2-8322-8077-5

Warning! Make sure that you obtained this publication from an authorized distributor.

® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 3 ----------------------
– 2 – IEC TS 62257-12-1:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 7

INTRODUCTION ..................................................................................................................... 9

1 Scope ............................................................................................................................ 10

2 Normative references .................................................................................................... 10

3 Terms and definitions .................................................................................................... 11

4 Characteristics of lamps and lighting appliances ............................................................ 15

4.1 Product categories ................................................................................................ 15

4.2 System measurements and observations .............................................................. 15

4.2.1 General ......................................................................................................... 15

4.2.2 Design, manufacture, and marketing .............................................................. 15

4.2.3 Durability and workmanship ........................................................................... 17

4.2.4 Electrical characteristics ................................................................................ 19

4.2.5 Photometric performance measures ............................................................... 20

4.2.6 Photometric durability measures .................................................................... 21

4.2.7 Self-declaration aspects ................................................................................ 21

5 Product specification ..................................................................................................... 22

5.1 General ................................................................................................................. 22

5.2 Applications .......................................................................................................... 22

5.3 Quality assurance principles ................................................................................. 23

5.3.1 General ......................................................................................................... 23

5.3.2 Rationale for dividing quality, warranty, and performance .............................. 23

5.4 Product specification framework description .......................................................... 24

5.4.1 General ......................................................................................................... 24

5.4.2 Product specification template ....................................................................... 24

5.4.3 Tolerances .................................................................................................... 27

5.4.4 Quality standards criteria ............................................................................... 28

5.4.5 Warranty requirements criteria ....................................................................... 33

5.4.6 Performance criteria ...................................................................................... 33

6 Quality test method (QTM) ............................................................................................. 35

6.1 General ................................................................................................................. 35

6.2 Applications .......................................................................................................... 36

6.3 Sampling requirements ......................................................................................... 36

6.4 Laboratory requirements ....................................................................................... 36

6.5 Testing requirements ............................................................................................ 36

6.6 Recommended test programme ............................................................................ 38

6.6.1 General ......................................................................................................... 38

6.6.2 Reporting ....................................................................................................... 40

7 Market check method (MCM) ......................................................................................... 41

7.1 General ................................................................................................................. 41

7.2 Applications .......................................................................................................... 41

7.3 Sampling requirements ......................................................................................... 42

7.4 Laboratory requirements ....................................................................................... 42

7.5 Testing requirements ............................................................................................ 42

7.6 Recommended tests programme ........................................................................... 44

7.7 Report requirements ............................................................................................. 44

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IEC TS 62257-12-1:2020 © IEC 2020 – 3 –

Annex A (informative) Example quality standards and performance criteria for off-grid

lighting market support programme qualification and bulk procurement (“sample

tender”) qualification ............................................................................................................. 45

A.1 Overview............................................................................................................... 45

A.2 Test requirements ................................................................................................. 45

A.3 Quality standards .................................................................................................. 45

A.4 Warranty requirements .......................................................................................... 47

A.5 Performance criteria ............................................................................................. 47

Annex B (informative) Reserved........................................................................................... 49

Annex C (normative) Manufacturer self-reported information ................................................ 50

C.1 Background........................................................................................................... 50

C.2 Outcomes ............................................................................................................. 50

C.3 Solicited information ............................................................................................. 50

Annex D (normative) Product sampling ................................................................................ 51

D.1 Background........................................................................................................... 51

D.2 Test outcomes ...................................................................................................... 51

D.3 Related tests......................................................................................................... 51

D.4 Procedure ............................................................................................................. 51

Annex E (normative) Power supply requirements for testing ................................................. 52

E.1 Background........................................................................................................... 52

E.2 Related tests......................................................................................................... 52

E.3 Equipment requirements ....................................................................................... 52

E.3.1 DC systems ................................................................................................... 52

E.3.2 AC systems ................................................................................................... 52

E.4 Reporting .............................................................................................................. 53

Annex F (normative) Visual screening .................................................................................. 54

F.1 Background........................................................................................................... 54

F.2 Test outcomes ...................................................................................................... 54

F.3 Related tests......................................................................................................... 54

F.4 Procedure ............................................................................................................. 54

F.4.1 Properties, features, and information ............................................................. 54

F.4.2 Specifications ................................................................................................ 56

F.4.3 Functionality and internal inspection .............................................................. 57

F.5 Reporting .............................................................................................................. 58

Annex G (normative) Sample preparation ............................................................................ 61

G.1 Background........................................................................................................... 61

G.2 Test outcomes ...................................................................................................... 61

G.3 Related tests......................................................................................................... 61

G.4 Procedure ............................................................................................................. 61

G.4.1 General ......................................................................................................... 61

G.4.2 Equipment requirements ................................................................................ 61

G.4.3 Test prerequisites .......................................................................................... 62

G.4.4 Procedure ...................................................................................................... 62

G.5 Calculations .......................................................................................................... 63

G.6 Reporting .............................................................................................................. 63

Annex H (normative) Voltage and frequency settings, voltage measurement points,

and product stabilization procedures ..................................................................................... 64

H.1 Background........................................................................................................... 64

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– 4 – IEC TS 62257-12-1:2020 © IEC 2020

H.2 Related tests......................................................................................................... 64

H.3 Equipment requirements ....................................................................................... 64

H.4 Procedure ............................................................................................................. 64

H.4.1 Test setup ..................................................................................................... 64

H.4.2 Standard operating voltages .......................................................................... 65

H.4.3 Frequency selection....................................................................................... 66

H.4.4 Stabilization period ........................................................................................ 66

H.5 Reporting .............................................................................................................. 67

Annex I (normative) Light output .......................................................................................... 68

I.1 Background........................................................................................................... 68

I.2 Test outcomes ...................................................................................................... 68

I.3 Related tests......................................................................................................... 68

I.4 Procedure ............................................................................................................. 68

I.5 Calculations .......................................................................................................... 69

I.6 Reporting .............................................................................................................. 69

Annex J (normative) Light distribution .................................................................................. 70

J.1 Background........................................................................................................... 70

J.2 Test outcomes ...................................................................................................... 70

J.3 Related tests......................................................................................................... 70

J.4 Procedure ............................................................................................................. 70

J.5 Calculations .......................................................................................................... 70

J.6 Reporting .............................................................................................................. 71

Annex K (normative) Input voltage range ............................................................................. 72

K.1 Background........................................................................................................... 72

K.2 Test outcomes ...................................................................................................... 72

K.3 Related tests......................................................................................................... 72

K.4 Procedure ............................................................................................................. 73

K.4.1 General ......................................................................................................... 73

K.4.2 Equipment requirements ................................................................................ 73

K.4.3 Test prerequisites .......................................................................................... 73

K.4.4 Apparatus ...................................................................................................... 73

K.4.5 Procedure ...................................................................................................... 73

K.5 Calculations .......................................................................................................... 75

K.6 Reporting .............................................................................................................. 75

Annex L (normative) Lumen maintenance ............................................................................ 77

L.1 Background........................................................................................................... 77

L.2 Test outcomes ...................................................................................................... 77

L.3 Related tests......................................................................................................... 77

L.4 Procedure ............................................................................................................. 77

L.5 Calculations .......................................................................................................... 77

Annex M (normative) Cycling ............................................................................................... 78

M.1 Background........................................................................................................... 78

M.2 Test outcomes ...................................................................................................... 78

M.3 Related tests......................................................................................................... 78

M.4 Procedure ............................................................................................................. 78

M.4.1 General ......................................................................................................... 78

M.4.2 Equipment requirements ................................................................................ 78

M.4.3 Test prerequisites .......................................................................................... 79

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IEC TS 62257-12-1:2020 © IEC 2020 – 5 –

M.4.4 Apparatus ...................................................................................................... 79

M.4.5 Procedure ...................................................................................................... 79

M.5 Calculations .......................................................................................................... 79

M.6 Reporting .............................................................................................................. 80

Annex N (normative) Mechanical durability .......................................................................... 81

N.1 Background........................................................................................................... 81

N.2 Test outcomes ...................................................................................................... 81

N.3 Related tests......................................................................................................... 82

N.4 Procedures ........................................................................................................... 82

N.4.1 General ......................................................................................................... 82

N.4.2 Shipping vibration test ................................................................................... 82

N.5 Reporting .............................................................................................................. 83

Annex O (normative) Physical ingress and water protection ................................................. 84

O.1 Background........................................................................................................... 84

O.2 Test outcomes ...................................................................................................... 84

O.3 Related tests......................................................................................................... 85

O.4 Procedure ............................................................................................................. 85

O.5 Reporting .............................................................................................................. 85

Annex P (normative) Power consumption and power quality ................................................ 86

P.1 Background........................................................................................................... 86

P.2 Test outcomes ...................................................................................................... 86

P.3 Related tests......................................................................................................... 86

P.4 Procedure ............................................................................................................. 86

P.4.1 DC power ...................................................................................................... 86

P.4.2 AC power....................................................................................................... 87

P.5 Reporting .............................................................................................................. 89

Bibliography .......................................................................................................................... 90

Figure 1 – Recommended sequence of testing for QTM ........................................................ 38

Figure H.1 – Test configuration ............................................................................................. 65

Figure M.1 – Plot of cycle life for 6 samples .......................................................................... 80

Figure P.1 – Test configuration for the AC power consumption and power quality test if

an external power meter is used ........................................................................................... 88

Table 1 – Applications of product specifications .................................................................... 23

Table 2 – Truth-in-advertising tolerance ................................................................................ 25

Table 3 – Safety and durability standards ............................................................................. 25

Table 4 – Power quality standards for AC products ............................................................... 26

Table 5 – End-user support standards .................................................................................. 27

Table 6 – End-user support requirements ............................................................................. 27

Table 7 – Lighting service criteria for performance assessment ............................................ 27

Table 8 – Truth-in-advertising criteria for quality standards ................................................... 29

Table 9 – Notes on common truth-in-advertising aspects ...................................................... 29

Table 10 – Safety and durability criteria for quality standards ............................................... 30

Table 11 – Recommended level of water protection by product category ............................... 32

Table 12 – Power quality criteria for quality standards .......................................................... 32

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– 6 – IEC TS 62257-12-1:2020 © IEC 2020

Table 13 – End-user support criteria for quality standards .................................................... 33

Table 14 – Criteria for warranty standards ............................................................................ 33

Table 15 – Lighting service criteria for performance assessment .......................................... 34

Table 16 – Lighting service benchmarks ............................................................................... 35

Table 17 – Applications of QTM results ................................................................................. 36

Table 18 – QTM testing requirements ................................................................................... 37

Table 19 – Applications of MCM results ................................................................................ 41

Table 20 – MCM testing requirements ................................................................................... 42

Table A.1 – Truth-in-advertising tolerance ............................................................................ 46

Table A.2 – Safety and durability standards .......................................................................... 46

Table A.3 – Power quality standards for AC products ............................................................ 47

Table A.4 – End-user support requirements .......................................................................... 47

Table A.5 – Lighting service criteria for performance assessment ......................................... 48

Table C.1 – Manufacturer self-reported information outcomes............................................... 50

Table D.1 – Product sampling outcomes ............................................................................... 51

Table F.1 – Visual screening test outcomes .......................................................................... 54

Table H.1 – Standard operating voltage for several nominal system voltages ........................ 65

Table H.2 – Voltage and current reporting requirements ....................................................... 67

Table I.1 – Light output test outcomes .................................................................................. 68

Table J.1 – Light distribution test outcomes .......................................................................... 70

Table K.1 – Input voltage range test outcomes ..................................................................... 72

Table K.2 – Recommended operating voltage range and maximum allowable voltage

by nominal operating voltage ................................................................................................ 74

Table K.3 – Example table of operating voltage, current, voltage at DUT, and relative

light output ............................................................................................................................ 76

Table L.1 – Lumen maintenance test outcomes .................................................................... 77

Table M.1 – Cycling test outcomes ....................................................................................... 78

Table N.1 – Mechanical durability test outcomes ................................................................... 81

Table O.1 – Water exposure and physical ingr
...

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