Specifies a test method for determining the energy efficiency of transformers and electronic step-down convertors used with extra-low voltage (ELV) lamps.
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Exclusion
2 Referenced documents
3 Definitions
4 General conditions for test and measurement
4.1 General
4.2 Rounding
4.3 Test room
4.4 Test voltage
4.5 a.c. reference source
4.6 Test lamps
4.7 Thermocouple and temperature indicator
4.8 Measuring instrument
5 Compatibility with electronic dimmer switches
6 Tests
6.1 Preparing EUT for test
6.2 Load conditions
6.3 Load test procedure
6.3.1 Full load test
6.3.2 No-load test
6.3.3 Special load test
6.3.4 Data report
6.4 Efficiency determination
6.5 Power consumption determination
7 Energy performance mark
Appendix A
A1 Requirement
A2 Design of the energy performance mark
Appendix B
B1 Introduction
B2 Equations
Appendix C
C1 Example 1—88 kHz Converter with measured spectral output power
C2 Example 2—35 kHz
Appendix D
D1 General
D2 Information
Appendix E
Appendix F
Cited references in this standard
Content history
AS/NZS 4879.1:2008 Rec:2017
DR 07275
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