AS/NZS 5814.1:2012
Information technology equipment - Energy performance of internal power supplies - Part 1: Methods of measurement of energy performance
Provides designers, manufacturers, importers, test laboratories, regulators and users of computers with a test method to assess the energy efficiency of this equipment.
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PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 EXCLUSIONS
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 A.C.ŒD.C. power supply
1.4.2 A.C. signal
1.4.3 Ambient temperature
1.4.4 Apparent power (S)
1.4.5 Crest factor
1.4.6 D.C.ŒD.C. power supply
1.4.7 D.C. signal
1.4.8 Efficiency (η)
1.4.9 Enclosed-frame modular internal power supply
1.4.10 Equipment under test (EUT)
1.4.11 Model name
1.4.12 Multiple-output power supply
1.4.13 Open-frame modular internal power supply
1.4.14 Output voltage bus
1.4.15 Product family
1.4.16 Rated a.c. input voltage
1.4.17 Rated a.c. input voltage range
1.4.18 Rated d.c. input voltage
1.4.19 Rated d.c. output current
1.4.20 Rated d.c. output current range
1.4.21 Rated d.c. output power
1.4.22 Rated d.c. output voltage
1.4.23 Rated input frequency
1.4.24 Rated input frequency range
1.4.25 Rated input current
1.4.26 Rated input current range
1.4.27 r.m.s. (root mean square, also R.M.S)
1.4.28 Single model
1.4.29 Single-output power supply
1.4.30 Standby mode
1.4.31 Standby voltage rail (Vsb)
1.4.32 Steady state
1.4.33 Test voltage source
1.4.34 Total harmonic distortion (THD)
1.4.35 True power factor
1.4.36 Voltage unbalance
SECTION 2 GENERAL CONDITIONS FOR MEASUREMENT
2.1 GENERAL
2.2 POWER FACTOR (PF) MEASUREMENT ACCURACY
2.3 POWER MEASUREMENTS
2.3.1 General
2.3.2 Uncertainty, resolution and rounding
2.4 POWER SUPPLY
2.4.1 A.C. input voltage and frequency
2.4.2 D.C. input voltage
2.4.3 A.C. supply voltage waveform
2.5 POWER SUPPLY LOADING
2.6 POWER SUPPLY FAN CONTROL
2.6.1 Power supply fan control through temperature sense (internal control)
2.6.2 Power supply fan control through external voltage signal (external control)
2.6.3 Power supplies with internal system cooling fans
2.6.4 Power supplies requiring external cooling
2.7 TEST D.C. LOADS
2.8 TEST SETUP
2.9 TEST ROOM
2.10 WARM-UP TIME
SECTION 3 LOADING CRITERIA FOR TESTING EFFICIENCY
3.1 GENERAL PROVISIONS
3.2 PROPORTIONAL ALLOCATION METHOD FOR LOADING MULTIPLE AND SINGLE-OUTPUT A.C.ŒD.C. AND D.C.ŒD.C. POWER SUPPLIES
3.2.1 General
3.2.2 Method of proportional allocation based on overall power supply rated d.c. output current with no subgroup ratings
3.2.3 Method of proportional allocation based on overall power supply rated d.c. output current with subgroup ratings
3.2.4 Method of current allocation for measuring the a.c. power consumption of an internal power supply in the standby...
SECTION 4 MEASUREMENT APPROACH
4.1 EUT PREPARATION
4.2 TESTING SEQUENCE
SECTION 5 EFFICIENCY CALCULATION
SECTION 6 TEST REPORT
6.1 GENERAL
6.2 MANDATORY INFORMATION
6.3 OPTIONAL INFORMATION
6.4 RETENTION AND AVAILABILITY OF TEST REPORTS
6.5 SAMPLE TEST REPORT
APPENDIX A - EXAMPLE EFFICIENCY REPORT FOR A MULTI OUTPUT POWER SUPPLY
APPENDIX B - INTERNAL POWER SUPPLY EXAMPLES
APPENDIX C - SERVER POWER SUPPLY EXAMPLES
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Related Information
Energy Efficiency (Energy Using Products) Regulations 2002
Ministry: Ministry of Business Innovation and Employment - Energy Resources and Markets (ERM)
Section: Schedule 1
Citation context:Listed as a testing standard for "deemed to comply" computers
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PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 EXCLUSIONS
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 A.C.ŒD.C. power supply
1.4.2 A.C. signal
1.4.3 Ambient temperature
1.4.4 Apparent power (S)
1.4.5 Crest factor
1.4.6 D.C.ŒD.C. power supply
1.4.7 D.C. signal
1.4.8 Efficiency (η)
1.4.9 Enclosed-frame modular internal power supply
1.4.10 Equipment under test (EUT)
1.4.11 Model name
1.4.12 Multiple-output power supply
1.4.13 Open-frame modular internal power supply
1.4.14 Output voltage bus
1.4.15 Product family
1.4.16 Rated a.c. input voltage
1.4.17 Rated a.c. input voltage range
1.4.18 Rated d.c. input voltage
1.4.19 Rated d.c. output current
1.4.20 Rated d.c. output current range
1.4.21 Rated d.c. output power
1.4.22 Rated d.c. output voltage
1.4.23 Rated input frequency
1.4.24 Rated input frequency range
1.4.25 Rated input current
1.4.26 Rated input current range
1.4.27 r.m.s. (root mean square, also R.M.S)
1.4.28 Single model
1.4.29 Single-output power supply
1.4.30 Standby mode
1.4.31 Standby voltage rail (Vsb)
1.4.32 Steady state
1.4.33 Test voltage source
1.4.34 Total harmonic distortion (THD)
1.4.35 True power factor
1.4.36 Voltage unbalance
SECTION 2 GENERAL CONDITIONS FOR MEASUREMENT
2.1 GENERAL
2.2 POWER FACTOR (PF) MEASUREMENT ACCURACY
2.3 POWER MEASUREMENTS
2.3.1 General
2.3.2 Uncertainty, resolution and rounding
2.4 POWER SUPPLY
2.4.1 A.C. input voltage and frequency
2.4.2 D.C. input voltage
2.4.3 A.C. supply voltage waveform
2.5 POWER SUPPLY LOADING
2.6 POWER SUPPLY FAN CONTROL
2.6.1 Power supply fan control through temperature sense (internal control)
2.6.2 Power supply fan control through external voltage signal (external control)
2.6.3 Power supplies with internal system cooling fans
2.6.4 Power supplies requiring external cooling
2.7 TEST D.C. LOADS
2.8 TEST SETUP
2.9 TEST ROOM
2.10 WARM-UP TIME
SECTION 3 LOADING CRITERIA FOR TESTING EFFICIENCY
3.1 GENERAL PROVISIONS
3.2 PROPORTIONAL ALLOCATION METHOD FOR LOADING MULTIPLE AND SINGLE-OUTPUT A.C.ŒD.C. AND D.C.ŒD.C. POWER SUPPLIES
3.2.1 General
3.2.2 Method of proportional allocation based on overall power supply rated d.c. output current with no subgroup ratings
3.2.3 Method of proportional allocation based on overall power supply rated d.c. output current with subgroup ratings
3.2.4 Method of current allocation for measuring the a.c. power consumption of an internal power supply in the standby...
SECTION 4 MEASUREMENT APPROACH
4.1 EUT PREPARATION
4.2 TESTING SEQUENCE
SECTION 5 EFFICIENCY CALCULATION
SECTION 6 TEST REPORT
6.1 GENERAL
6.2 MANDATORY INFORMATION
6.3 OPTIONAL INFORMATION
6.4 RETENTION AND AVAILABILITY OF TEST REPORTS
6.5 SAMPLE TEST REPORT
APPENDIX A - EXAMPLE EFFICIENCY REPORT FOR A MULTI OUTPUT POWER SUPPLY
APPENDIX B - INTERNAL POWER SUPPLY EXAMPLES
APPENDIX C - SERVER POWER SUPPLY EXAMPLES
AS/NZS 5814.1:2012
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.