AS/NZS 5814.1:2012

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Information technology equipment – Energy performance of internal power supplies – Methods of measurement of energy performance

Published By	Publication Date	Number of Pages
AS	2012-07-17	41

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Category: AS

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Description

This document specifies a test procedure for calculating the energy efficiency of internal a.c.–d.c. and d.c.–d.c. power supplies.
First published as AS/NZS 5814.1:2012

Scope

This document specifies a test procedure for calculating the energy efficiency of internal a.c.–d.c. and d.c.–d.c. power supplies. Internal power supplies are located in the same housing as the product that they power. An example of this type of power supply is a desktop computer power supply that has multiple output voltages: 12 V, 5 V, 3.3 V, and (12 V (see Appendix B).
The test method in this document applies specifically to power supplies that meet the following criteria:
Power supplies that have detailed input and output ratings on their nameplate or in available literature from their manufacturer, specifying the maximum loads that can safely be placed on each individual d.c. output voltage bus and, where necessary, groupings of those voltage busses.
Power supplies that have connectors that allow the d.c. output voltage busses to be connected and disconnected from the powered product non-destructively.
Power supplies that can be detached from the housing of the product they power without causing harm to other circuits and components of the product.
This Standard also specifies the following:
(i) Internal power supply types.
(ii) Terminology used in the test method.
(iii) Information required for test reports.

Additional information