DoE Level VI: Getting Your Measurement Technique Right

Focus:

For those looking to qualify their external power supply (EPS) products to the DoE’s new Level VI standard for energy efficiency for EPSs, this short article summarizes the test requirements, while pointing out various important details and potential pitfalls of the requirements. It includes practical tips on the required test conditions and test instrument capabilities. The author works for an adapter vendor and this article reads like lessons learned by an EPS maker. The discussion of Level VI requirements is preceded by a summary of the changes in the Level VI version of the standard versus the previous, Level V version.

What you’ll learn:

• How to measure power supply efficiency in accordance with the new requirements of the DoE’s Level VI efficiency standard for external power supplies

Notes:

Also see "External Power Supplies And The New Level VI Specifications: Evolution Or A Different Species?"

View the Source

Author & Publication:

Lorenzo Cividino, SL Power Electronics, Design News, Apr 20 2016

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