Testing Compliance to Energy Efficiency Standards
by no presenter specified, Power Integrations, Vendor website, Oct 29 2009
Focus:
Approximately 12 minute in length, this video presents a detailed procedure for testing the compliance of an external power supply with various global standards for energy efficiency. This can be used for pre-compliance testing prior to sending a power supply for the official tests. The test method is that cited by the U.S. DoE's Energy Star program, the California Energy Commission (CEC), and the European Commission Code of Conduct. Instructions include how to set up test equipment to achieve accurate results (and an explanation of what level of accuracy is required), measure input and output power, calculate efficiency from power measurements, determine the power rating of the supply under test, and use PI's Efficiency Compliance Calculator to check compliance with energy efficiency standards. Important details are included such as how to achieve thermal equilibrium before measurement, how to account for energy stored in the input bulk capacitor when measuring no-load power, and how to round the results of your calculations. Supplemental course notes provide a transcript of the video and extras such as how to calculate the integral input power of a power supply when input power varies over time.
What you’ll learn:
- How to test compliance of an external power supply with Energy Star, CEC, and European Commission Code of Conduct requirements for energy efficiency
- How to accurately measure the no-load power consumption and the active-mode efficiency of external power supplies
Notes:
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