What is the generalized internal power supply efficiency test protocol?

The generalized internal power supply efficiency test protocol effort was sponsored by California Energy Commission Public Interest Energy Research (PIER) Program in 2004. In 2007, the server test protocol was developed which was derived from the generalized power supply efficiency test protocol.

Are storage power supplies energy efficient?

Some of the storage power supplies may have additional outputs as an exception. Measurement of power supply efficiency as an indicator of good energy efficient designs is inaccurate if the power to internal system fans is included. This protocol will address Storage system power supplies in the same manner as single-output server power supplies.

What is a storage system power supply?

Storage system power supplies are different than the single- or multi- output power supplies. They typically are two voltage rail systems (meeting neither single-output nor multi-output definitions) and include a fan(s) that provide cooling air for the storage system as well as the power system.

What should be recorded in a power supply test?

7. Measurement Procedures Record all the input and output specifications of the ac-dc or dc-dc power supply provided by the manufacturer in the power supply specification sheet. These may include one or more of the following specifications: Record the ambient temperature at the site of the test.

Is power supply efficiency a good indicator of energy efficient design?

Measurement of power supply efficiency as an indicator of good energy efficient designs is inaccurate if the power to internal system fans is included. This protocol will address Storage system power supplies in the same manner as single-output server power supplies. Testing will be done at 230Vac, 60Hz Input.

Where are internal power supplies located?

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 with multiple output voltages: +12 V, +5 V, +3.3 V, and -12 V (See Appendix B).