Standby power consumption in U.S. residences

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{open_quotes}Leaking electricity{close_quotes} is the electricity consumed by appliances while they are switched {open_quotes}off{close_quote} or not performing their principal function. Leaking electricity represents approximately 5 % of U.S. residential electricity. This is a relatively new phenomenon and is a result of proliferation of electronic equipment in homes. The standby losses in TVs, VCRs, compact audio systems, and cable boxes account for almost 40% of all leaking electricity. There is a wide range in standby losses in each appliance group. For example, standby losses in compact audio systems range from 2.1 to 28.6 W, even though their features are identical. In some ... continued below

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107 p.

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Huber, W. December 1, 1997.

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Description

{open_quotes}Leaking electricity{close_quotes} is the electricity consumed by appliances while they are switched {open_quotes}off{close_quote} or not performing their principal function. Leaking electricity represents approximately 5 % of U.S. residential electricity. This is a relatively new phenomenon and is a result of proliferation of electronic equipment in homes. The standby losses in TVs, VCRs, compact audio systems, and cable boxes account for almost 40% of all leaking electricity. There is a wide range in standby losses in each appliance group. For example, standby losses in compact audio systems range from 2.1 to 28.6 W, even though their features are identical. In some cases, leaking electricity while switched off was only slightly less than energy consumption in the on mode. New features in these appliances may greatly increase leaking electricity, such as electronic program guides in TVs and cable boxes. In the standby mode, these new features require many extra components energized to permit the downloading of information. Several techniques are available to cut standby losses, most without using any new technologies. Simple redesign of circuits to avoid energizing unused components appears to save the most energy. A separate power supply, precisely designed for the actual power needed, is another solution. A switch mode power supply can substitute for the less efficient linear power supply. Switch mode power supplies cut no-load and standby losses by 60-80%. The combination of these techniques can cut leaking electricity by greater than 75%.

Physical Description

107 p.

Notes

OSTI as DE98052726

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  • Other Information: PBD: Dec 1997

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  • Other: DE98052726
  • Report No.: LBNL--41107
  • Grant Number: AC03-76SF00098
  • DOI: 10.2172/589244 | External Link
  • Office of Scientific & Technical Information Report Number: 589244
  • Archival Resource Key: ark:/67531/metadc695930

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  • December 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 5, 2016, 10:49 a.m.

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Huber, W. Standby power consumption in U.S. residences, report, December 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc695930/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.