Measurement of actual efficacy of compact fluorescent lamps (CFLs)

Guan, Lisa, Berrill, Trevor, & Brown, Richard J. (2015) Measurement of actual efficacy of compact fluorescent lamps (CFLs). Energy and Buildings, 86, pp. 601-607.

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Abstract

The use of compact fluorescent lamps (CFLs) in domestic residences has increased rapidly due to their higher energy efficiency and longer life expectancy when compared with traditional incandescent light bulbs. Through measurement of illuminance, actual power and apparent power, the actual efficacy and associated power factor of CFLs are studied in this paper. It is found that for an individual CFL, although its power consumption and lighting output (i.e. luminous flux) may be higher or lower than the stated values provided by the lighting manufacturers, the actual efficacy would most likely be equal to or better than the efficacy calculated from the given rated power and lumen from the manufacturers. The typical power factor for CFLs was 0.63.

Impact and interest:

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1 citations in Web of Science®

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ID Code: 81946
Item Type: Journal Article
Refereed: Yes
Keywords: Compact fluorescent lamps (CFLs), lighting efficacy, power consumption, luminous flux, power factor
DOI: 10.1016/j.enbuild.2014.10.068
ISSN: 0378-7788
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 20 Feb 2015 00:37
Last Modified: 22 Feb 2015 22:38

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