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An analysis of harmonic emission from compact fluorescent lamps

The main emphasis of this paper is on analyzing the harmonics generated from compact fluorescent lamps (CFLs). Laboratory tests on various CFLs were conducted to tap the load current behavior under different conditions. Then frequency domain analysis is performed to investigate the generated harmonics from CFLs. Harmonic levels of dimmable and non dimmable CFLs are experimentally evaluated and compared. The performance of dimmable CFLs and incandescent lamps at various brightness is also investigated. The results show that the dimmable CFLs produce more harmonics compared to incandescent lamps and non dimmable CFLs.