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Energies 2012, 5(12), 5453-5466; doi:10.3390/en5125453

Power Quality and Harmonic Analysis of End User Devices

*  and
Department of Energy, Politecnico di Milano, Via La Masa 34, Milan 20156, Italy
* Author to whom correspondence should be addressed.
Received: 8 October 2012 / Revised: 13 December 2012 / Accepted: 14 December 2012 / Published: 19 December 2012
(This article belongs to the Special Issue Smart Grid and the Future Electrical Network)
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Among the non-linear loads used in household, Compact Fluorescent Lamps (CFLs) and LED lamps are becoming more widespread, while incandescent lamps are intended to be replaced by these types of lighting devices. LEDs and CFLs are significantly more efficient and economical than incandescent lamps, and are expected to be used in 100% of residential lighting in the future. As nonlinear loads, LEDs and CFLs produce highly distorted currents. A large number of customers using LEDs or CFLs for domestic, commercial and industrial lighting could determine important Power Quality problems. The paper reports experimental measurement results regarding Power Quality in indoor lighting systems. The harmonic absorptions of several types of luminaries are analyzed, highlighting the impact behavior of different lamps function of used luminaries’ technologies. The recorded harmonic absorption allows characterizing the harmonic spectrum variability of the investigated lamps.
Keywords: lamps; energy savings; experimental measurements; harmonics; power quality lamps; energy savings; experimental measurements; harmonics; power quality
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Dolara, A.; Leva, S. Power Quality and Harmonic Analysis of End User Devices. Energies 2012, 5, 5453-5466.

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