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Performance changes of energy saving lamps under lumen maintenance and switching stress test
RISE, SP – Sveriges Tekniska Forskningsinstitut.
RISE, SP – Sveriges Tekniska Forskningsinstitut.
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2016 (English)In: IEEE Industry Application Society, 52nd Annual Meeting: IAS 2016, 2016Conference paper, Published paper (Refereed)
Abstract [en]

White LED lamp are gaining a lot of popularity both on the residential and street lighting markets. Those devices are advertised with a very long lifetime compared to conventional incandescent lamps. A measurement campaign including accelerated ageing and stress test is ongoing in Sweden; parts of the data are joined to data obtained in France. The aim of this paper is to report and analyze which factors can be correlated to LED performance changes. A few commercial lamps were bought anonymously in retail stores; each type comprised 12 samples. A first group undergo long-term lumen maintenance test; the second was stressed by frequent switching (50 000 cycles, 30 seconds on/30 second off); the third and the fourth by frequent cycling (3 000 cycles, 30 minutes on/30 minutes off) at 25 °C and 75°C respectively. The assesment are made based on the change of the lumen, lamp efficiency, Correlated Color Temperature and Color Rendering index of the produced light before and after the test. © 2016 IEEE.

Place, publisher, year, edition, pages
2016.
Keyword [en]
accelerated ageing, color, fluorescence, LED lamps, light flux, phosphors, Energy conservation, Incandescent lamps, Lighting, Retail stores, Color rendering index, Correlated color temperature, Frequent switching, Light fluxes, Lumen maintenance, Measurement campaign, Light emitting diodes
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27687DOI: 10.1109/IAS.2016.7731893Scopus ID: 2-s2.0-85002343448ISBN: 9781467386715 (print)OAI: oai:DiVA.org:ri-27687DiVA: diva2:1059079
Conference
52nd Annual Meeting on IEEE Industry Application Society, IAS 2016, 2 October 2016 through 6 October 2016
Note

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Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2016-12-22Bibliographically approved

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