Performance changes of energy saving lamps under lumen maintenance and switching stress test 2016 (English)In: 2016 IEEE Industry Applications Society Annual Meeting, 2016, article id 7731893Conference 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.

Place, publisher, year, edition, pages

2016. article id 7731893

Keywords [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: 978-1-4799-8397-1 (electronic)OAI: oai:DiVA.org:ri-27687DiVA, id: diva2:1059079

Conference

52nd Annual Meeting on IEEE Industry Application Society (IAS 2016), October 2-6, 2016, Portland, US

Note

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Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2020-12-01Bibliographically approved

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