Luminaires for outdoor use are subjected to mechanical vibrations, mainly due to wind, that can generate stress conditions on the devices and affect their reliability performance. The effects of such vibrations on the luminaires can impact both the fixing systems and the device's components; in the last case, such effects can be divided into electrical type failures (LED control gear failure, electronic components failure, etc.) and optical type failures (breakage or detachment of the optics placed on the LED). Starting from the study of international standards concerning vibration tests for luminaires, and from scientific literature, several laboratory tests have been performed to verify the behaviour of equipment subjected to wind induced vibrations. After that, a new test profile applicable to luminaires for outdoor use has been proposed. In order to establish properly wind induced vibration levels and optimize luminaires testing costs.
A new approach to test outdoor luminaires based on wind induced vibrations / Catelani M.; Ciani L.; Singuaroli R.; D'Emilia G.; Signorini L.; Biliotti V.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - ELETTRONICO. - 1065:(2018), pp. 1-4. (Intervento presentato al convegno 22nd World Congress of the International Measurement Confederation, IMEKO 2018 tenutosi a Belfast Waterfront Conference and Exhibition Centre, UK nel 3 September 2018 through 6 September 2018) [10.1088/1742-6596/1065/10/102006].
A new approach to test outdoor luminaires based on wind induced vibrations
Catelani M.;Ciani L.
;Singuaroli R.;
2018
Abstract
Luminaires for outdoor use are subjected to mechanical vibrations, mainly due to wind, that can generate stress conditions on the devices and affect their reliability performance. The effects of such vibrations on the luminaires can impact both the fixing systems and the device's components; in the last case, such effects can be divided into electrical type failures (LED control gear failure, electronic components failure, etc.) and optical type failures (breakage or detachment of the optics placed on the LED). Starting from the study of international standards concerning vibration tests for luminaires, and from scientific literature, several laboratory tests have been performed to verify the behaviour of equipment subjected to wind induced vibrations. After that, a new test profile applicable to luminaires for outdoor use has been proposed. In order to establish properly wind induced vibration levels and optimize luminaires testing costs.
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