NDLI: Flicker impact on 150 W HPS Lamps of different ages

Content Provider	IEEE Xplore Digital Library
Author	Maana, M. Ortiz, A. Azcondo, F.J. Diaz, F.J. Gonzalez, F. Renedo, C.
Copyright Year	2007
Description	Author affiliation: Univ. of Cantabria, Santander (Maana, M.; Ortiz, A.)
Abstract	The IEC has standards covering both a flickermeter and a flicker definition. These documents have been adopted in Europe by the CENELEC as EN norms. The limits of the severity of flicker caused by voltage fluctuations is defined in Europe by the standard CENELEC EN 50160. Under normal operating conditions, flicker level measured according to IEC 61000-4-15 will not exceed the long term severity $P_{lt}=1$ during 95% of the time in one week. This threshold was originally established considering that a lamp with tungsten coiled coil filament of 60 W and 230 V that is gas-filled produces a flicker perceivable by 50% of the population when it is supplied with a voltage that verifies $P_{lt}=1.$ Other light sources like fluorescent lamps and discharge lamps with ballasts exhibit a different behavior under the same supply conditions. This means that the flickermeter should be different for each type of illumination technique in order to provide accurate information about flicker phenomena. At the same time, lamp age also plays an important role in flicker generation. The above are the main objections given for not adopting the IEC flickermeter in countries as USA. In this research work, a test system and a methodology able to measure the optical fluctuation produced by different types of lamps and ballast is presented. This experimental platform allows to obtain a correlation between voltage flicker levels and optical flicker perception. It can be considered the first step in the definition of new lamp models. This work also shows that age lamp has a significant correlation with flicker generation.
Starting Page	1
Ending Page	6
File Size	229317
Page Count	6
File Format	PDF
ISBN	9788469094419
DOI	10.1109/EPQU.2007.4424184
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-09
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	LPQI
Subject Keyword	Coils Voltage fluctuations Electronic ballasts IEC standards Europe Tungsten Lamps Time measurement Threshold voltage Light sources
Content Type	Text
Resource Type	Article

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Comparison of flicker sensitivity in HPS lamps

Effects of Flicker on Different Types of 150-W High-Pressure Sodium Lamps and Ballasts

Light flicker of fluorescent lamps with different types of ballasts caused by interharmonics

Light flicker sensitivity of high efficiency compact fluorescent lamps

Decomposition of the IEC flickermeter weighting curves [light flicker due to fluctuating current]

Interharmonic - Flicker Curves of Lamps and Compatibility Lever for Interharmonic Voltages

An Instrument for the Objective Measurement of Light Flicker

Effects of voltage sags on different types of ballasts for 150-W HPS lamps

The Performance Evaluation of IEC Flicker Meters in Realistic Conditions

Flicker impact on 150 W HPS Lamps of different ages

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