NDLI: Design considerations for optimum ignition and dimming of fluorescent lamps using a resonant inverter operating open loop

Content Provider	IEEE Xplore Digital Library
Author	Ribas, J. Alonso, J.M. Corominas, E.L. Calleja, A.J. Rico-Secades, M.
Copyright Year	1998
Description	Author affiliation: Dpto. de Ingenieria Electr. y Electron., Oviedo Univ., Spain (Ribas, J.)
Abstract	The design of dimming electronic ballasts for fluorescent lamps has to be made taking into account that fluorescent lamp life is greatly affected by the starting scenario and by how the filament heating current is varied during dimming operation. Another important aspect is that the ballast should provide a wide stable control range of the output power, some applications require dimming down the output power to less than 20% of the nominal value. One of the most commonly used topologies for driving fluorescent lamps is the resonant half bridge inverter. In this topology, the starting scenario and the stable dimming range depends on both the control parameter selected and the control strategy used. This paper focuses on the LCC series-parallel resonant inverter. Different design and control methodologies are analyzed from the point of view of the starting scenario and the stable control range obtained. Generalized characteristics are obtained to simplify the design of the resonant tank, including operating points where the fundamental approach gives no accurate results. Finally, the theoretical and practical results obtained using the different control strategies are compared.
Starting Page	2068
Ending Page	2075
File Size	697358
Page Count	8
File Format	PDF
ISBN	0780349431
ISSN	01972618
DOI	10.1109/IAS.1998.729939
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-10-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bridges Electronic ballasts Design methodology Heating Ignition Resonance Topology Fluorescent lamps Power generation Resonant inverters
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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