NDLI: A Novel Single-Stage High-Power-Factor Electronic Ballast with Symmetrical Half-Bridge Topology

Content Provider	IEEE Xplore Digital Library
Author	Chien-Ming Wang Chien-Yeh Ho
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., National Han Univ., Taiwan (Chien-Ming Wang)
Abstract	This paper proposes a novel single-stage high-power-factor electronic ballast with symmetrical half-bridge topology for fluorescent lamps. The proposed electronic ballast only uses a symmetrical half-bridge topology to procure the functions of a boost power-factor-correction converter and a half-bridge series parallel-loaded inverter. In spite of its simplicity, an excellent performance concerning load and supply is achieved, ensuring a sinusoidal and in phase supply current. The conventional electronic ballast circuit has larger conduction losses because its power factor correction (PFC) power flow path circuit always includes two diode losses from the front-end bridge rectifier and one power switch loss. The PFC power flow path of the proposed circuit has only two conduction drops in the current flow paths. Therefore, it can provide lower conduction loss than the conventional one. The design equations are derived from the analyzed results based on fundamental approximation, and then an easy-to-use design tool is provided accordingly under considerations of filament heating and ignition. A prototype circuit designed for one 40-W fluorescent lamps operating at 40-kHz switching frequency and 110-V line voltage is built and tested to verify the analytical predictions
Sponsorship	China Electrotechnical Soc. IEEE Power Electron. Soc
Starting Page	1
Ending Page	5
File Size	5721521
Page Count	5
File Format	PDF
ISBN	1424404487
DOI	10.1109/IPEMC.2006.4778351
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electronic ballasts Circuit topology Fluorescent lamps Load flow Circuit testing Inverters Current supplies Power factor correction Diodes Bridge circuits PFC electronic ballast single stage
Content Type	Text
Resource Type	Article

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