NDLI: Two-stage electronic ballast for metal halide lamps with embedded buck-conversion and ignition circuit

Content Provider	IEEE Xplore Digital Library
Author	Moo, C.S. Huang, C.K. Lee, K.H. Huang, D.J.
Copyright Year	2009
Description	Author affiliation: Electrical Engineering Department, Natl. Sun Yat-sen Univ., Kaohsiung, Taiwan 80424, R. O. C. (Moo, C.S.; Huang, C.K.; Lee, K.H.; Huang, D.J.)
Abstract	A novel electronic ballast with a repeatedly resonating ignition circuit is proposed for metal halide lamp (MHL). The proposed electronic ballast features a two-stage structure that comprises a power factor corrector and a full-bridge inverter used for current control, filtering and ignition. The full-bridge inverter consists of a low-frequency leg with unilateral switches and a high- frequency leg with bidirectional switches. During starting, the low-frequency side performs repetitive resonance on a resonant energy tank to accumulate a high ignition voltage. At the steady state, the resonant energy tank serves as a filter to drive the lamp with a low-frequency square-wave current. A prototype is designed for 150-W metal halide lamps. Experimental results demonstrate that the proposed electronic ballast is capable of tackling the demanding staring transient and steady state operation.
Starting Page	895
Ending Page	899
File Size	667545
Page Count	5
File Format	PDF
ISBN	9781424446810
DOI	10.1109/ISIEA.2009.5356319
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-04
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electronic ballasts Metal halide lamp Circuits Lamps Ignition Switches Ignition Circuit Inverters Steady-state Leg Electronic ballast Reactive power Resonance
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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