An Electrode Power Control Scheme for Dimmable Electronic Ballasts

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)1335-1337
Journal / PublicationIEEE Transactions on Industrial Electronics
Issue number6
Publication statusPublished - Dec 2003


A novel electrode power control scheme for dimmable ballasts is proposed. Dimming of the fluorescent lamp and control of electrode power are achieved by simultaneously adjusting the dc-link voltage and the switching frequency of the output inverter. The electrode power is derived by considering the near-orthogonal property of the lamp current and the resonant tank circuit current.

Research Area(s)

  • Electrode power control, Electronic ballasts, Fluorescent lamps