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A review on variable inductors and variable transformers: Applications to lighting drivers

Perdigão, M. ; Menke, M. F. ; Seidel, A. R. Seidel ; A. Pinto, R. A. Pinto ; Álvarez, J.

A review on variable inductors and variable transformers: Applications to lighting drivers, Proc IEEE Industry Application Society Annual Meeting, Vancouver, Canada, Vol. xx, pp. xx - xx, October, 2014.

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Abstract
This paper presents a literature review on magnetically-controlled devices, variable inductors and variable transformers, and their applications in lighting gear. It describes the fundamentals and basic operating principle of such devices. Then, it focus on the review of specific techniques and circuits taking advantage of the presence of a controlled inductance value, by covering recent applications regarding discharge and solidstate lamp drivers.