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	A Cost Effective Short Circuit Proof Light Dimmer	[View]   [Download]
Author(s)	J.-M. Charreton
Abstract	Power in conventional light dimmer circuits is controlled by TRIACS. They require a serial inductor for EMI filtering and a fuse to protect them against overload and short circuit. This paper describes a soft dimmer based on the use of an IGBT as a turn-off controllable switch. This allows to control the current switching slope, cancelling by the way, the serial inductor and its associated acoustical noise.
Download	Filename: Unnamed file Filesize: 447.6 KB
Type	Members Only
Date	Last modified 2006-04-19 by System