A Cost Effective Short Circuit Proof Light Dimmer | ||||||
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. |
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Type | Members Only | |||||
Date | Last modified 2006-04-19 by System | |||||
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