SCR phase shifting control circuit with small conduction angle

Published:2011/4/18 9:51:00 Author:Nicole | Keyword: SCR, phase shifting control, conduction angle | From:SeekIC

This circuit is a single phase half wave rectification citcuit,which can drive load RL0. The control angle changes between 2°~60° through adjusting 50kΩ potentiometer. The resistance R is decided by the using SCR gate parameter, and the SCR parameter depends on load. If the load resistance is 135Ω, then the output power is 135Ω, SCR peak current is 2.3A, the resistance should be 390Ω.



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