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Motor_speed_control_with_tachometer_feedback

2014-11-13 22:59  
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Motor_speed_control_with_tachometer_feedback
This circuit shows a triac motor-speed control that derives feedback from a magnet-coil tachometer that is placed near the motor fan (Figs. 8-17B and 8-17C). Motor speed is controlled by the 5-kΩ pot. The MAC210-4 triac is capable of handling motor loads up to 10 A.