DC Motor Stepless Speed Governor Circuit

Published:2011/7/13 7:32:00 Author:Michel | Keyword: Speed Governor Circuit | From:SeekIC

This circuit board circuit is simple, its cost is not high and it is easy to make.The following is simple analysis of the circuit.220 V AC steps down when it flows through transformer T, the P2 rectifier voltage,P2 retifies and V5 constant voltage gets 9V DC voltage and it provides four operational amplifier intergrated chips LM324(Click and Check:four operational amplifier chip LM124 / LM224 / LM324 Chinese material ).P1 rectifier output provides DC motor excitation power supply.P4 rectification gets 0-200V DC by silicon control and realizes motor 0-time speed by connecting motor armature.R1 and C2 are resistance components and they protect controlled silicon.



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