Single-phase motor thyristor stepless speed regulation circuit three
Source: InternetPublisher:刘德华河北分华 Keywords: Stepless speed regulation thyristor motor speed regulation circuit Updated: 2020/11/19
The circuit is shown in Figure 3-12. It has stepless speed regulation and timing control functions. When switch S is placed in the "1" position, press
button SB and the motor will start running. After a period of delay, the motor will automatically stop. Adjust the potentiometer
RPz to change the timing time (5-60min). When S is placed in the "Z" position, it is a stepless speed circuit. By adjusting RPi, the speed of the motor
can be continuously changed . Mainly realized through 555 time base integrated circuit A.
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