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Small DC motor irreversible speed regulation circuit three

Source: InternetPublisher:念慈菴 Keywords: DC motor reversible speed regulation speed regulation circuit BSP Updated: 2020/11/30

85. Small<strong>DC motor</strong> non<strong>reversible speed regulation</strong> circuit three.gif

It adopts a resistor-capacitor bridge trigger circuit, controlled by two thyristors, and is suitable for
constant torque loads that do not require high accuracy. In the figure, KI is an overcurrent relay, and KA is a voltage loss relay for loss of excitation protection. Adjust
the master potentiometer RP to change the speed of the motor.

 

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