One of the irreversible speed regulation circuits for small DC motors
Source: InternetPublisher:睡不醒的小壮 Keywords: DC motor reversible speed regulation speed regulation circuit BSP Updated: 2021/07/09
It is a regulating circuit for a small-power DC motor with a rated voltage of 110V . The speed adjustment range is about 5:1, which can be used
in situations where the accuracy is not high and the load changes little.
In the figure, the start-up delay link is composed of resistor and capacitor C2. Adjusting the potentiometer RP can change
the amount of voltage negative feedback, so that the armature voltage can change within a certain range.
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