boost Why should I worry about a motor causing my supply voltage to shoot up when the back-EMF cant exceed the supply voltage


Posted on Feb 5, 2014

In motor control circuits, one must take precautions to keep the motor from feeding back into the power supply, causing the supply voltage to rise, consequently breaking things. But how can this be Unless some external force is accelerating the motor, the back-EMF can never get higher than the supply voltage. How then could it ever drive the supply voltage higher


boost Why should I worry about a motor causing my supply voltage to shoot up when the back-EMF cant exceed the supply voltage
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