Articles
This section publishes articles and technical materials on electric motors and their control.
This section publishes articles and technical materials on electric motors and their control.
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The article describes the concept of four-quadrant operation of a DC motor – motoring and braking modes, and considers the speed and torque vectors for four variants of motor operation.
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The article describes in detail the operating principle of a brushless motor, provides an example of the phases switching sequence and calculation of rotor positions for a full 6-stage switching cycle.
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The longread article provides a detailed analysis of DC brushless motor control: examples of commutation - directions and force vectors for motors with different numbers of poles, determining the rotor position using BEMF and Hall sensors.