Explain the prinExplain the principle of torque production in a DC motor?ciple of torque production in a DC motor?
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Answer:
When a DC machine is loaded either as a motor or as a generator, the rotor conductors carry current. These conductors lie in the magnetic field of the air gap. Thus each conductor experiences a force. The conductors lie near the surface of the rotor at a common radius from its center. Hence torque is produced at the circumference of the rotor and rotor starts rotating. The term torque as best explained by Dr. Huge d Young is the quantitative measure of the tendency of a force to cause a rotational motion, or to bring about a change in rotational motion. It is in fact the moment of a force that produces or changes a rotational motion.
The equation of torque is given by,
Where, F is force in linear direction.
R is radius of the object being rotated,
and θ is the angle, the force F is making with R vector