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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 |
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