Use of DC motor in point
Answers
Answer:
Small DC motors are used in tools, toys, and appliances. The universal motor can operate on direct current but is a lightweight brushed motor used for portable power tools and appliances. Larger DC motors are currently used in propulsion of electric vehicles, elevator and hoists, and in drives for steel rolling mills.
Explanation:
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Answer:
In the present day world, electrical energy is generated in bulk in the form of an alternating current. Hence, the use of DC machines, i.e., DC generators and motors are very limited. They are mainly used in supplying excitation of small and medium-range alternators. The Industrial Applications of DC Machines are in Electrolytic Processes, Welding processes and Variable speed motor drives.
Explanation:
The direction of the mechanical force produced when we place a current-carrying conductor in a magnetic field is determined by Fleming’s left-hand rule.
Advantages of DC motor
DC motor has many advantages like:
Low cost.
Simple and efficient design.
Easy to maintain and service.
Small converters and drives.
High power density.
Full torque at zero speed.
Varying speed easily.
And less inertia.
Working principle of DC motor
The stator of the DC motor is a permanent magnet and it provides us with a constant magnetic field, and the rotating part is the armature and it’s a simple coil.