Applications of DC Motors: A dc motor in spite of its high cost as compared to an induction motor is still competitive in applications requiring control speed as its speed can be varied over a wide range by (i) fi eld control, (ii) armature control, or (iii) a combination of the two.
dc MOTOR APPLICATIONS
The dc motors have high starting torque compared to induction motor; hence, there is faster load
deceleration.
Shunt Motor Applications
Medium starting torque; speed regulation 5–15%.
Application: centrifugal pumps, conveyors, machine tools, printing presses, etc.
Series Motor Applications
High torque at low speed and low torque at high speed; high starting torque (as much as 5 T (fl )); good speed control possible.
Application: traction, hoists, crane, battery-powered vehicles, etc.
Compound Motor Applications
Differentially compound motor is ideally suited for pulsating loads (needing fl ywheel action).
Application: Rolling mill, etc
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Read more on DC Machines
- Armature Reaction MCQ|DC Generator MCQ Questions|DC machines
- DC Machines Questions and Answers|DC Machines MCQ
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- Armature Reaction in DC Machines|Cross Magnetization and Demagnetization
- 50 MCQ questions on DC Motor|Electrical Machines MCQ Questions and answers|DC Motor MCQ
- MCQs on DC Motor Tests|Tests on DC Motor Objective Questions
- Speed Control of D.C Motor MCQ Questions|Objective Questions on DC Motor Speed Control
- DC motor objective questions for Industrial extension officer ssc JE Electrical
- Speed Control of DC Motor|Shunt, Series, Compound DC Motor Speed control
- Efficiency of DC Motors with Example
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