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Which motor is generally used in rolling mills, paper and cement industries?
- a)D.C. shunt motor
- b)Double squirrel cage motor
- c)Slip-ring induction motor
- d)Three-phase synchronous motor
Correct answer is option 'D'. Can you explain this answer?
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Which motor is generally used in rolling mills, paper and cement indus...
The important characteristics of the synchronous motor is its constant speed irrespective of the load conditions and variable power factor operation.
Due to constant speed characteristics, it is used in machine tools, motor generator sets, synchronous clocks, stroboscopic devices, timing devices, belt driven reciprocating compressors, fans and blowers, centrifugal pumps, vacuum pumps, pulp grinders, textile mills, paper mills line shafts, rolling mills, cement mills etc.
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Which motor is generally used in rolling mills, paper and cement indus...
Three-phase synchronous motor is generally used in rolling mills, paper, and cement industries. The reasons behind this are explained below under respective headings.
High Starting Torque:
- Three-phase synchronous motor has a high starting torque which is required in rolling mills, paper, and cement industries to start the load and maintain it at a constant speed.
Efficient Operation:
- Three-phase synchronous motor operates efficiently and requires less maintenance as compared to other types of motors. This makes it a suitable choice for the industries where continuous operation is required.
Precise Speed Control:
- Three-phase synchronous motor provides precise speed control, which is essential in rolling mills, paper, and cement industries. The speed of the motor can be easily controlled by changing the frequency of the power supply, which helps in maintaining the quality of the product.
High Power Output:
- Three-phase synchronous motor has a high power output which is required in rolling mills, paper, and cement industries to handle heavy loads.
Smooth Operation:
- Three-phase synchronous motor operates smoothly even at high speeds, which is essential in rolling mills, paper, and cement industries where the equipment is required to operate at a high speed.
Conclusion:
In conclusion, the three-phase synchronous motor is the most suitable motor for rolling mills, paper, and cement industries due to its high starting torque, efficient operation, precise speed control, high power output, and smooth operation.
High Starting Torque:
- Three-phase synchronous motor has a high starting torque which is required in rolling mills, paper, and cement industries to start the load and maintain it at a constant speed.
Efficient Operation:
- Three-phase synchronous motor operates efficiently and requires less maintenance as compared to other types of motors. This makes it a suitable choice for the industries where continuous operation is required.
Precise Speed Control:
- Three-phase synchronous motor provides precise speed control, which is essential in rolling mills, paper, and cement industries. The speed of the motor can be easily controlled by changing the frequency of the power supply, which helps in maintaining the quality of the product.
High Power Output:
- Three-phase synchronous motor has a high power output which is required in rolling mills, paper, and cement industries to handle heavy loads.
Smooth Operation:
- Three-phase synchronous motor operates smoothly even at high speeds, which is essential in rolling mills, paper, and cement industries where the equipment is required to operate at a high speed.
Conclusion:
In conclusion, the three-phase synchronous motor is the most suitable motor for rolling mills, paper, and cement industries due to its high starting torque, efficient operation, precise speed control, high power output, and smooth operation.
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Which motor is generally used in rolling mills, paper and cement industries?a)D.C. shunt motorb)Double squirrel cage motorc)Slip-ring induction motord)Three-phase synchronous motorCorrect answer is option 'D'. Can you explain this answer?
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