Question
Download Solution PDFFor which of the following applications is the three-phase induction NOT suitable?
This question was previously asked in
MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper
Answer (Detailed Solution Below)
Option 3 : To drive a turbine
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MPPGCL JE Electrical Full Test 1
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Detailed Solution
Download Solution PDFThree-Phase Induction Motors:
- These motors operate based on electromagnetic induction, where the rotating magnetic field in the stator induces a current in the rotor, causing rotation.
- They provide constant speed (synchronous speed minus slip) and high starting torque, making them ideal for loads like conveyor belts, compressors, and pumps.
- A three-phase induction motor is widely used in applications requiring constant speed and high torque, such as conveyor belts, compressors, and pumps.
- Turbines are usually prime movers, not driven loads. However, turbines are generally driven by high-speed steam, gas, or water flow, rather than by electric motors. Instead, turbines are often used to generate electricity rather than being driven by an electric motor.
Applications of Three-Phase Induction Motors:
- Conveyor belts → Require constant-speed operation and good torque control.
- Compressors → Used in HVAC systems, industrial air supply, and refrigeration.
- Pumps → Common in water supply, oil refineries, and chemical industries.
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