Electrical Engineering (EE) Exam > Electrical Engineering (EE) Questions > In induction motor, the air gap power is alge...
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In induction motor, the air gap power is algebraic sum of:
- a)rotor copper losses and total mechanical power developed
- b)rotational losses and copper losses
- c)stator copper losses and total mechanical power developed
- d)stator losses and stator input
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
In induction motor, the air gap power is algebraic sum of:a)rotor copp...
Explanation:
Induction Motor Air Gap Power:
- The air gap power in an induction motor is the power transferred across the air gap between the stator and rotor.
Components of Air Gap Power:
- The air gap power is the algebraic sum of rotor copper losses and total mechanical power developed.
- Rotor copper losses refer to the power lost due to resistance in the rotor windings.
- Total mechanical power developed is the power output of the motor in the form of mechanical work.
Significance of Components:
- The rotor copper losses represent the electrical losses in the rotor, while the total mechanical power developed indicates the useful output power of the motor.
Calculation of Air Gap Power:
- The air gap power can be calculated by summing up the rotor copper losses and the total mechanical power developed.
- This equation helps in understanding the energy flow within the motor and assessing the efficiency of the motor system.
Conclusion:
- In an induction motor, the air gap power is a crucial parameter that accounts for the energy transfer within the motor system. By considering the rotor copper losses and total mechanical power developed, engineers can analyze the performance and efficiency of the motor.
Induction Motor Air Gap Power:
- The air gap power in an induction motor is the power transferred across the air gap between the stator and rotor.
Components of Air Gap Power:
- The air gap power is the algebraic sum of rotor copper losses and total mechanical power developed.
- Rotor copper losses refer to the power lost due to resistance in the rotor windings.
- Total mechanical power developed is the power output of the motor in the form of mechanical work.
Significance of Components:
- The rotor copper losses represent the electrical losses in the rotor, while the total mechanical power developed indicates the useful output power of the motor.
Calculation of Air Gap Power:
- The air gap power can be calculated by summing up the rotor copper losses and the total mechanical power developed.
- This equation helps in understanding the energy flow within the motor and assessing the efficiency of the motor system.
Conclusion:
- In an induction motor, the air gap power is a crucial parameter that accounts for the energy transfer within the motor system. By considering the rotor copper losses and total mechanical power developed, engineers can analyze the performance and efficiency of the motor.
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Community Answer
In induction motor, the air gap power is algebraic sum of:a)rotor copp...
Power flow in induction motor:
From the above diagram, the air gap power is the algebraic sum of rotor copper losses and total mechanical power developed.
Pg = Pc + Pm
Also, Pg : Pc : Pm = 1 : s : 1 - s
where, Pg = Air gap power
Pc = Rotor copper loss
Pm = Mechanical power developed
s = Slip
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In induction motor, the air gap power is algebraic sum of:a)rotor copper losses and total mechanical power developedb)rotational losses and copper lossesc)stator copper losses and total mechanical power developedd)stator losses and stator inputCorrect answer is option 'A'. Can you explain this answer?
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