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Reluctance motor
- a)is not a self starting motor
- b)starts as induction motor and runs assynchronous motor
- c)needs no d.c. excitation
- d)all above
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Reluctance motora)is not a self starting motorb)starts as induction mo...
A reluctance motor is a type of electric motor that induces non-permanent magnetic poles on the ferromagnetic rotor. The rotor does not have any windings. It generates torque through magnetic reluctance.
A. Reluctance motors are not self starting
B. Reluctance motors start as induction motor and runs as synchronous motors
C. Reluctance motors needs no DC excitation
A. Reluctance motors are not self starting
B. Reluctance motors start as induction motor and runs as synchronous motors
C. Reluctance motors needs no DC excitation
Most Upvoted Answer
Reluctance motora)is not a self starting motorb)starts as induction mo...
Reluctance motor is an electric motor that operates based on the principle of reluctance. It has a simple and robust construction and is used in various applications such as washing machines, vacuum cleaners, and other small appliances.
Self-starting motor
A self-starting motor is a motor that can start on its own without the need for an external force or assistance. However, reluctance motor is not a self-starting motor. It requires an external force to start the motor.
Induction motor
An induction motor is a type of motor that operates on the principle of electromagnetic induction. The reluctance motor starts as an induction motor and then runs as a synchronous motor.
Synchronous motor
A synchronous motor is a motor that operates at a constant speed with respect to the frequency of the power supply. The reluctance motor runs as a synchronous motor after starting as an induction motor.
DC excitation
The reluctance motor does not require DC excitation to operate. It operates based on the principle of reluctance, which means the motor generates torque due to the tendency of the rotor to align with the stator.
Conclusion
In conclusion, the reluctance motor is not a self-starting motor, starts as an induction motor, and runs as a synchronous motor. It does not require DC excitation to operate.
Self-starting motor
A self-starting motor is a motor that can start on its own without the need for an external force or assistance. However, reluctance motor is not a self-starting motor. It requires an external force to start the motor.
Induction motor
An induction motor is a type of motor that operates on the principle of electromagnetic induction. The reluctance motor starts as an induction motor and then runs as a synchronous motor.
Synchronous motor
A synchronous motor is a motor that operates at a constant speed with respect to the frequency of the power supply. The reluctance motor runs as a synchronous motor after starting as an induction motor.
DC excitation
The reluctance motor does not require DC excitation to operate. It operates based on the principle of reluctance, which means the motor generates torque due to the tendency of the rotor to align with the stator.
Conclusion
In conclusion, the reluctance motor is not a self-starting motor, starts as an induction motor, and runs as a synchronous motor. It does not require DC excitation to operate.
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Reluctance motora)is not a self starting motorb)starts as induction motor and runs assynchronous motorc)needs no d.c. excitationd)all aboveCorrect answer is option 'D'. Can you explain this answer?
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