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Which of the following motors has two separate windings on the motor ?
- a)Repulsion motor
- b)Repulsion induction motor
- c)Repulsion start induction run motor
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following motors has two separate windings on the motor ?...
A repulsion induction motor is a type of motor that has two separate windings on the motor. It consists of a stator winding and a rotor winding.
The stator winding is similar to that of a standard induction motor and is responsible for creating a rotating magnetic field. The rotor winding, on the other hand, is a special winding arrangement that provides the motor with starting torque and improves its performance.
The repulsion induction motor operates in a unique manner. At startup, the rotor winding is connected in a way that it acts as a repulsion motor, where brushes and commutators are used to provide the necessary starting torque. Once the motor reaches a certain speed, the rotor winding is short-circuited, and the motor operates as an induction motor, taking advantage of the rotating magnetic field created by the stator winding.
Therefore, out of the options given, the repulsion induction motor (option B) is the one that has two separate windings on the motor.
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Which of the following motors has two separate windings on the motor ?...
Repulsion Induction Motor
Repulsion induction motors have two separate windings on the motor, making them the correct option from the given choices.
Explanation:
Construction:
- A repulsion induction motor consists of two windings, one is the main winding, and the other is the auxiliary winding.
- The main winding is a repulsion winding, and the auxiliary winding is an induction winding.
- Both windings are placed in the stator of the motor.
Operation:
- When the motor is started, both windings are energized.
- The repulsion winding creates a magnetic field that causes the rotor to rotate.
- As the rotor gains speed, the motor automatically switches from repulsion to induction mode.
- The motor then operates as an induction motor with the help of the auxiliary winding.
Advantages:
- Repulsion induction motors provide high starting torque.
- They have a simple and robust construction.
- These motors are suitable for applications where high starting torque is required.
Applications:
- Repulsion induction motors are commonly used in applications such as air compressors, conveyors, and pumps.
In conclusion, the repulsion induction motor is the type of motor that has two separate windings - a repulsion winding and an induction winding. It offers high starting torque and is suitable for various industrial applications.
Repulsion induction motors have two separate windings on the motor, making them the correct option from the given choices.
Explanation:
Construction:
- A repulsion induction motor consists of two windings, one is the main winding, and the other is the auxiliary winding.
- The main winding is a repulsion winding, and the auxiliary winding is an induction winding.
- Both windings are placed in the stator of the motor.
Operation:
- When the motor is started, both windings are energized.
- The repulsion winding creates a magnetic field that causes the rotor to rotate.
- As the rotor gains speed, the motor automatically switches from repulsion to induction mode.
- The motor then operates as an induction motor with the help of the auxiliary winding.
Advantages:
- Repulsion induction motors provide high starting torque.
- They have a simple and robust construction.
- These motors are suitable for applications where high starting torque is required.
Applications:
- Repulsion induction motors are commonly used in applications such as air compressors, conveyors, and pumps.
In conclusion, the repulsion induction motor is the type of motor that has two separate windings - a repulsion winding and an induction winding. It offers high starting torque and is suitable for various industrial applications.
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Which of the following motors has two separate windings on the motor ?a)Repulsion motorb)Repulsion induction motorc)Repulsion start induction run motord)None of the aboveCorrect answer is option 'B'. Can you explain this answer?
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