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In various types of split-phase, 1-phase induction motors, the starting torques produced are in the following descending order.
- a)Capacitor-split, resistance-split, shaded pole
- b)Resistor-split, capacitor-split, shaded pole
- c)Shaded pole, resistor-split, capacitor split
- d)Capacitor-split, resistor-split, shaded pole
Correct answer is option 'A'. Can you explain this answer?
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In various types of split-phase, 1-phase induction motors, the startin...
Shaded pole motor has smallest starting torque and spe e d (1 - 2 rpm) .Tst of capacitor-split phase IM > Tst of resistance-split phase IM.
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In various types of split-phase, 1-phase induction motors, the startin...
Starting torques in various types of split-phase, 1-phase induction motors are produced in the following descending order: capacitor-split, resistance-split, shaded pole.
Explanation:
1. Capacitor-split:
- In a capacitor-split motor, a capacitor is connected in series with the starting winding.
- The capacitor provides a phase shift between the voltage and current in the starting winding, creating a rotating magnetic field.
- This rotating magnetic field produces a higher starting torque compared to other types of split-phase motors.
2. Resistance-split:
- In a resistance-split motor, a starting resistor is connected in series with the starting winding.
- The resistor reduces the current flowing through the starting winding, creating a phase shift between the voltage and current.
- This phase shift produces a lower starting torque compared to a capacitor-split motor.
3. Shaded pole:
- In a shaded pole motor, a copper or aluminum shading coil is placed on a portion of the pole face of the motor.
- When the motor is energized, the shading coil creates a small rotating magnetic field.
- This rotating magnetic field induces currents in the rotor, which in turn produces a starting torque.
- However, the starting torque produced by a shaded pole motor is lower compared to both capacitor-split and resistance-split motors.
In summary, the starting torques produced by different types of split-phase, 1-phase induction motors are in the following descending order: capacitor-split, resistance-split, shaded pole. This is because the capacitor-split motor utilizes a capacitor to create a higher starting torque, while the resistance-split motor relies on a starting resistor for a lower starting torque. The shaded pole motor, on the other hand, generates the lowest starting torque due to the use of a shading coil.
Explanation:
1. Capacitor-split:
- In a capacitor-split motor, a capacitor is connected in series with the starting winding.
- The capacitor provides a phase shift between the voltage and current in the starting winding, creating a rotating magnetic field.
- This rotating magnetic field produces a higher starting torque compared to other types of split-phase motors.
2. Resistance-split:
- In a resistance-split motor, a starting resistor is connected in series with the starting winding.
- The resistor reduces the current flowing through the starting winding, creating a phase shift between the voltage and current.
- This phase shift produces a lower starting torque compared to a capacitor-split motor.
3. Shaded pole:
- In a shaded pole motor, a copper or aluminum shading coil is placed on a portion of the pole face of the motor.
- When the motor is energized, the shading coil creates a small rotating magnetic field.
- This rotating magnetic field induces currents in the rotor, which in turn produces a starting torque.
- However, the starting torque produced by a shaded pole motor is lower compared to both capacitor-split and resistance-split motors.
In summary, the starting torques produced by different types of split-phase, 1-phase induction motors are in the following descending order: capacitor-split, resistance-split, shaded pole. This is because the capacitor-split motor utilizes a capacitor to create a higher starting torque, while the resistance-split motor relies on a starting resistor for a lower starting torque. The shaded pole motor, on the other hand, generates the lowest starting torque due to the use of a shading coil.
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In various types of split-phase, 1-phase induction motors, the starting torques produced are in the following descending order.a)Capacitor-split, resistance-split, shaded poleb)Resistor-split, capacitor-split, shaded polec)Shaded pole, resistor-split, capacitor splitd)Capacitor-split, resistor-split, shaded poleCorrect answer is option 'A'. Can you explain this answer?
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