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Questions and Answers
What is hunting in a synchronous motor?
What is hunting in a synchronous motor?
- Oscillation of the rotor about its steady state position (correct)
- Sudden stoppage of the rotor
- Steady rotation of the rotor
- Increase in the electromagnetic torque
What is the condition of equilibrium in a synchronous motor?
What is the condition of equilibrium in a synchronous motor?
- When the rotor is stationary
- When the load torque is zero
- When the rotor speed is maximum
- When the electromagnetic torque developed is equal and opposite to the load torque (correct)
What happens to the rotor speed when there is a sudden increase in the load torque of a synchronous motor?
What happens to the rotor speed when there is a sudden increase in the load torque of a synchronous motor?
- The equilibrium of the motor is disturbed and the speed changes (correct)
- The rotor speed increases
- The rotor speed decreases
- The rotor speed remains constant
What does the difference torque $( au_{e}- au_{l})$ represent in the synchronous motor equation?
What does the difference torque $( au_{e}- au_{l})$ represent in the synchronous motor equation?
What does a constant value of torque angle (δ) indicate in a synchronous motor?
What does a constant value of torque angle (δ) indicate in a synchronous motor?
What is hunting in a synchronous motor?
What is hunting in a synchronous motor?
What does the condition of equilibrium in a synchronous motor refer to?
What does the condition of equilibrium in a synchronous motor refer to?
What does the difference torque $( au_{e}- au_{l})$ represent in the synchronous motor equation?
What does the difference torque $( au_{e}- au_{l})$ represent in the synchronous motor equation?
What does a constant value of torque angle (δ) indicate in a synchronous motor?
What does a constant value of torque angle (δ) indicate in a synchronous motor?
What happens to the rotor speed when there is a sudden increase in the load torque of a synchronous motor?
What happens to the rotor speed when there is a sudden increase in the load torque of a synchronous motor?
What is hunting in a synchronous motor?
What is hunting in a synchronous motor?
What is the condition known as 'steady state condition' in a synchronous motor?
What is the condition known as 'steady state condition' in a synchronous motor?
What happens to the equilibrium of a synchronous motor when there is a sudden change in the load torque?
What happens to the equilibrium of a synchronous motor when there is a sudden change in the load torque?
What does the difference torque $( au_{e}- au_{l})$ represent in a synchronous motor?
What does the difference torque $( au_{e}- au_{l})$ represent in a synchronous motor?
What is the effect of a sudden increase in the load torque of a synchronous motor?
What is the effect of a sudden increase in the load torque of a synchronous motor?