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What is an armature in a motor?
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What is the best way to minimize the eddy current in an armature?

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What is the best way of minimizing eddy currents in an armature?

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Define armature reaction in an alternator. Explain the effect of armature reaction at various power factors of loads of alternator.

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

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In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

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State any four advantages of having stationary armature in case of three phase alternator.
Answer : In a three-phase alternator, having a stationary armature (i.e., the armature is fixed and the rotor rotates) provides several advantages: 1. **Simplified Design**: A stationary ... seen in machines with rotating armatures. This leads to lower maintenance requirements and longer operational life....

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What is the significance of lamination in the armature?

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What is the significance of air holes in the armature?

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Write the armature current and voltage relationship of a Separately excited DC Generator.

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How does armature reaction affect machine performance?

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What are the two major methods of minimizing the effects of armature reaction?

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What type of material is used to make the armature core?

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What is the effect of an increase in the load for a DC motor?

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How does a star-delta starter work in starting an induction motor?

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What is the function of an active front end in motor drive systems?

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How can eddy current losses be reduce in an induction motor?

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State any four abnormalities in an induction motor.

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What is the locked rotor current in an induction motor?

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How does the temperature rise in an induction motor affect its performance?

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What is the importance of the synchronous speed in the operation of an induction motor?

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What is the role of insulation in the stator winding of an induction motor?

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What is the role of the magnetic field in the operation of an induction motor?

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What is the significance of the squirrel-cage rotor in an induction motor?

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What is the role of the stator and rotor in an induction motor?
Answer : In an induction motor, the **stator** and **rotor** have distinct roles, but they work together to create the motor's operation: ### 1. **Stator**: The stator is the stationary ... field and produces motion in the motor. Together, they convert electrical energy into mechanical energy (motion)....

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How does an H-bridge work in motor control applications?

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How does a synchronous motor differ from an induction motor?

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Distinguish between an induction motor and a synchronous motor.

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What is the difference between a motor and an engine?

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What is the difference between a motor and an alternator?

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