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The purpose of using dummy coil in DC machine is to-
- a)eliminate harmonics developed in the machine
- b)eliminate harmonics reaction
- c)bring a mechanical balance of the armature
- d)bring a mechanical balance of the body of the motor
Correct answer is option 'C'. Can you explain this answer?
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The purpose of using dummy coil in DC machine is to-a)eliminate harmo...
The purpose of using dummy coil in DC Machines is to bring Mechanical balance of the armature.
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The purpose of using dummy coil in DC machine is to-a)eliminate harmo...
Explanation:
The purpose of using a dummy coil in a DC machine is to bring a mechanical balance of the armature. Let's break down this explanation further:
1. Mechanical Balance: The armature of a DC machine is a critical component that rotates within the magnetic field. To ensure smooth operation and prevent any unwanted vibrations or disturbances, it is important to maintain a proper mechanical balance of the armature.
2. Dummy Coil: A dummy coil is a coil that is placed in the machine to counterbalance the effects of the actual armature winding. By adding a dummy coil, the mechanical balance of the armature is achieved, which helps in reducing vibrations and ensuring stable operation of the DC machine.
3. Importance: Maintaining a mechanical balance of the armature is crucial for the overall performance and efficiency of the DC machine. It helps in reducing wear and tear, improving the lifespan of the machine, and ensuring smooth operation without any unwanted vibrations.
In conclusion, the primary purpose of using a dummy coil in a DC machine is to bring a mechanical balance of the armature, which is essential for the proper functioning and longevity of the machine.
The purpose of using a dummy coil in a DC machine is to bring a mechanical balance of the armature. Let's break down this explanation further:
1. Mechanical Balance: The armature of a DC machine is a critical component that rotates within the magnetic field. To ensure smooth operation and prevent any unwanted vibrations or disturbances, it is important to maintain a proper mechanical balance of the armature.
2. Dummy Coil: A dummy coil is a coil that is placed in the machine to counterbalance the effects of the actual armature winding. By adding a dummy coil, the mechanical balance of the armature is achieved, which helps in reducing vibrations and ensuring stable operation of the DC machine.
3. Importance: Maintaining a mechanical balance of the armature is crucial for the overall performance and efficiency of the DC machine. It helps in reducing wear and tear, improving the lifespan of the machine, and ensuring smooth operation without any unwanted vibrations.
In conclusion, the primary purpose of using a dummy coil in a DC machine is to bring a mechanical balance of the armature, which is essential for the proper functioning and longevity of the machine.
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The purpose of using dummy coil in DC machine is to-a)eliminate harmonics developed in the machineb)eliminate harmonics reactionc)bring a mechanical balance of the armatured)bring a mechanical balance of the body of the motorCorrect answer is option 'C'. Can you explain this answer?
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