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A synchronous motor is an ac motor that does not run on dc.

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10y ago

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Might a synchoronous motor equally well be called a synchoronous inductor?

No. An inductor by definition is a passive component that stores electrical energy in an magnetic field. It does not use real power (in any serious amount). A synchronous motor is not passive, and uses real power.


What type of dc motor is suitable for variable torque operation?

A shunt-wound DC motor can maintain its speed well when the load torque varies.


Why is a dc motor not earthed?

A DC motor is typically not earthed to prevent ground loops and minimize interference with the motor's operation. Earthing could create unwanted return paths for current, potentially leading to erratic performance or damage. Additionally, many DC motors are designed with insulated windings, which means they do not require a ground connection for safe operation. Instead, they rely on proper insulation and design to ensure safety and functionality.


Can AC motor work on DC?

use a inverter to change dc to ac or couple it to a ac motor making it a motor generator. Comment: AC motors cannot run on DC since their principle of operation based on induction. There's an exception,however, and thats for Universal Series motor which can run on either AC or DC.


What are the advantages of using a DC motor in a ceiling fan compared to a traditional AC motor?

DC motors in ceiling fans offer advantages such as energy efficiency, quieter operation, and variable speed control compared to traditional AC motors.


What happens if a DC motor is powered by a rectifier?

When a DC motor is powered by a rectifier, the rectifier converts alternating current (AC) from the power source into direct current (DC), allowing the motor to operate. The rectified output provides a unidirectional current that energizes the motor's windings, enabling it to generate torque and rotate. However, the performance may vary depending on the rectifier type and the quality of the DC output, potentially affecting the motor's speed and efficiency. Additionally, if the rectifier produces a pulsating DC, it may introduce vibrations and noise into the motor operation.


What is the reason for high frequency in dc motor?

High frequency in a DC motor can be caused by factors such as mechanical resonance, electrical noise, or incorrect control signal frequency. These can lead to instability and performance issues in the motor operation. It is important to identify and address the root cause to ensure smooth and efficient motor performance.


What is a DC shunt motor?

A DC shunt motor is a motor using DC supply with the the inductor connected parallel to the armature.


Why series motor used in traction application?

becoz of high starting torqe to move train


What are uses of bidirectional dc motor?

6V dc motor


What is the difference between a DC motor and a generator in terms of EMF?

During the operation of a DC motor, EMF is created across its terminals using an external source. Whereas, in a DC generator EMF is created across its terminal based on principle of dynamically induced EMF. So talking in terms of EMF, in DC motor EMF is consumed by the motor coil and utilized to rotate the axle. On the other hand, in DC generator EMF developed across coil is transfered to a load or a battery and consumed by them.


Can a DC dynamo act as a DC motor?

Yes it can and the otherway aroud a DC motor can be used as a dynamo