What are the factor of speed of dc motor
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Answer: voltage
Explanation:
The speed of an electric motor is determined by its physical construction and the frequency of the voltage supply. Electrical engineers select motor speed based on the needs of each application, similar to how horsepower is specified based on the mechanical load.
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From the above equation, the speed of the motor depends on supply voltage (V), Flux (Φ), and Armature resistance (Ra). Therefore, the speed of a DC motor can be varied, changed and controlled by changing; Terminal voltage “V” (AKA Applied Voltage Control Method). External resistance with armature resistance Ra (AKA Rheostatic Control Method).
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