Question

In both the North American and International motor efficiency standards, how does the required efficiency vary as a function of the motor power?

Answer 1

Explanation:

In motors, efficiency of motors would increase with the output power of the motor. The more the motor is operated near to its rated power, the better its efficiency gets. However if the output power goes beyond the rated power, then the efficiency curve will come down.

Some other factors of motor efficiency are its operating voltages, its physical size, driven speed in case of drives etc

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