![]() ![]() Service factor is the ratio of actual maximum power to the rated power mentioned on the plate of the motor.Įxample # 1: A 230 volt three phase, 1/2 HP induction motor has an efficiency rating of 88% and a power factor of 85%. %Efficiency of the motor is defined as its rated efficiency and it is ration between output input. ![]() KW and HP are used to represent the power. Mathematically, rated load amperes and full load amperes are defined as: ![]() The current flowing through motor depends on various factors including its voltage, power factor, efficiency and rated power. The 3 phase Induction motor is popular for its efficiency and is widely employed in the electric systems for doing mechanical work. ![]()
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