60Hz motor with 50Hz power supply
Tags: Power supply, 60Hz 50Hz
If the motor is designed for 60 Hz and you intend to use it at 50 Hz, you must reduce the voltage so that you don't overexcite the core (iron). To achieve this, you will have to reduce the voltage to 200 Vac (i.e., volts per hertz V/Hz = constant). By doing this, realize that the nameplate power, torque and speed ratings will all be reduced. The power will be 83%, the torque will be 69% and the speed will be 83%. Since this is an induction motor, there will be no pole slipping as stated above. As long as you don't exceed the temperature rise rating of the machine, the life span of the motor will not be reduced.
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