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  1. oldnukeet

    380 Volt 50 Hz 3Ph. motor operating at 460V, 60 Hz

    I know that I have seen somewhere recently a fairly simple mathematical model that shows why running a 380 / 50 motor at 460 / 60 is OK. Obviously, it is a matter of maintaining the proper ratio of volts to hertz to avoid magnetic saturation and the resulting eddy currents and overheating...

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