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METHOD FOR FAULT RECOGNITION IN AN ELECTRIC MOTOR ACTUATED BY AN INVERTER IN A MOTOR VEHICLE, AND DEVICE FOR MONITORING AN OPERATION OF THE ELECTRIC MOTOR
METHOD FOR FAULT RECOGNITION IN AN ELECTRIC MOTOR ACTUATED BY AN INVERTER IN A MOTOR VEHICLE, AND DEVICE FOR MONITORING AN OPERATION OF THE ELECTRIC MOTOR
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机译:在电动机中由逆变器驱动的电动机中的故障识别方法以及用于监视电动机的运行的装置
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摘要
A method for fault recognition in an electric machine controlled by an inverter in a motor vehicle, in which the phase currents of the electric machine are ascertained, in particular ascertained by measuring, and a fault is recognized if at least one of the phase currents or a variable derived therefrom, exceeds a predefined upper threshold value, the upper threshold value being established as a function of operating parameters of the motor vehicle, in particular of the electric machine and/or of the inverter.
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