Method for operating an electrical motor

摘要

The method involves measuring at least one motor current (Im) with at least one sensor (2), which is initially viewed as fault-free and is detected as faulty if the measured current exceeds a defined threshold. The motor (1) is operated in normal mode if the current sensor is viewed as fault-free and in emergency mode if the sensor is faulty, whereby it is operated independently of the motor current to prevent thermal overload.