| 摘要 |
A system that detects a motor fault includes a current sensor, a filter, and a controller. The sensor is electrically connected to the filter. A controller tunes the filter to a rotational frequency of a motor and compares a filtered signal to a predetermined value. A method that detects the motor fault condition selects an output signal conditioned by either a band pass filter or a low pass filter and compares the selected output to a predetermined value to identify a motor fault.
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