| 摘要 |
Disclosed herein is a system and method for determining faults in motors 3 and drives 2. The system includes a motor drive 2 that has a DC-link coupled to a power source. A controller system 5 is configured to measure power applied to the DC-link, integrate the power over time to yield energy consumed, and to determine energy that accumulates in operation over time. The controller is further configured to detect a fault condition when the energy that accumulates in operation is less than expected based on the energy consumed. |
