A More Reliable Method for Monitoring the Condition of Three-Phase Induction Motors Based on Their Vibrations

<table>Total energy levels in the frequency band 15–30 Hz, for motor speeds of 1300 and 1500 rpm, for voltage imbalance in one phase of the supply, for 1.1 kW motor at 100% load.</table>

International Scholarly Research Notices

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Figure 12

Figure 12: A More Reliable Method for Monitoring the Condition of Three-Phase Induction Motors Based on Their Vibrations 