Research Article
Practical Aspects of Broken Rotor Bars Detection in PWM Voltage-Source-Inverter-Fed Squirrel-Cage Induction Motors
Table 1
Range of sideband frequencies in terms of faulty types.
| Fault types | Theoretical formula | Range | Frequencies |
| Air-gap eccentricity | | Low, high | 0~900 Hz | Broken rotor bars | | Low | 0~400 Hz | Bearing failure | | High | 0~2000 Hz | Interturn short circuit | , | Low, high | 0~1000 Hz |
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