Research Article
Diagnosis of Broken Bars in V/F Control Induction Motor Drive Using Wavelets and EEV Estimation for Electric Vehicle Applications
Table 5
Frequency band of wavelet coefficients of V/F fed IM.
| Levels | Frequency band |
| | 12250–25000 Hz | | 6125–12250 Hz | | 3062.5–6125 Hz | | 1531.25–3062.5 Hz | | 765.625–1531.25 Hz | | 382.81–765.625 Hz | | 191.40–382.81 Hz | | 95.70–191.40 Hz | | 47.85–95.70 Hz | | 23.926–47.85 Hz | | 11.96–23.926 Hz | | 5.98–11.96 Hz | | 2.99–5.98 Hz |
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