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.

LevelsFrequency 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