Research Article
Detection of Two-Level Inverter Open-Circuit Fault Using a Combined DWT-NN Approach
Table 3
Amplitudes and frequencies of harmonics.
| Harmonic (Hz) | = 100 Hz | = 200 Hz | = 300 Hz |
| Healthy state (db) | db | db | 0 db | Open-circuit state (db) | db | db | db |
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