Fig. 1. Normal waveform.
Fig. 2. Fault waveform.
Fig. 3. Waveform storage period before and after fault.
Fig. 4. Waveform storage period before and after impulse.
Fig. 5. Voltage and current changes monitoring.
Fig. 6. Current instantaneous variation monitoring.
Fig. 7. Harmonic changes monitoring.
Fig. 8. Fault waveform of LP insulator and arrester.
Fig. 9. Current waveform changes before cable fault.
Fig. 10. Current instantaneous variations before cable fault.
Fig. 11. Waveform before transformer fault.
Fig. 12. Harmonic content rate of fault waveform.
Table 1. Fault cases in distribution line.
Table 2. Specific waveform classification.
Table 3. Detect result of fault and specific waveform.
References
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