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This paper demonstrates the effect of conventional distributed generation (DG) on fault location techniques based on transient signal analysis. DG penetration in distribution networks deviates the route‐specific frequencies generated by fault traveling waves propagating along the feeders and laterals. The amount of these deviations is proportional to the rated power of a certain DG unit. A validated...
This paper presents an optimized fault location approach in combined overhead line and underground cable distribution networks. Continuous wavelet transform (CWT) is employed for analyzing fault originated travelling waves. The transient voltage waveform is recorded at a measuring point and then analyzed using both standard and fault transient inferred mother wavelets. This approach rely on the relationship...
This paper illustrates the impact of typical distribution capacitor banks on high frequency fault transient signals. Fault location methods based on the analysis of fault originated travelling waves are affected by the installation of capacitor banks in distribution networks. Especially Continuous Wavelet Transform (CWT) is adopted to analyze fault transient signals and calculate their energy contents...
This paper illustrates the application of continuous wavelet transform (CWT) for fault location in combined overhead line and cable distribution networks. The high frequency transient signals originated by faults are analyzed using CWT. The transient voltage waveform of faults is recorded at the certain measuring point. This method is based on the relationship between typical frequencies of the CWT...
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