Smart Transformer Protection: Hybrid Approach to Fault Discrimination
Pankaj Thote
Broschiertes Buch

Smart Transformer Protection: Hybrid Approach to Fault Discrimination

Differential Protection of Transformer

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In modern power transformers, conventional differential protection with harmonic restraint often struggles due to lower second harmonic levels from improved core materials and CT saturation during heavy faults. These challenges can lead to false operations by misidentifying benign phenomena such as magnetizing inrush, overexcitation, and internal faults. This book introduces a novel digital protection scheme that employs a hybrid KNN-GA algorithm to accurately distinguish true internal faults from non-fault conditions. Using discrete wavelet transform for feature extraction, the scheme capture...