Hartley Transform Signal Compression and Fast Power Quality Measurements for Smart Grid Application

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Hartley Transform Signal Compression and Fast Power Quality Measurements for Smart Grid Application

de Oliveira Nascimento, Francisco A.

IEEE transactions on power delivery, 12/2023, Volume: 38, Issue: 6

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This study presents a methodology for compressing power system (PS) signals based on the Discrete Hartley Transform (DHT) and develops a computationally efficient approach for calculating power quality (PQ) parameters. Several algorithms are proposed for dynamic bit allocation for coefficient quantization of the DHT. The proposed algorithm was trialed on a real-world signal database and produced better results than those obtained using wavelet transforms. Several scenarios are investigated, and the comparative results are shown.

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