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- W2914654344 abstract "On-Load Tap-Changer (OLTC) is the core equipment of regulating the output voltage of the transformer. In order to diagnose the states of OLTC timely and accurately, a mechanical fault feature extraction method based on multi-wavelet transform is proposed. An OLTC fault simulation platform is established. Based on GHM multi-wavelet, fault characteristics of spring loosening, spring fatigue, spring fracture are analyzed. Energy, entropy, mean, standard deviations of wavelet coefficients are extracted and were used to construct feature vector. The support vector machine was used to recognize faults. The recognition accuracy is about 97%." @default.
- W2914654344 created "2019-02-21" @default.
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- W2914654344 date "2018-09-01" @default.
- W2914654344 modified "2023-09-26" @default.
- W2914654344 title "Mechanical Features Extraction of On-Load Tap-Changer Based on Multi-Wavelet Transform" @default.
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- W2914654344 doi "https://doi.org/10.1109/ichve.2018.8641935" @default.
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