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Inteligentna ochrona transformatora: Hybrydowe podejście do dyskryminacji blędów
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ISBN10: 6208923026
ISBN13: 9786208923020
Publisher: Wydawnictwo Nasza Wiedza
Published: May 31 2025
Pages: 112
Weight: 0.35
Height: 0.27 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786208923020
Publisher: Wydawnictwo Nasza Wiedza
Published: May 31 2025
Pages: 112
Weight: 0.35
Height: 0.27 Width: 6.00 Depth: 9.00
Language: Polish
W nowoczesnych transformatorach mocy konwencjonalne zabezpieczenie różnicowe z ograniczeniem harmonicznych często nie radzi sobie z niższymi poziomami drugiej harmonicznej wynikającymi z ulepszonych materialów rdzenia i nasycenia przekladnika prądowego podczas poważnych awarii. Wyzwania te mogą prowadzic do falszywych operacji poprzez blędną identyfikację lagodnych zjawisk, takich jak udar magnetyczny, nadmierne wzbudzenie i usterki wewnętrzne. Niniejsza książka przedstawia nowatorski schemat cyfrowej ochrony, który wykorzystuje hybrydowy algorytm KNN-GA do dokladnego odróżnienia prawdziwych usterek wewnętrznych od warunków niezwiązanych z usterkami. Wykorzystując dyskretną transformatę falkową do ekstrakcji cech, schemat przechwytuje krytyczne parametry statystyczne, podczas gdy metoda K-najbliższych sąsiadów, zoptymalizowana za pomocą algorytmu genetycznego, zwiększa dokladnośc klasyfikacji. Rozlegle eksperymenty laboratoryjne i implementacja DSP w czasie rzeczywistym na TMS320C6713T pokazują, że to hybrydowe podejście przewyższa tradycyjne metody, takie jak ANN i SVM, zapewniając szybszą, bezpieczniejszą i bardziej niezawodną ochronę transformatorów w nowoczesnych sieciach energetycznych.
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