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Inteligentna ochrona transformatora

Inteligentna ochrona transformatora

Pankaj Thote

110,64 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Tecnología: cuestiones generales
ISBN:
9786208923020
110,64 €
IVA incluido
Disponible

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W nowoczesnych transformatorach mocy konwencjonalne zabezpieczenie różnicowe z ograniczeniem harmonicznych często nie radzi sobie z niższymi poziomami drugiej harmonicznej wynikającymi z ulepszonych materiałów rdzenia i nasycenia przekładnika prądowego podczas poważnych awarii. Wyzwania te mogą prowadzić do fałszywych operacji poprzez błędną identyfikację łagodnych zjawisk, takich jak udar magnetyczny, nadmierne wzbudzenie i usterki wewnętrzne. Niniejsza książka przedstawia nowatorski schemat cyfrowej ochrony, który wykorzystuje hybrydowy algorytm KNN-GA do dokładnego 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 dokładność klasyfikacji. Rozległe 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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