W sieciach elektroenergetycznych, zakłócenia mogą powodować problemy w urządzeniach elektronicznych. W związku z tym ich monitorowanie, ma fundamentalne znaczenie dla prawidłowego projektowania urządzeń ochronnych i kompensacyjnych. W artykule podjęto problem wykrywania zakłóceń "za pomocą dwóch różnych metod przetwarzania sygnałów: falek i transformaty Hilberta (HT). Metody te były badane przy różnych poziomach szumu i zniekształceń harmonicznych (THD). Stwierdzono przydatność HT do analizy krótkich przebiegów przejściowych i zakłóceń oraz podobnych zjawisk. (Falki i transformata Hilberta do wykrywania zakłóceń w krótkim czasie trwania w sieciach elektroenergetycznych)
In electrical energy power network, disturbances can cause problems in electronic devices therefore their monitoring is fundamental to properly design the protection and compensation devices. In this paper we address the problem of disturbances’ detection by using two different signal processing methods: Wavelets and Hilbert Transform (HT). Methods were tested under different conditions of noise and harmonic distortion (THD) showing the Hilbert Transform can be used as a valid approach for this type of phenomena.
Caciotta, M., Giarnetti, S., Leccese, F., Z., L. (2010). Wavelets and Hilbert Transform for detection of short disturbances in electrical power networks. PRZEGLAD ELEKTROTECHNICZNY, 86(5), 50-54.
Wavelets and Hilbert Transform for detection of short disturbances in electrical power networks
CACIOTTA, Maurizio;GIARNETTI, SABINO;LECCESE, Fabio;
2010-01-01
Abstract
In electrical energy power network, disturbances can cause problems in electronic devices therefore their monitoring is fundamental to properly design the protection and compensation devices. In this paper we address the problem of disturbances’ detection by using two different signal processing methods: Wavelets and Hilbert Transform (HT). Methods were tested under different conditions of noise and harmonic distortion (THD) showing the Hilbert Transform can be used as a valid approach for this type of phenomena.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.