Application of Hilbert-Huang Transformation for Identifying the Fault Location on Series Compensated Lines

• Autorzy: Kong X. , Zhang Z , Yin X. , Deng X.

Warianty tytułu

Zastosowanie transformacji Hilbert-Huang w określaniu lokalizacji awarii w liniach z kompensatorami szeregowymi

• Języki publikacji: EN

Abstrakty

EN

With the study on the transient state of series compensated lines under symmetrical and asymmetrical fault conditions, it’s obtained that low frequency component is much larger than aperiodic component of the measured transient current if the fault location is behind the series compensated capacitor. Due to the non-linear volt-ampere characteristics of MOV, the equivalent capacitive of series compensated device changes with time. Hence, the frequency of low frequency component caused by series compensated capacitor is time-varying. Hilbert-Huang Transformation is applied to analyze the instantaneous frequency and amplitude of the low frequency component to identify the fault location. The simulation results prove this method works.

PL

W artykule przedstawiono metodę lokalizacji awarii symetrycznych i niesymetrycznych w układach kompensacji szeregowej. Określono wpływ charakterystyki napięciowo-prądowej łącznika warystorowego na wartość harmonicznych niższego stopnia, wprowadzanych do sieci. Zastosowano transformację Hilbert-Huang w celu analizy chwilowej częstotliwości i amplitudy składowej niskiej częstotliwości oraz określenia miejsca awarii. Wykonano badania symulacyjne.

Słowa kluczowe

EN

low frequency; Hilbert-Huang transform; fault location

PL

składowa nisko-częstotliwościowa; transformacja Hilberta-Huanga; kompensator szeregowy

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 5
• Strony: 135--140
• Opis fizyczny: Bibliogr. 10 poz., rys., tab.

Twórcy

autor

Kong X.

• The State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology

autor

Zhang Z

• The State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology

autor

Yin X.

• The State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology

autor

Deng X.

• The State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology

Bibliografia

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• [7] Liu Qing, Chang Yanyan, Xu Yan, et al. Fault Position Identification for Series Compensated Transmission Lines with SSSC Based on Improved Wavelet Packet Entropy. Automation of Electric Power Systems, 35 (2011), No.6, 65-70
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