The study on monitor of power system low frequency oscillation base on HHT method

Aimed to solve the problem-power system low frequency oscillation in area main lines, this paper presents a decomposition of power system low frequency oscillation which can monitor vibration modal parameters quickly and accurately; The core of low frequency oscillation monitor is an improved Hilber...

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Published in2014 China International Conference on Electricity Distribution (CICED) pp. 305 - 307
Main Authors Yang Pei-hong, Yue Li-hai
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2014
Subjects
Abstracts
Biomedical monitoring
Empirical Mode Decomposition
Hilbert-Huang Transform
Monitor
Monitoring
Power System Low Frequency Oscillation
Power systems
Transforms
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Abstract Aimed to solve the problem-power system low frequency oscillation in area main lines, this paper presents a decomposition of power system low frequency oscillation which can monitor vibration modal parameters quickly and accurately; The core of low frequency oscillation monitor is an improved Hilbert-Huang Transform(HHT) algorithm through the online record data superposition integral cycle cosine both ends of the signal, signal preprocessing is the extreme point. The method has solved the EMD decomposition process of "end effect" problem; Through the MATLAB simulation verifies the effectiveness of the proposed method.
AbstractList Aimed to solve the problem-power system low frequency oscillation in area main lines, this paper presents a decomposition of power system low frequency oscillation which can monitor vibration modal parameters quickly and accurately; The core of low frequency oscillation monitor is an improved Hilbert-Huang Transform(HHT) algorithm through the online record data superposition integral cycle cosine both ends of the signal, signal preprocessing is the extreme point. The method has solved the EMD decomposition process of "end effect" problem; Through the MATLAB simulation verifies the effectiveness of the proposed method.
Author Yue Li-hai
Yang Pei-hong
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Snippet Aimed to solve the problem-power system low frequency oscillation in area main lines, this paper presents a decomposition of power system low frequency...
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StartPage 305
SubjectTerms Abstracts
Biomedical monitoring
Empirical Mode Decomposition
Hilbert-Huang Transform
Monitor
Monitoring
Power System Low Frequency Oscillation
Power systems
Transforms
Title The study on monitor of power system low frequency oscillation base on HHT method
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