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has been cited by the following article:

• TITLE: Fault Location Method Based on EEMD and Traveling-Wave Speed Characteristics for HVDC Transmission Lines

  AUTHORS: Jing Liu, Jiandong Duan, Hailong Lu, Yuanbing Sun

  KEYWORDS: Traveling Wave, Fault Location, EEMD, Instantaneous Frequency

  JOURNAL NAME: Journal of Power and Energy Engineering, Vol.3 No.4, April 14, 2015

  ABSTRACT: This paper presents a method of Traveling Wave Fault location based on the improved Hilbert- Huang Transform. First, Intrinsic Mode Functions (IMF) of traveling waves are extracted by Ensemble Empirical Mode Decomposition (EEMD). Then Hilbert Transform is applied to calculate the corresponding instantaneous frequency of the highest frequency component (IMF1), the instantaneous frequency and corresponding time-frequency graph are obtained. Second, the arrival time and speed can be detected by the first instantaneous frequency’s mutational point. Finally, the improved two-terminal traveling wave fault location principle is used to calculate the fault distance. Relevant simulation results are performed to verify the correctness of the method by EMTDC software.