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author:

Liu, Yulong (Liu, Yulong.) [1] | Jin, Tao (Jin, Tao.) [2] (Scholars:金涛) | Mohamed, Mohamed A. (Mohamed, Mohamed A..) [3] | Wang, Qiujie (Wang, Qiujie.) [4]

Indexed by:

EI SCIE

Abstract:

Power quality events caused by renewable-energy integration are usually associated with complex disturbances; therefore, their type identification is the primary task of subsequent pollution control. This study proposes a novel three-step classification approach based on time-dependent spectral features (TDSFs) for the classification of complex power quality disturbances (PQDs). First, the improved complete ensemble empirical mode decomposition with adaptive noise (ICEEMDAN) is adopted to decompose the PQDs into several intrinsic mode functions (IMFs). The related IMFs are selected by correlation coefficient and kurtosis. Then the eight eigenvalues of each IMF are extracted, including TDSFs. Finally, the eigenvalue dimension of each IMF is reduced by linear discriminant analysis (LDA). Moreover, the classifier of the adaptive k-nearest neighbor with excluding outliers (AdaKNNEO) can confirm the PQDs type. To verify the effectiveness of the proposed approach, a series of simulations and hardware experiments are conducted. The overall result shows robustness and high accuracy of the proposed method, and especially for the complex PQDs, it possesses the highest entirely correct of 96% compared to other advanced methods.

Keyword:

Adaptive k-nearest neighbor with excluding outliers (AdaKNNEO) classification improved complete ensemble empirical mode decomposition with adaptive noise (ICEEMDAN) intrinsic mode functions (IMFs) power quality disturbances (PQDs) time-dependent spectral features (TDSFs)

Community:

  • [ 1 ] [Liu, Yulong]Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350116, Peoples R China
  • [ 2 ] [Jin, Tao]Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350116, Peoples R China
  • [ 3 ] [Mohamed, Mohamed A.]Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350116, Peoples R China
  • [ 4 ] [Wang, Qiujie]Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350116, Peoples R China
  • [ 5 ] [Mohamed, Mohamed A.]Minia Univ, Fac Engn, Elect Engn Dept, Al Minya 61519, Egypt

Reprint 's Address:

  • 金涛

    [Jin, Tao]Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350116, Peoples R China;;[Mohamed, Mohamed A.]Fuzhou Univ, Fujian Key Lab New Energy Generat & Power Convers, Fuzhou 350116, Peoples R China

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Source :

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT

ISSN: 0018-9456

Year: 2021

Volume: 70

5 . 3 3 2

JCR@2021

5 . 6 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:105

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 71

SCOPUS Cited Count: 62

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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