PLL Based Digital Adaptive Filter for Detecting Interharmonics | Zendy

Ayhan Özdemir | Zendy; Mehmet Taştan | Zendy

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PLL Based Digital Adaptive Filter for Detecting Interharmonics

Author(s) -

Ayhan Özdemir,

Mehmet Taştan

Publication year - 2014

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2014/501781

Subject(s) - phase locked loop , spectral leakage , electronic engineering , harmonic , band stop filter , adaptive filter , engineering , control theory (sociology) , digital filter , leakage (economics) , filter (signal processing) , computer science , low pass filter , algorithm , acoustics , electrical engineering , artificial intelligence , fast fourier transform , physics , control (management) , jitter , economics , macroeconomics

Studies on the PLL (phase locked loop) based interharmonic measurements have been considerably increased recently. The method proposed in this study is a hybrid method based on the frequency analysis. The proposed method presents solutions for the leading problems about the interharmonic measurement, such as fundamental frequency shifting, spectral leakage, and picket-fence effect, using digital PLL and adaptive notch filter. In addition, a new approach is presented to solve the multizero crossing problem encountered in the analysis of the harmonic-interharmonic. Both simulative and field data tests have been performed to verify the effectiveness of the proposed method

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