Improved adaptive notch filter-based active damping method for shunt active power filter with LCL-filter

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dc.authoridTumay, Mehmet/0000-0002-6055-3761
dc.authoridBuyuk, Mehmet/0000-0003-3026-4034
dc.contributor.authorBuyuk, Mehmet
dc.contributor.authorTan, Adnan
dc.contributor.authorTumay, Mehmet
dc.date.accessioned2025-01-06T17:43:30Z
dc.date.available2025-01-06T17:43:30Z
dc.date.issued2018
dc.description.abstractThe LCL-filter has been recently used with grid-connected converters to mitigate switching ripple harmonics. The LCL-filter presents a better attenuation performance for switching ripple harmonics in comparison with L- and LC-type filters. However, the application of LCL-filter has two basic constraints on the circuit design and the resonance problem. These constraints can be effortlessly overcome for grid-connected converters which operate on the utility fundamental frequency. On the other hand, these constraints become a challenging issue when the LCL-filter is used with shunt active power filter (SAPF) because of the wide operation frequency bandwidth of SAPF. This wide operation bandwidth of SAPF causes a narrow bandwidth for the selection of LCL-filter cutoff frequency and the resonance damping control. In this paper, the application constraints of LCL-filter are discussed and the LCL-filter design is provided for SAPF. In addition, an adaptive notch filter-based single-loop active damping method is developed considering the wide operation bandwidth of SAPF. The proposed method consists of a grid impedance estimation algorithm in order to update notch filter parameters adaptively against grid impedance variations. By the help of the single-loop active damping strategy, the proposed controller does not require any additional sensor for the current measurement of LCL-filter capacitor to damp resonance currents. The stability analysis of proposed controller is performed through pole-zero maps. The proposed method is tested, and its performance is verified with comprehensive case studies of a 400-V 80-kVA SAPF simulation model through MATLAB/Simulink.
dc.identifier.doi10.1007/s00202-018-0685-9
dc.identifier.endpage2049
dc.identifier.issn0948-7921
dc.identifier.issn1432-0487
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85044950009
dc.identifier.scopusqualityQ2
dc.identifier.startpage2037
dc.identifier.urihttps://doi.org/10.1007/s00202-018-0685-9
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2667
dc.identifier.volume100
dc.identifier.wosWOS:000440282300066
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofElectrical Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectLCL-filter
dc.subjectActive damping
dc.subjectAdaptive notch filter
dc.subjectActive power filter
dc.subjectHarmonics
dc.titleImproved adaptive notch filter-based active damping method for shunt active power filter with LCL-filter
dc.typeArticle

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