Analysis of the passive damping losses in LCL-filter-based grid converters

Peña-Alzola, Rafael and Liserre, Marco and Blaabjerg, Frede and Sebastían, Rafael and Dannehl, J̈org and Fuchs, Friedrich Wilhelm (2013) Analysis of the passive damping losses in LCL-filter-based grid converters. IEEE Transactions on Power Electronics, 28 (6). pp. 2642-2646. ISSN 0885-8993 (https://doi.org/10.1109/TPEL.2012.2222931)

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Abstract

Passive damping is the most adopted method to guarantee the stability of LCL-filter-based grid converters. The method is simple and, if the switching and sampling frequencies are sufficiently high, the damping losses are negligible. This letter proposes the tuning of different passive damping methods and an analytical estimation of the damping losses allowing the choice of the minimum resistor value resulting in a stable current control and not compromising the LCL-filter effectiveness. Stability, including variations in the grid inductance, is studied through root locus analysis in the z-plane. The analysis is validated both with simulation and with experiments.

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  Item type:	Article
  ID code:	70303
  Dates:	Date Event 30 June 2013 Published 5 October 2012 Published Online
  Notes:	© 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	28 Oct 2019 10:11
  Last modified:	24 Dec 2024 12:07
  Related URLs:	Scopus publication Journal or Publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/70303