Observer-based active damping for grid-connected converters with LCL filter

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Abstract

In this paper an add-on control method is proposed to damp oscillations in the LCL filter of a grid-connected converter. An observer is used to estimate the capacitor current, and successively, a conventional active damping technique is applied. Since the capacitor current is estimated from already available measurements, the proposed active damping method does not need an extra current sensor for the capacitor current. Model analysis and simulation validate the effectiveness of the proposed control method.

Original languageEnglish
Title of host publication2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages2697-2702
Number of pages6
ISBN (Electronic)9784886864055
DOIs
Publication statusPublished - 22 Oct 2018
Event8th International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018 - Niigata, Japan
Duration: 20 May 201824 May 2018

Conference

Conference8th International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018
CountryJapan
CityNiigata
Period20/05/1824/05/18

Fingerprint

Capacitors
Damping
Sensors

Keywords

  • control
  • converter
  • damping
  • LCL filter
  • observer

Cite this

Zhang, Y., Roes, M. G. L., Hendrix, M. A. M., & Duarte, J. L. (2018). Observer-based active damping for grid-connected converters with LCL filter. In 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018 (pp. 2697-2702). [8507657] Piscataway: Institute of Electrical and Electronics Engineers. https://doi.org/10.23919/IPEC.2018.8507657
Zhang, Y. ; Roes, M. G.L. ; Hendrix, M. A.M. ; Duarte, J. L. / Observer-based active damping for grid-connected converters with LCL filter. 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Piscataway : Institute of Electrical and Electronics Engineers, 2018. pp. 2697-2702
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abstract = "In this paper an add-on control method is proposed to damp oscillations in the LCL filter of a grid-connected converter. An observer is used to estimate the capacitor current, and successively, a conventional active damping technique is applied. Since the capacitor current is estimated from already available measurements, the proposed active damping method does not need an extra current sensor for the capacitor current. Model analysis and simulation validate the effectiveness of the proposed control method.",
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Zhang, Y, Roes, MGL, Hendrix, MAM & Duarte, JL 2018, Observer-based active damping for grid-connected converters with LCL filter. in 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018., 8507657, Institute of Electrical and Electronics Engineers, Piscataway, pp. 2697-2702, 8th International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018, Niigata, Japan, 20/05/18. https://doi.org/10.23919/IPEC.2018.8507657

Observer-based active damping for grid-connected converters with LCL filter. / Zhang, Y.; Roes, M. G.L.; Hendrix, M. A.M.; Duarte, J. L.

2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Piscataway : Institute of Electrical and Electronics Engineers, 2018. p. 2697-2702 8507657.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Zhang Y, Roes MGL, Hendrix MAM, Duarte JL. Observer-based active damping for grid-connected converters with LCL filter. In 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Piscataway: Institute of Electrical and Electronics Engineers. 2018. p. 2697-2702. 8507657 https://doi.org/10.23919/IPEC.2018.8507657