Robustness analysis of active damping methods for an inverter connected to the grid with an LCL-filter

D. Ricchiuto, M. Liserre, Tamas Kerekes, Remus Teodorescu, Frede Blaabjerg

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

44 Citations (Scopus)

Abstract

Grid-connected converters usually employ an LCL-filter to reduce PWM harmonics. To avoid the wellknown stability problems it is requested to use either passive or active damping methods. Active damping methods avoid losses and preserve the filter effectiveness but they are more sensitive to parameters variation. In this paper the robustness of active damping methods is investigated considering those using only the same state variable (grid-side or converter-side current) normally used for current control (filter-based) or those methods using more state-variables (multiloop). Simulation and experimental results validate the analysis.
Original languageEnglish
Title of host publicationProceedings of the 3rd IEEE Energy Conversion Congress and Exposition (ECCE 2011)
Number of pages8
PublisherIEEE Press
Publication date2011
Pages2028-2035
ISBN (Print)978-1-4577-0542-7
DOIs
Publication statusPublished - 2011
Event3rd IEEE Energy Conversion Congress and Exposition (ECCE 2011) - Phoenix, Arizona, United States
Duration: 17 Sept 201122 Sept 2011

Conference

Conference3rd IEEE Energy Conversion Congress and Exposition (ECCE 2011)
Country/TerritoryUnited States
CityPhoenix, Arizona
Period17/09/201122/09/2011

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