Modeling and analysis of harmonic resonance in a power electronics based AC power system

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Abstract

The dynamic interactions among the interconnected power converters may bring in harmonic resonance in a power electronics based power system. This paper addresses this issue in a power system dominated by multiple current- and voltage-controlled inverters with LCL- and LC-filters. The impedance-based analysis approach is adopted and expanded to a meshed and balanced three-phase power network. An impedance ratio derivation method is proposed based on the nodal admittance matrix. By this means, the contribution of each inverter to the system resonance modes can be easily predicted by the Nyquist stability criterion. To validate the theoretical analysis, the time domain simulations and experimental tests on a three-inverter-based system are presented.
Original languageEnglish
Title of host publicationProceedings of the 2013 IEEE Energy Conversion Congress and Exposition (ECCE) : ECCE 2013
Number of pages8
PublisherIEEE Press
Publication dateSept 2013
Pages5229-5236
ISBN (Print)9781479903375
ISBN (Electronic)9781479903351, 978-1-4799-0336-8
DOIs
Publication statusPublished - Sept 2013
EventIEEE Energy Conversion Congress and Exposition - Denver, United States
Duration: 15 Sept 201319 Sept 2013

Conference

ConferenceIEEE Energy Conversion Congress and Exposition
Country/TerritoryUnited States
CityDenver
Period15/09/201319/09/2013

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