Linearized Modeling Methods of AC-DC Converters for an Accurate Frequency Response

Jun Bum Kwon, Xiongfei Wang, Frede Blaabjerg, Claus Leth Bak, Alan Wood, Neville Watson

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

15 Citationer (Scopus)

Abstrakt

Wideband harmonics and resonances are challenging the stability and power quality of emerging power-electronic-based power systems, and therefore, harmonic modeling and analysis of power converters are becoming even more important. However, the complex interactions on both ac and dc sides of a converter and the propagated interaction to other systems have been a challenging task for modeling. This paper introduces a systematic overview of different linearized modeling methods. It is followed by a step-by-step elaboration of the underlying principles of different methods, and practical difficulties in modeling are discussed. A comparison of these methods is presented. Simulation results show that the harmonic state-space modeling method provides an efficient way to analyze both steady-state frequency coupling and dynamic harmonic interactions in power-electronic-based power systems.
OriginalsprogEngelsk
Artikelnummer7888466
TidsskriftI E E E Journal of Emerging and Selected Topics in Power Electronics
Vol/bind5
Udgave nummer4
Sider (fra-til)1526 - 1541
Antal sider16
ISSN2168-6777
DOI
StatusUdgivet - dec. 2017

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