The Modeling and Harmonic Coupling Analysis of Multiple-Parallel Connected Inverter Using Harmonic State Space (HSS)

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Abstrakt

As the number of power electronics based systems are increasing, studies about overall stability and harmonic problems are rising. In order to analyze harmonics and stability, most research is using an analysis method, which is based on the Linear Time Invariant (LTI) approach. However, this can be difficult in terms of complex multi-parallel connected systems, especially in the case of renewable energy, where possibilities for intermittent operation due to the weather conditions exist. Hence, it can bring many different operating points to the power converter, and the impedance characteristics can change compared to the conventional operation. In this paper, a Harmonic State Space modeling method, which is based on the Linear Time varying theory, is used to analyze different operating points of the parallel connected converters. The analyzed results show that the HSS modeling approach explicitly can demonstrate other phenomenon, which can not be found in the conventional LTI approach. The theoretical modeling and analysis are verified by means of simulations and experiments.
OriginalsprogEngelsk
TitelProceedings of the 2015 IEEE Energy Conversion Congress and Exposition (ECCE)
Antal sider8
ForlagIEEE Press
Publikationsdatosep. 2015
Sider6231-6238
ISBN (Trykt)978-1-4673-7151-3
DOI
StatusUdgivet - sep. 2015
Begivenhed2015 IEEE Energy Conversion Congress and Exposition (ECCE) - Montreal, Canada
Varighed: 20 sep. 201524 sep. 2015

Konference

Konference2015 IEEE Energy Conversion Congress and Exposition (ECCE)
LandCanada
ByMontreal
Periode20/09/201524/09/2015

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