State-Space Modeling Techniques of Emerging Grid-Connected Converters

Fabio Mandrile, Salvatore Musumeci, Enrico Carpaneto, Radu Bojoi, Tomislav Dragičević and Frede Blaabjerg
Additional contact information
Fabio Mandrile: Energy Department “Galileo Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Salvatore Musumeci: Energy Department “Galileo Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Enrico Carpaneto: Energy Department “Galileo Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Radu Bojoi: Energy Department “Galileo Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Tomislav Dragičević: Department of Electrical Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
Frede Blaabjerg: Department of Energy Technology, Aalborg University, 9220 Aalborg, Denmark

Energies, 2020, vol. 13, issue 18, 1-25

Abstract: In modern power electronics-based power systems, accurate modeling is necessary in order to analyze stability and the interaction between the different elements, which are connected to it. State space modeling seems a valid approach to study the modes of a certain system and their correlation with its states. Unfortunately, this approach may require complicated calculations and it is difficult to model advanced or emerging control techniques for grid-tied converters, such as cascaded controllers (e.g., voltage and current) and virtual synchronous generators (VSGs). Moreover, this approach does not allow an easy reconfiguration of the modeled system by adding, removing of modifying certain elements. To solve such problems, this paper presents a step-by-step approach to the converter modeling based on the Component Connection Method (CCM). The CCM is explained in detail and a practical example is given, by modeling one exemplary VSG model available in the literature. The obtained model is finally validated experimentally to demonstrate the practical accuracy of such approach.

Keywords: Component Connection Method; power electronics-based systems; stability analysis; state-space methods; virtual synchronous generators (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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