Global Simulation Model Design of Input-Serial, Output-Parallel Solid-State Transformer for Smart Grid Applications

Author:

Takacs Kristian1ORCID,Frivaldsky Michal1ORCID,Kindl Vladimir2ORCID,Bernat Petr3ORCID

Affiliation:

1. Department of Mechatronics and Electronics, Faculty of Electrical Engineering and Information Technologies, University of Zilina, 010 26 Zilina, Slovakia

2. Research and Innovation Center for Electrical Engineering, Faculty of Electrical Engineering, University of West Bohemia, 30100 Pilsen, Czech Republic

3. Department of Electrical Engineering, Faculty of Electrical Engineering and Informatics, Technical University of Ostrava, 70800 Ostrava, Czech Republic

Abstract

This paper provides an overview of an early attempt at developing a simulation model on a solid-state transformer (SST) based on input-serial and output-parallel (ISOP) topology. The proposed SST is designed as a base for a smart grid (SG). The paper provides a theoretical review of the power converters under consideration, as well as their control techniques. Further, the paper presents a simulation model of the proposed concept with a PLECS circuit simulator. The proposed simulation model examines bidirectional energy flow control between the medium-voltage AC grid and DC smart grid, while evaluating power flow efficiency and qualitative indicators of the AC grid. After the completion of design verification and electrical properties analysis by the PLECS simulation models, the synthesis offers recommendations on the optimal layout of the proposed SST topology for smart grid application.

Funder

APVV

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction

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