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The application of orthogonal vector theory to optimize the coordination between a 3-level inverter and a 2-level inverter

A. Muc

Department of Ship Automation, Gdynia Maritime University, Gdynia (Poland)


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2026-06-27

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Abstract

This article demonstrates the potential application of orthogonal vector theory to the design and control of complex systems with three-phase inverters. The paper presents the interaction of a three-level inverter with a two-level inverter using two control strategies. The obtained results are presented in the form of simulation studies. The analyses show that the complex voltage inverter with a simplified control strategy allows for higher RMS voltage values ​​with lower THD.

Key words: space vector; vector orthogonality; three-phase OVT inverter; fundamental harmonic.

Published in: Renewable Energies, Environment & Power Quality Journal (REE&PQJ)
ISSUE: Vol. 26. No.4 Pages: 508-514
E-ISSN: 3020-531 X Date of Current Version: 2026-06-27
REF: 394-26 Issue Date: 2026-07-15
DOI:10.24084/reepqj26-394 Publisher: AEDERMACP/ EA4EPQ

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