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Article

The Choice of the Control in the Single-Phase Voltage Source Inverters for UPS Systems

by
Zbigniew Rymarski
Department of Electronics, Electrical Engineering and Microelectronics, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland
Energies 2026, 19(6), 1548; https://doi.org/10.3390/en19061548
Submission received: 24 February 2026 / Revised: 7 March 2026 / Accepted: 16 March 2026 / Published: 20 March 2026
(This article belongs to the Special Issue Power Systems: Stability Analysis and Control)
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Abstract

The paper presents four solutions to the voltage source inverter (VSI) control system with existing delays in the measurement channels and the middle switching frequency (25,600 Hz): Single-Input Single-Output Coefficient Diagram Method (SISO-CDM), Multi-Input Multi-Output Passivity-Based Control (MISO-PBC), Multi-Input Multi-Output One-Sample-Ahead Preview Controller (MISO-OSAP), and MISO-OSAP with Luenberger Observer (MISO-OSAP-LO). The theory, including adjustments to controller gains or to the coefficients of the characteristic equation of the closed-loop system, is presented. Simulations of the VSI operation with these control systems for the nonlinear load and the dynamic resistive load (per the requirements of the EN 62040-3 standard) are presented. The SISO-CDM and MISO-PBC are finally selected for experimental verification of the simulations. The results of the tests enable the selection of the control type for a particular VSI design based on its cost and an estimation of the advantages of the more expensive solution. The paper should help in engineering design according to the remarks in the paper.
Keywords: voltage source inverter; deadbeat control; one-sample-ahead preview control; passivity-based control; coefficient diagram method; single-input single-output control; multi-input single-output control; Luenberger observer voltage source inverter; deadbeat control; one-sample-ahead preview control; passivity-based control; coefficient diagram method; single-input single-output control; multi-input single-output control; Luenberger observer

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MDPI and ACS Style

Rymarski, Z. The Choice of the Control in the Single-Phase Voltage Source Inverters for UPS Systems. Energies 2026, 19, 1548. https://doi.org/10.3390/en19061548

AMA Style

Rymarski Z. The Choice of the Control in the Single-Phase Voltage Source Inverters for UPS Systems. Energies. 2026; 19(6):1548. https://doi.org/10.3390/en19061548

Chicago/Turabian Style

Rymarski, Zbigniew. 2026. "The Choice of the Control in the Single-Phase Voltage Source Inverters for UPS Systems" Energies 19, no. 6: 1548. https://doi.org/10.3390/en19061548

APA Style

Rymarski, Z. (2026). The Choice of the Control in the Single-Phase Voltage Source Inverters for UPS Systems. Energies, 19(6), 1548. https://doi.org/10.3390/en19061548

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