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Jaroslaw Luszcz
Department of Power Electronics and Electrical Machines, Faculty of Electrical and Control Engineering, Gdansk University of Technology, 80-233 Gdansk, Poland

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Journal article
Published: 30 June 2021 in Energies
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This paper presents an inductive power transfer system on the basis of a double single-phase three-level T-type inverter and two split transmitting coils for constant current and constant voltage wireless charging of low-voltage light electric vehicle batteries with closed-loop control, considering time-delay communication constraints. An optimal control structure and a modified control strategy were chosen and implemented to the wireless power transfer system as a result of a review and analysis of existing solutions. The control system analysis and adjustment of the coefficients of the regulator using Laplace transform were performed. Our study addressed the behavior of the control system with different time delays as well as the dynamic response of the system. The detecting algorithm of a secondary coil was proposed, which ensured efficient system operation and increased the functionality, safety and usability of the device. The efficiency of energy transfer of 90% was reached at the transmitted power of 110 W, which is at the level of existing solutions considered in the article and opens the way to the commercialization of the proposed solution. Therefore, the feasibility of using a nonclassical multilevel inverter, together with split transmitting coils for wireless charging was confirmed.

ACS Style

Viktor Shevchenko; Bohdan Pakhaliuk; Janis Zakis; Oleksandr Veligorskyi; Jaroslaw Luszcz; Oleksandr Husev; Oleksandr Lytvyn; Oleksandr Matiushkin. Closed-Loop Control System Design for Wireless Charging of Low-Voltage EV Batteries with Time-Delay Constraints. Energies 2021, 14, 3934 .

AMA Style

Viktor Shevchenko, Bohdan Pakhaliuk, Janis Zakis, Oleksandr Veligorskyi, Jaroslaw Luszcz, Oleksandr Husev, Oleksandr Lytvyn, Oleksandr Matiushkin. Closed-Loop Control System Design for Wireless Charging of Low-Voltage EV Batteries with Time-Delay Constraints. Energies. 2021; 14 (13):3934.

Chicago/Turabian Style

Viktor Shevchenko; Bohdan Pakhaliuk; Janis Zakis; Oleksandr Veligorskyi; Jaroslaw Luszcz; Oleksandr Husev; Oleksandr Lytvyn; Oleksandr Matiushkin. 2021. "Closed-Loop Control System Design for Wireless Charging of Low-Voltage EV Batteries with Time-Delay Constraints." Energies 14, no. 13: 3934.

Journal article
Published: 28 January 2021 in Energies
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In this paper, different Pulse Width Modulation (PWM) strategies for operating with a low-switching frequency, a topology that combines Conventional Matrix Converters (CMCs), and Coupled Reactors (CRs) are presented and discussed. The principles of the proposed strategies are first discussed by a conceptual analysis and later validated by simulation. The paper shows how the combination of CMCs and CRs could be of special interest for sharing the current among these converters’ modules, being possible to scale this solution to be a modular system. Therefore, the use of coupled reactors allows one to implement phase shifters that give the solution the ability to generate a stair-case load voltage with the desired power quality even the matrix converters are operated with a low-switching frequency close to the grid frequency. The papers also address how the volume and weight of the coupled reactors decrease with the growth of the fundamental output frequency, making this solution especially appropriate for high power applications that are supplied at high AC frequencies (for example, in airport terminals, where a supply of 400 Hz is required).

ACS Style

Pawel Szczepankowski; Jaroslaw Luszcz; Alexander Usoltsev; Natalia Strzelecka; Enrique Romero-Cadaval. The Conceptual Research over Low-Switching Modulation Strategy for Matrix Converters with the Coupled Reactors. Energies 2021, 14, 675 .

AMA Style

Pawel Szczepankowski, Jaroslaw Luszcz, Alexander Usoltsev, Natalia Strzelecka, Enrique Romero-Cadaval. The Conceptual Research over Low-Switching Modulation Strategy for Matrix Converters with the Coupled Reactors. Energies. 2021; 14 (3):675.

Chicago/Turabian Style

Pawel Szczepankowski; Jaroslaw Luszcz; Alexander Usoltsev; Natalia Strzelecka; Enrique Romero-Cadaval. 2021. "The Conceptual Research over Low-Switching Modulation Strategy for Matrix Converters with the Coupled Reactors." Energies 14, no. 3: 675.