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PhD student Bohdan Pakhaliuk
Employment
- Doktorant at Gdańsk University of Technology
- 2021 - present Doctoral school PhD student at Faculty of Electrical and Control Engineering
Publications
Filters
total: 31
Catalog Publications
Year 2022
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Inductive Bifilar Coil Based Wireless Charging System for Autonomous Electric Boat
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Power Converter Solutions for Industrial PV Applications—A Review
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Power Converter Solutions for Industrial PV Applications—A Review
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Power Converter Solutions for Industrial PV Applications—A Review
Publication: As the use of photovoltaics becomes more widespread, new technologies for more efficient energy generation, transmission, and distribution based on power electronics converters are being developed. The most common applications are grid-on, energy storage, hybrid, and high voltage gain applications. These applications impose several additional requirements in the design of power converters associated with the solar battery’s maximum...
Year 2021
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Closed-Loop Control System Design for Wireless Charging of Low-Voltage EV Batteries with Time-Delay Constraints
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Closed-Loop Control System Design for Wireless Charging of Low-Voltage EV Batteries with Time-Delay Constraints
PublicationThis 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...
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Effect of Hybrid Modulation on Performance of Wireless Battery Charger Operating in CC/CV Mode
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Modified Inductive Multi-Coil Wireless Power Transfer Approach Based On Z-Source Network
PublicationThis article presents a non-conventional approach to a multi-coil wireless power transfer system based on a Z-source network. The novelty of the approach lies in the use of a Z-source as a voltage source for energy transmission through the wireless power transfer coils. The main advantage is in a reduced number of semiconductors. This paper provides the design approach, simulation and experimental study. Feasibility and possible...
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Multicoil dynamic wireless power transfer topology with shared primary side compensation system
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Optimal Rotating Receiver Angles Estimation for Multicoil Dynamic Wireless Power Transfer
PublicationThis study proposed an approach to dynamic wireless charging that uses a rotating receiver coil. Our simulation study focused on the verification of a novel way of increasing the coupling coefficient and power transfer stability by following the flux of the transmitting coils. To obtain the highest possible coupling by means of the FEM analysis, we studied the optimization of the trajectory of the angular velocity of the rotating...
Year 2020
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Experimental Comparison of Designed Inductance Coils for Wireless Power Transfer
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Feasibility Study GaN Transistors Application in the Novel Split-Coils Inductive Power Transfer System with T-Type Inverter
PublicationA promising solution for inductive power transfer and wireless charging is presented on the basis of a single-phase three-level T-type Neutral Point Clamped GaN-based inverter with two coupled transmitting coils. The article focuses on the feasibility study of GaN transistor application in the wireless power transfer system based on the T-type inverter on the primary side. An analysis of power losses in the main components of the...
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Losses Model of the WPT System with Single-Phase T-Type Inverter
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Reduction of Conducted Emissions Generated by WPT Systems with Multilevel Inverters using Spread Spectrum Approach
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Year 2019
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Coil Design for Wireless Power Transfer with Series-Parallel Compensation
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Comparative Analysis of Different Spread-Spectrum Techniques for Reduction of Conducted Emissions Generated by Magnetic Resonant Wireless Power Transfer Systems
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COMPARATIVE EVALUATION OF FERRITE SHIELDING DESIGNS IN INDUCTIVE POWER TRANSFER SYSTEMS
PublicationWireless power transfer technology is becoming widespread in last few years. In comparison to conventional solutions this technology can significantly increase maintainability and safety of charging systems. From the other side there are list of factors that limit efficiency of wireless systems. One of them is low coupling between coils caused by comparably high leakage inductance in comparison to regular transformer.
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Comparative Evaluation of Multicoil Inductive Power Transfer Approaches Based on Z-source Network
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Comparative Evaluation of Multicoil Inductive Power Transfer Approaches Based on Z-source Network
PublicationThis paper describes comparative evaluation between wireless power transfer topologies with utilization of Z-source network. Paper describes components calculation method. List of open-loop, close-loop simulations were conducted to compare both topologies. Spectrum of signals is also researched.
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Compensation Topologies in IPT Systems: Standards, Requirements, Classification, Analysis, Comparison and Application
PublicationWireless power transfer devices are becoming more relevant and widespread. Therefore, an article is devoted to a review, analysis and comparison of compensation topologies for an inductive power transfer. A new classification of topologies is developed. A lot of attention is paid to the problems of the physical fundamentals of compensation work, standards, safety, and five main topology requirements. It is determined, that topologies...
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Effect of Double-Slope Modulation Signals on Conducted Emissions and Efficiency of Strongly Coupled Magnetic Resonance WPT Systems
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Research and Development of Inductive-Resonant Wireless Power Transfer System
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Year 2018
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Design and Simulation Verification of Low Power Wireless Charging Battery System for Electric Bicycle
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Design Considerations of GaN Transistor Based Capacitive Wireless Power Transfer System
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Novel Inductive Power Transfer Approach Based on Z-Source Network with Compensation Circuit
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Optimal Components Design for Modified Z-Source Based IPT Approach
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Optimal Components Design for Modified Z-Source Based IPT Approach
PublicationThis paper describes components estimation process for IPT approach based on Z-source network. Proposed model covers main parameters of the system and gives efficient way to evaluate optimal parameters for fixed switching frequency and distance.
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Optimal Multivariable Control for Modified Z-source Based IPT
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Optimal Multivariable Control for Modified Z-source Based IPT
PublicationThis paper describes Z-source based inductive power transfer topologies control approaches. The goal of this work is a multi-variable control approach which involves a constant voltage/constant current control along with an optimal frequency control to obtain maximum efficiency. This control is applied to the wireless power transfer system based on a modified Z-source topology. The description of the control method along with simulation...
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ОГЛЯД І ПОРІВНЯННЯ БАЗОВИХ ТОПОЛОГІЙ КОМПЕНСАЦІЇ ДЛЯ БЕЗДРОТОВОЇ ПЕРЕДАЧІ ЕНЕРГІЇ
Publication
Year 2017
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