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Prof. Dr. Ryszard Strzelecki
Gdansk University of Technology

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Research Keywords & Expertise

0 Power Conditioning
0 Power Converters
0 Multilevel converters
0 Power electronic
0 High Power Converters

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Power electronic
Power Converters
Power Conditioning
Multilevel converters

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Journal article
Published: 25 April 2021 in Energies
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Increasing converter power density is a problem of topical interest. This paper discusses an interleaved approach of the efficiency increase in the buck-boost stage of an inverter with unfolding circuit in terms of losses in semiconductors, output voltage ripples and power density. Main trends in the power converter development are reviewed. A losses model was designed and used for the proposed solution to find an optimal number of interleaved cells. It describes static and dynamic losses in semiconductor switches for buck and boost mode. The presented calculation results demonstrate the efficiency of the interleaved approach for photovoltaic system. 1 kW power converter prototype was designed with two parallel dc-dc cells for experimental verification of obtained theoretical results. The experimental results confirm theoretical statements.

ACS Style

Artem Fesenko; Oleksandr Matiushkin; Oleksandr Husev; Dmitri Vinnikov; Ryszard Strzelecki; Piotr Kołodziejek. Design and Experimental Validation of a Single-Stage PV String Inverter with Optimal Number of Interleaved Buck-Boost Cells. Energies 2021, 14, 2448 .

AMA Style

Artem Fesenko, Oleksandr Matiushkin, Oleksandr Husev, Dmitri Vinnikov, Ryszard Strzelecki, Piotr Kołodziejek. Design and Experimental Validation of a Single-Stage PV String Inverter with Optimal Number of Interleaved Buck-Boost Cells. Energies. 2021; 14 (9):2448.

Chicago/Turabian Style

Artem Fesenko; Oleksandr Matiushkin; Oleksandr Husev; Dmitri Vinnikov; Ryszard Strzelecki; Piotr Kołodziejek. 2021. "Design and Experimental Validation of a Single-Stage PV String Inverter with Optimal Number of Interleaved Buck-Boost Cells." Energies 14, no. 9: 2448.

Journal article
Published: 05 October 2020 in Energies
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The article presents applications of systems with power electronic converters, high voltage transformers, and discharge chambers used for nonthermal, dielectric barrier discharge plasma treatment of a plastic surface and decontamination of organic loose products. In these installations, the inductance of the high voltage transformers and the capacitances of the electrode sets form resonant circuits that are excited by inverters. The article presents characteristic features of the installations and basic mathematical relationships as well as the impact of individual parameters of system components. These converters with their output installations were designed, built, and tested by the authors. Some of the converters developed by the authors are manufactured and used in the industry.

ACS Style

Jan Mucko; Robert Dobosz; Ryszard Strzelecki. Dielectric Barrier Discharge Systems with HV Generators and Discharge Chambers for Surface Treatment and Decontamination of Organic Products. Energies 2020, 13, 5181 .

AMA Style

Jan Mucko, Robert Dobosz, Ryszard Strzelecki. Dielectric Barrier Discharge Systems with HV Generators and Discharge Chambers for Surface Treatment and Decontamination of Organic Products. Energies. 2020; 13 (19):5181.

Chicago/Turabian Style

Jan Mucko; Robert Dobosz; Ryszard Strzelecki. 2020. "Dielectric Barrier Discharge Systems with HV Generators and Discharge Chambers for Surface Treatment and Decontamination of Organic Products." Energies 13, no. 19: 5181.

Journal article
Published: 28 August 2020 in Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova
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ACS Style

Konstantin A. Vorobev; ITMO University; Nikolai A. Poliakov; Ryszard Strzelecki; Gdansk University of Technology. BIDIRECTIONAL POWER CONVERTER SYSTEM IMPLEMENTATION IN LIMITED POWER GRID. Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 2020, 12, 1 .

AMA Style

Konstantin A. Vorobev, ITMO University, Nikolai A. Poliakov, Ryszard Strzelecki, Gdansk University of Technology. BIDIRECTIONAL POWER CONVERTER SYSTEM IMPLEMENTATION IN LIMITED POWER GRID. Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova. 2020; 12 (4):1.

Chicago/Turabian Style

Konstantin A. Vorobev; ITMO University; Nikolai A. Poliakov; Ryszard Strzelecki; Gdansk University of Technology. 2020. "BIDIRECTIONAL POWER CONVERTER SYSTEM IMPLEMENTATION IN LIMITED POWER GRID." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 12, no. 4: 1.

Journal article
Published: 27 August 2020 in Energies
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This paper proposes and discusses a concept of a hybrid modulation for the control of modular voltage source inverters with coupled reactors. The use of coupled reactors as the integrating elements leads to significant reduction in the size and weight of the circuit. The proposed modulation combines novel coarsely quantized pulse amplitude modulation (CQ-PAM) and innovative space-vector pulse width modulation (SVPWM). The former enjoys very low transistor switching frequency and low harmonic elimination, while the latter ensures high resolution of amplitude control. The SVPWM is based on the use of barycentric coordinates. The feasibility of the proposed solution is verified by simulations and laboratory tests of a 12-pulse modular voltage source inverters with two-level and three-level component inverters.

ACS Style

Krzysztof Jakub Szwarc; Paweł Szczepankowski; Janusz Nieznański; Cezary Swinarski; Aleksandr Usoltsev; Ryszard Strzelecki. Hybrid Modulation for Modular Voltage Source Inverters with Coupled Reactors. Energies 2020, 13, 4450 .

AMA Style

Krzysztof Jakub Szwarc, Paweł Szczepankowski, Janusz Nieznański, Cezary Swinarski, Aleksandr Usoltsev, Ryszard Strzelecki. Hybrid Modulation for Modular Voltage Source Inverters with Coupled Reactors. Energies. 2020; 13 (17):4450.

Chicago/Turabian Style

Krzysztof Jakub Szwarc; Paweł Szczepankowski; Janusz Nieznański; Cezary Swinarski; Aleksandr Usoltsev; Ryszard Strzelecki. 2020. "Hybrid Modulation for Modular Voltage Source Inverters with Coupled Reactors." Energies 13, no. 17: 4450.

Journal article
Published: 26 June 2020 in Energies
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In this work, the concept of an energy conversion system for wind turbines based on the modified permanent magnet synchronous generator (PMSG) is presented. In the generator, a pair of three-phase windings is used, one of which is connected in a “star” and the second in a “delta” configuration. At the outputs of both windings, two six-pulse uncontrolled (diode) rectifiers are included. These rectifiers are mutually coupled by a specially designed pulse transformer, whose primary winding is powered by the power electronics converter—the so-called “current modulator”—which, in this case, operates as a magnetic flux modulator, in the generator. The modulator provides a quasi-sinusoidal magnetomotive force (mmf) in the stator of the machine. The whole system is connected to the power grid via a dedicated voltage source inverter (VSI) converter. The main objective of the elaborated solution is to provide high efficiency conversion of mechanical (wind) energy into electricity by means of a relatively simple electrical system.

ACS Style

Michał Gwóźdź; Michał Krystkowiak; Łukasz Ciepliński; Ryszard Strzelecki. A Wind Energy Conversion System Based on a Generator with Modulated Magnetic Flux. Energies 2020, 13, 3285 .

AMA Style

Michał Gwóźdź, Michał Krystkowiak, Łukasz Ciepliński, Ryszard Strzelecki. A Wind Energy Conversion System Based on a Generator with Modulated Magnetic Flux. Energies. 2020; 13 (12):3285.

Chicago/Turabian Style

Michał Gwóźdź; Michał Krystkowiak; Łukasz Ciepliński; Ryszard Strzelecki. 2020. "A Wind Energy Conversion System Based on a Generator with Modulated Magnetic Flux." Energies 13, no. 12: 3285.

Conference paper
Published: 01 May 2020 in 2020 IEEE 7th International Conference on Energy Smart Systems (ESS)
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AC voltage transformation circuits contain pure or reactance PWM AC/AC converters. These circuits can be treated as AC/AC semiconductor transformers. This paper reviews single-phase and three-phase topologies: both non-isolated and isolated, single as well as two quadrant structure. Additionally, this paper present selected examples of their applications.

ACS Style

Ryszard Strzelecki; Natalia Strzelecka. Single and Three -Phase PWM AC/AC Converters as Semiconductor Transformers. 2020 IEEE 7th International Conference on Energy Smart Systems (ESS) 2020, 79 -82.

AMA Style

Ryszard Strzelecki, Natalia Strzelecka. Single and Three -Phase PWM AC/AC Converters as Semiconductor Transformers. 2020 IEEE 7th International Conference on Energy Smart Systems (ESS). 2020; ():79-82.

Chicago/Turabian Style

Ryszard Strzelecki; Natalia Strzelecka. 2020. "Single and Three -Phase PWM AC/AC Converters as Semiconductor Transformers." 2020 IEEE 7th International Conference on Energy Smart Systems (ESS) , no. : 79-82.

Journal article
Published: 01 April 2020 in Scientific and Technical Journal of Information Technologies, Mechanics and Optics
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Subject of Research. The paper discusses design principles of educational laboratory bench for practical research of electric drive control systems. The laboratory bench provides training opportunities for students in “Control of Electrical Drives” course and is used to increase the efficiency of material acquisition. Method. The proposed solution was based on the method of mutual loading of electric machines powered by the power converters with a common direct current link. At that, one electric machine can be used as a tested one, and the other as a load one, and vice versa. The flow of power from a machine operating in generator mode to a machine operating in motor mode was ensured, which provides an energy-saving mode of operation when power is consumed only from the network to cover losses in power converters and the machine unit. To study the various structures of control systems for direct and alternating current motors, a method for software creation with a freely configurable structure was proposed. Main Results. The paper describes laboratory stands that contain a two-machine unit, where each electric motor receives power from its power semiconductor converter controlled by a real-time microcontroller control system. The software has been implemented for the synthesis of the control researched structure using the control system settings. The system setting is performed by a number of freely configurable control elements, which are then compiled into a control algorithm for the microcontroller. To ensure the safe execution of the experiment, the control algorithm works in conjunction with the main on-line software. Thus, protection for electric motors and power converters is provided. Thanks to the built-in protection software, it has become possible to achieve reliable operation of electric drives with the power of 1.5 kW, as well as to realize characteristics close to industrial ones. The paper describes in detail the features of laboratory equipment and software for the system of an induction motor field-oriented control. This example demonstrates the setting of control systems, compiling of executable code, an experiment procedure and evaluation of results. Practical Relevance. The considered approaches to the educational equipment creation can be used in the design of similar educational equipment in related disciplines. The results are applicable for scientific and research-pedagogical staff during the course of specialist training in the field of electric drive control systems. The presented equipment has been actively used for more than 5 years and can be of practical value in the educational process.

ACS Style

A. Anuchin; G.L. Demidova; Yu. Vagapov; R. Strzelecki. Research of electric drive systems with real time software configurable control. Scientific and Technical Journal of Information Technologies, Mechanics and Optics 2020, 20, 290 -300.

AMA Style

A. Anuchin, G.L. Demidova, Yu. Vagapov, R. Strzelecki. Research of electric drive systems with real time software configurable control. Scientific and Technical Journal of Information Technologies, Mechanics and Optics. 2020; 20 (2):290-300.

Chicago/Turabian Style

A. Anuchin; G.L. Demidova; Yu. Vagapov; R. Strzelecki. 2020. "Research of electric drive systems with real time software configurable control." Scientific and Technical Journal of Information Technologies, Mechanics and Optics 20, no. 2: 290-300.

Journal article
Published: 28 January 2020 in IEEE Access
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This paper proposes the generalized direct modulation for Conventional Matrix Converters (CMC) using the concept of analytical signals and barycentric coordinates. The paper proposes a novel approach to the Pulse Width Modulation (PWM) duty cycle computing, which allows faster prototyping of direct control algorithms. The explanation of the new idea using analytical considerations demonstrating the principles of direct voltage synthesis has been presented in the article. The study concerns mainly the CMC3 × 3 but solutions for 3 × n, 5 × 5, and 5 × 3 topologies have also been discussed. The transformation of instantaneous input voltages to analytic signals great permits for simple presenting of real input voltage conditions such as waveform type, asymmetry or other deformation like higher–order harmonics. The proposed interpolation methods allow for determining the values of PWM duty cycles using simple formulas based on the determinants of the 2nd–degree matrices. Therefore, the proposed method, which based on the barycentric coordinates, frees an algorithm from trigonometry and angles.

ACS Style

Pawel Szczepankowski; Tomasz Bajdecki; Ryszard Strzelecki. Direct Modulation for Conventional Matrix Converters Using Analytical Signals and Barycentric Coordinates. IEEE Access 2020, 8, 22592 -22616.

AMA Style

Pawel Szczepankowski, Tomasz Bajdecki, Ryszard Strzelecki. Direct Modulation for Conventional Matrix Converters Using Analytical Signals and Barycentric Coordinates. IEEE Access. 2020; 8 (99):22592-22616.

Chicago/Turabian Style

Pawel Szczepankowski; Tomasz Bajdecki; Ryszard Strzelecki. 2020. "Direct Modulation for Conventional Matrix Converters Using Analytical Signals and Barycentric Coordinates." IEEE Access 8, no. 99: 22592-22616.

Journal article
Published: 03 January 2020 in IEEE Access
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ACS Style

Pawel Szczepankowski; Nikolai Poliakov; Denis Vertegel; Krzysztof Jakub Szwarc; Ryszard Strzelecki. A New Concept of PWM Duty Cycle Computation Using the Barycentric Coordinates in a Three–Dimensional Voltage Vectors Arrangement. IEEE Access 2020, 8, 8019 -8031.

AMA Style

Pawel Szczepankowski, Nikolai Poliakov, Denis Vertegel, Krzysztof Jakub Szwarc, Ryszard Strzelecki. A New Concept of PWM Duty Cycle Computation Using the Barycentric Coordinates in a Three–Dimensional Voltage Vectors Arrangement. IEEE Access. 2020; 8 ():8019-8031.

Chicago/Turabian Style

Pawel Szczepankowski; Nikolai Poliakov; Denis Vertegel; Krzysztof Jakub Szwarc; Ryszard Strzelecki. 2020. "A New Concept of PWM Duty Cycle Computation Using the Barycentric Coordinates in a Three–Dimensional Voltage Vectors Arrangement." IEEE Access 8, no. : 8019-8031.

Journal article
Published: 27 August 2019 in IEEE Access
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ACS Style

Viktor Shevchenko; Oleksandr Husev; Ryszard Strzelecki; Bohdan Pakhaliuk; Nikolai Poliakov; Natalia Strzelecka. Compensation Topologies in IPT Systems: Standards, Requirements, Classification, Analysis, Comparison and Application. IEEE Access 2019, 7, 120559 -120580.

AMA Style

Viktor Shevchenko, Oleksandr Husev, Ryszard Strzelecki, Bohdan Pakhaliuk, Nikolai Poliakov, Natalia Strzelecka. Compensation Topologies in IPT Systems: Standards, Requirements, Classification, Analysis, Comparison and Application. IEEE Access. 2019; 7 ():120559-120580.

Chicago/Turabian Style

Viktor Shevchenko; Oleksandr Husev; Ryszard Strzelecki; Bohdan Pakhaliuk; Nikolai Poliakov; Natalia Strzelecka. 2019. "Compensation Topologies in IPT Systems: Standards, Requirements, Classification, Analysis, Comparison and Application." IEEE Access 7, no. : 120559-120580.

Conference paper
Published: 01 July 2019 in 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON)
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this 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.

ACS Style

Bohdan Pakhaliuk; Oleksandr Husev; Ryszard Strzelecki; Viktor Shevchenko; Khomenko Maksym. Comparative Evaluation of Multicoil Inductive Power Transfer Approaches Based on Z-source Network. 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON) 2019, 1 -5.

AMA Style

Bohdan Pakhaliuk, Oleksandr Husev, Ryszard Strzelecki, Viktor Shevchenko, Khomenko Maksym. Comparative Evaluation of Multicoil Inductive Power Transfer Approaches Based on Z-source Network. 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON). 2019; ():1-5.

Chicago/Turabian Style

Bohdan Pakhaliuk; Oleksandr Husev; Ryszard Strzelecki; Viktor Shevchenko; Khomenko Maksym. 2019. "Comparative Evaluation of Multicoil Inductive Power Transfer Approaches Based on Z-source Network." 2019 IEEE 2nd Ukraine Conference on Electrical and Computer Engineering (UKRCON) , no. : 1-5.

Conference paper
Published: 01 April 2019 in 2019 IEEE 6th International Conference on Energy Smart Systems (ESS)
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The paper presents the basic principles of operation of voltage source power line conditioners (VSPLC) as well as their energy and filtration properties. A 4-level cascade based Voltage Source Converter (VSC) is used as a voltage source. The advantages of this topology is relatively simple construction and simple way of balancing DC link voltages. Results of the theoretical and experimental investigations confirm good energetic and filtration properties compared to Active Power Filters (APF).

ACS Style

Ryszard Strzelecki; Natalia Strzelecka. Voltage Source Power Line Conditioner for Applications in Local Supply Systems. 2019 IEEE 6th International Conference on Energy Smart Systems (ESS) 2019, 171 -176.

AMA Style

Ryszard Strzelecki, Natalia Strzelecka. Voltage Source Power Line Conditioner for Applications in Local Supply Systems. 2019 IEEE 6th International Conference on Energy Smart Systems (ESS). 2019; ():171-176.

Chicago/Turabian Style

Ryszard Strzelecki; Natalia Strzelecka. 2019. "Voltage Source Power Line Conditioner for Applications in Local Supply Systems." 2019 IEEE 6th International Conference on Energy Smart Systems (ESS) , no. : 171-176.

Conference paper
Published: 01 April 2019 in 2019 IEEE 6th International Conference on Energy Smart Systems (ESS)
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The article presents four concepts of the multi-zone voltage regulation (MZVR) system. It is a combination of a distribution transformer with an on-load tap-changer, for step voltage regulation, and a power electronic converter, dimensioned for a fraction of MZVR power, realizing continuous voltage regulation, supplemented by a special switch, the so-called bypass. This allows voltage regulation at high resolution, wide range and with high dynamics and increased reliability. The work contains selected computer simulation results of the continuous regulation system, and considerations about extending the MZVR continuous voltage regulation range and its power level.

ACS Style

Ryszard Strzelecki; Wojciech Matelski; Robert Malkowski; Valentin Tomasov; Leszek Wolski; Antoni Krahel. Distribution Transformer with Multi-Zone Voltage Regulation for Smart Grid System Application. 2019 IEEE 6th International Conference on Energy Smart Systems (ESS) 2019, 132 -137.

AMA Style

Ryszard Strzelecki, Wojciech Matelski, Robert Malkowski, Valentin Tomasov, Leszek Wolski, Antoni Krahel. Distribution Transformer with Multi-Zone Voltage Regulation for Smart Grid System Application. 2019 IEEE 6th International Conference on Energy Smart Systems (ESS). 2019; ():132-137.

Chicago/Turabian Style

Ryszard Strzelecki; Wojciech Matelski; Robert Malkowski; Valentin Tomasov; Leszek Wolski; Antoni Krahel. 2019. "Distribution Transformer with Multi-Zone Voltage Regulation for Smart Grid System Application." 2019 IEEE 6th International Conference on Energy Smart Systems (ESS) , no. : 132-137.

Article
Published: 23 November 2018 in Cybernetics and Systems Analysis
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This paper investigates the increase in the response speed and stability of artificial intelligence systems that control dynamic technical objects. The problem of calculating the optimal time of switching an artificial intelligence system between software classes by the criterion of the rigidity degree of the model of a control object is considered. The solution of this problem is proposed for the general case of the control object dynamics when the rigidity of the mathematical model can significantly change during functioning and it is necessary to dynamically determine the moment of transition from standard methods of numerical integration to specialized numerical methods intended for calculating rigid dynamic models.

ACS Style

V. V. Khilenko; R. Strzelecki; I. Kotuliak. Solving the Problem of Dynamic Adaptability of Artificial Intelligence Systems that Control Dynamic Technical Objects. Cybernetics and Systems Analysis 2018, 54, 867 -873.

AMA Style

V. V. Khilenko, R. Strzelecki, I. Kotuliak. Solving the Problem of Dynamic Adaptability of Artificial Intelligence Systems that Control Dynamic Technical Objects. Cybernetics and Systems Analysis. 2018; 54 (6):867-873.

Chicago/Turabian Style

V. V. Khilenko; R. Strzelecki; I. Kotuliak. 2018. "Solving the Problem of Dynamic Adaptability of Artificial Intelligence Systems that Control Dynamic Technical Objects." Cybernetics and Systems Analysis 54, no. 6: 867-873.

Conference paper
Published: 01 November 2018 in 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)
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This 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 results is provided.

ACS Style

Bohdan Pakhaliuk; Oleksandr Husev; Ryszard Strzelecki; Kostiantyn Tytelmaier; Janis Zakis; Deniss Stepins. Optimal Multivariable Control for Modified Z-source Based IPT. 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) 2018, 1 -6.

AMA Style

Bohdan Pakhaliuk, Oleksandr Husev, Ryszard Strzelecki, Kostiantyn Tytelmaier, Janis Zakis, Deniss Stepins. Optimal Multivariable Control for Modified Z-source Based IPT. 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). 2018; ():1-6.

Chicago/Turabian Style

Bohdan Pakhaliuk; Oleksandr Husev; Ryszard Strzelecki; Kostiantyn Tytelmaier; Janis Zakis; Deniss Stepins. 2018. "Optimal Multivariable Control for Modified Z-source Based IPT." 2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) , no. : 1-6.

Conference paper
Published: 01 September 2018 in 2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS)
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This 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.

ACS Style

Bohdan Pakhaliuk; Oleksandr Husev; Ryszard Strzelecki; Kostiantyn Tytelmaier. Optimal Components Design for Modified Z-Source Based IPT Approach. 2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS) 2018, 11 -16.

AMA Style

Bohdan Pakhaliuk, Oleksandr Husev, Ryszard Strzelecki, Kostiantyn Tytelmaier. Optimal Components Design for Modified Z-Source Based IPT Approach. 2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS). 2018; ():11-16.

Chicago/Turabian Style

Bohdan Pakhaliuk; Oleksandr Husev; Ryszard Strzelecki; Kostiantyn Tytelmaier. 2018. "Optimal Components Design for Modified Z-Source Based IPT Approach." 2018 IEEE 3rd International Conference on Intelligent Energy and Power Systems (IEPS) , no. : 11-16.

Journal article
Published: 05 June 2018 in PRZEGLĄD ELEKTROTECHNICZNY
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Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informuj

ACS Style

Ryszard Strzelecki. Hybrid stepless distribution transformer with four-quadrant AC/DC/AC converter at low voltage side - simulation tests. PRZEGLĄD ELEKTROTECHNICZNY 2018, 1, 123 -129.

AMA Style

Ryszard Strzelecki. Hybrid stepless distribution transformer with four-quadrant AC/DC/AC converter at low voltage side - simulation tests. PRZEGLĄD ELEKTROTECHNICZNY. 2018; 1 (6):123-129.

Chicago/Turabian Style

Ryszard Strzelecki. 2018. "Hybrid stepless distribution transformer with four-quadrant AC/DC/AC converter at low voltage side - simulation tests." PRZEGLĄD ELEKTROTECHNICZNY 1, no. 6: 123-129.

Proceedings article
Published: 01 April 2018 in 2018 Innovative Materials and Technologies in Electrical Engineering (i-MITEL)
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In the article the hybrid storage, composed of Aqueous Hybrid Ion battery and supercapacitor was presented. The system was tested through simulation studies. The work also describes the construction and properties of the developed device meant to control the energy flow of the storage and a communication system for remote parameter supervision.

ACS Style

Leszek Wolski; Eugeniusz Lowiec; Piotr Bogusławski; Antoni Krahel; Wojciech Matelski; Ryszard Strzelecki. Hybrid storage management system consisting of supercapacitors and AHI batteries. 2018 Innovative Materials and Technologies in Electrical Engineering (i-MITEL) 2018, 1 -7.

AMA Style

Leszek Wolski, Eugeniusz Lowiec, Piotr Bogusławski, Antoni Krahel, Wojciech Matelski, Ryszard Strzelecki. Hybrid storage management system consisting of supercapacitors and AHI batteries. 2018 Innovative Materials and Technologies in Electrical Engineering (i-MITEL). 2018; ():1-7.

Chicago/Turabian Style

Leszek Wolski; Eugeniusz Lowiec; Piotr Bogusławski; Antoni Krahel; Wojciech Matelski; Ryszard Strzelecki. 2018. "Hybrid storage management system consisting of supercapacitors and AHI batteries." 2018 Innovative Materials and Technologies in Electrical Engineering (i-MITEL) , no. : 1-7.

Conference paper
Published: 01 October 2017 in 2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)
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Neutral point voltage drift compensation technique in 3-level NPC multilevel converter and servo system is described in the paper. Analytical expressions are obtained for power subsystem elements parameters of servo drive system. Simulation of servo system, based on PMSM motor with 3-level NPC converter is considered.

ACS Style

Pavel Zolov; Valentin Tomasov; Ryszard Strzelecki; Pavel Borisov. Neutral point balancing technique for 3-level neutral point clamped converter with servo system. 2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) 2017, 1 -6.

AMA Style

Pavel Zolov, Valentin Tomasov, Ryszard Strzelecki, Pavel Borisov. Neutral point balancing technique for 3-level neutral point clamped converter with servo system. 2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON). 2017; ():1-6.

Chicago/Turabian Style

Pavel Zolov; Valentin Tomasov; Ryszard Strzelecki; Pavel Borisov. 2017. "Neutral point balancing technique for 3-level neutral point clamped converter with servo system." 2017 IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) , no. : 1-6.

Journal article
Published: 01 October 2017 in Bulletin of the Polish Academy of Sciences Technical Sciences
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ACS Style

P. Bauer; M.P. Kazmierkowski; R. Strzelecki. Multilevel Converters. Bulletin of the Polish Academy of Sciences Technical Sciences 2017, 65, 563 -565.

AMA Style

P. Bauer, M.P. Kazmierkowski, R. Strzelecki. Multilevel Converters. Bulletin of the Polish Academy of Sciences Technical Sciences. 2017; 65 (5):563-565.

Chicago/Turabian Style

P. Bauer; M.P. Kazmierkowski; R. Strzelecki. 2017. "Multilevel Converters." Bulletin of the Polish Academy of Sciences Technical Sciences 65, no. 5: 563-565.