Scientific interests: Microprocessor and digital control of power electronic converters, PWM inverters, also multilevel inverters, pulse width modulation methods. Industry implementation: - 2004-2005 - control system of PWM inverter (1kV, 200kW) based on DSC TI TMS 320F2812.
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2002 - microprocessor control system (Renesas H8/3048F) of voltage resonant inverter for induction heating and melting (frequency 15-100kHz, nominal power up to 300kW).
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1999-2002 - microprocessor control system (Renesas H8/3048F) of softstart (20-200kVA).
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1990-2003 - microprocessor control system (Zilog Z-80, Intel 80C196KC) of PWM inverter (three generations).
Research projects: - Grant of Polish Scientific Research Council: Random modulation IPDM and its application for control of class-D resonant voltage inverter, 24.03.2003-24.01.2004.
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Hipolity Craft, ENK6-CT-2002-3002: Innovative New High Temperature Superconducting Magnetic Storage (SMES) System for High Efficient Power Quality - contractor. Realization period: 12.2002 - 05.2005.
Patents: - Biskup T.: Method of control of PWM inverter transistors during DC current breaking of induction motor, Patent applied for, No. PL376978, date of application: 09.09.2005.
Monographs, books and textbooks: - Grzesik B. (Ed.): Power electronics - laboratory, published by: Wydawnictwo Politechniki Šl±skiej, Gliwice 2001 (In Polish).
Publications: - Zygmanowski M., Biskup T., Maj W., Michalak J.: Microprocessor control of 3-level diode-clamped PWM inverter - idea and realization, VII Conference SENE, Lodz-Arturowek, Poland, 23-25.11.2005 (in Polish).
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Michalak J., Biskup T., Buhrer C., Grzesik B., Kellers J., Pasko S., Roest-Krijgsman J., Stepien M., Zygmanowski M.: Analysis of Thyristor Switch in Power Conditioning System with SMES, proceedings of EPE 2005 Conference, Dresden, Germany, 11-14.09.2005.
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Pasko S., Biskup T., Buhrer C., Grzesik B., Kellers J., Roest-Krijgsman J., Michalak J., Stepien M., Zygmanowski M.: Comparison of SMES and ScES Based Power Conditioning Systems, proceedings of EPE 2005 Conference, Dresden, Germany, 11-14.09.2005.
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Biskup T., Grzesik B., Michalak J.: Real time simulation of Power conditioning system using dSPACE 1104, Elektronika no. 1/2005 (in Polish).
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Biskup T., Buhrer C., Grzesik B., Krijgsman J., Michalak J., Pasko S., Zygmanowski M.: Power Conditioning System with SMES - A Way to Provide High Power Quality, Zeszyty Naukowe Politechniki Slaskiej, seria Elektryka, z. 192, Gliwice 2004.
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Biskup T., Buhrer C., Grzesik B., Krijgsman J., Michalak J., Pasko S., Stepien M., Zygmanowski M.: Control System of Power Conditioning System with Superconducting Magnetic Energy Storage in Different Operation Conditions, Conference proceedings EPE-PEMC'04, Latvia, 02-04.09.2004.
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Biskup T., Buhrer C., Grzesik B., Krijgsman J., Michalak J., Pasko S., Stepien M., Zygmanowski M.: Analysis of Inductance and Magnetic Field Distribution in the Superconducting Coil Assigned for Energy Storage Applications, Conference proceedings EPE-PEMC'04, Riga, Latvia, 02-04.09.2004.
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Biskup T., Buhrer C., Grzesik B., Krijgsman J., Michalak J., Pasko S., Stepien M., Zygmanowski M.: Physical Model of Superconducting Coil in Real Experiment, Conference proceedings EPE-PEMC'04, Riga, Latvia, 02-04.09.2004.
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Grzesik B., Biskup T., Buhrer C., Krijgsman J., Michalak J., Pasko S., Stepien M., Zygmanowski M.: Comparison of Voltage and Current AC-DC Inverters Working in SMES Based PCS, Conference proceedings EPE-PEMC'04, Riga, Latvia, 02-04.09.2004.
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Biskup T., Buhrer C., Grzesik B., Krijgsman J., Michalak J., Pasko S., Zygmanowski M.: Multilevel Converter for Power Conditioning System with SMES, Przeglad Elektrotechniczny 6'2004.
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Biskup T., Fras M.: Experimental Results of PI and Fuzzy Controllers, proceedings of Electrical Drives and Power Electronics Conference, EDPE03, High Tatras, Slovak Republic, 24-26.09.2003.
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Biskup T., Kasprzak M., Gorka S.: Random Integral Pulse Density Modulation - Control Strategy for Class D and DE Resonant Inverters, proceedings of Electrical Drives and Power Electronics Conference, EDPE03, High Tatras, Slovak Republic, 24-26.09.2003.
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