Johann W. Kolar

Publication Activity (10 Years)

Years Active: 1995-2024
Publications (10 Years): 26

Top Topics

Experimental Verification

Power Electronics

Loading Conditions

Top Venues

IEEE Trans. Ind. Electron.

Publications

Tim Bierewirtz, Krishnaraj Narayanaswamy, Rosario Giuffrida, Tim Rese, Dominik Bortis, Daniel Zimpfer, Johann W. Kolar, Ulrich Kertzscher, Marcus Granegger
A Novel Pumping Principle for a Total Artificial Heart. IEEE Trans. Biomed. Eng. 71 (2) (2024)
Gwendolin Rohner, Tino Gfrörer, Pascal S. Niklaus, Dominik Bortis, Mario Schweizer, Johann W. Kolar
Comparative Evaluation of Three-Phase Three-Level GaN and Seven-Level Si Flying Capacitor Inverters for Integrated Motor Drives Considering Overload Operation. IEEE Access 12 (2024)
Thomas Langbauer, David Menzi, Valentin Marugg, Franz Vollmaier, Jon Azurza, Matthias Kasper, Johann W. Kolar
Third-Harmonic-Type Modulation Minimizing the DC-Link Energy Storage Requirement of Isolated Phase-Modular Three-Phase PFC Rectifier Systems. IEEE Access 11 (2023)
Spasoje Milorad Miric, Pascal S. Niklaus, Jonas E. Huber, Christof Stäger, Michael Haider, Johann W. Kolar
Analysis and Experimental Verification of the EMI Signature of Three-Phase Three-Level TCM Soft-Switching Converter Systems. IEEE Access 11 (2023)
Julian Böhler, Jonas E. Huber, Johann Wurz, Martin Stránský, Nissim Uvaidov, Srdjan Srdic, Johann W. Kolar
Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects. IEEE Access 10 (2022)
Spasoje Milorad Miric, Johann W. Kolar, Dominik Bortis
Novel tubular linear actuator with integrated magnetic bearing. Elektrotech. Informationstechnik 139 (2) (2022)
Pascal Puentener, Marcel Schuck, Johann W. Kolar
CFD Assisted Evaluation of In Vitro Experiments on Bearingless Blood Pumps. IEEE Trans. Biomed. Eng. 68 (4) (2021)
Jonas E. Huber, Johann W. Kolar
Modular Multilevel Converter Circulating Current Control with Single Active Filter Module per Phase. ICIT (2021)
Ivana Bagaric, Daniel Steinert, Florian Wassmer, Thomas Holenstein, Thomas Nussbaumer, Johann W. Kolar
Design and Characterization of a Bearingless Cross-Flow Fan. AIM (2021)
Cheng Gong, Arda Tuysuz, Michael Flankl, Tibor Stolz, Johann W. Kolar, Thomas G. Habetler
Experimental Analysis and Optimization of a Contactless Eddy-Current-Based Speed Sensor for Smooth Conductive Surfaces. IEEE Trans. Ind. Electron. 67 (10) (2020)
Daifei Zhang, Mattia Guacci, Johann W. Kolar, Jordi Everts
Three-Phase Bidirectional Ultra-Wide Output Voltage Range Current DC-Link AC/DC Buck-Boost Converter. IECON (2020)
Spasoje Milorad Miric, Pascal Kuttel, Arda Tuysuz, Johann W. Kolar
Design and Experimental Analysis of a New Magnetically Levitated Tubular Linear Actuator. IEEE Trans. Ind. Electron. 66 (6) (2019)
Marcel Schuck, Pascal Puentener, Thomas Holenstein, Johann W. Kolar
Scaling and design of miniature high-speed bearingless slice motors. Elektrotech. Informationstechnik 136 (2) (2019)
Jonas E. Huber, Johann W. Kolar
Applicability of Solid-State Transformers in Today's and Future Distribution Grids. IEEE Trans. Smart Grid 10 (1) (2019)
Michael Flankl, Lucas de Oliveira Baumann, Arda Tuysuz, Johann W. Kolar
Energy Harvesting With Single-Sided Linear Induction Machines Featuring Secondary Conductive Coating. IEEE Trans. Ind. Electron. 66 (6) (2019)
Arda Tuysuz, Timon Achtnich, Christof Zwyssig, Johann W. Kolar
A 300 000-r/min Magnetically Levitated Reaction Wheel Demonstrator. IEEE Trans. Ind. Electron. 66 (8) (2019)
Oliver Knecht, Yves Jundt, Johann W. Kolar
Planar inverted-F antenna design for a fully implantable mechanical circulatory support system. ICIT (2017)
Michael Flankl, Arda Tuysuz, Johann W. Kolar
Cogging Torque Shape Optimization of an Integrated Generator for Electromechanical Energy Harvesting. IEEE Trans. Ind. Electron. 64 (12) (2017)
Andreas Looser, Arda Tuysuz, Christof Zwyssig, Johann W. Kolar
Active Magnetic Damper for Ultrahigh-Speed Permanent-Magnet Machines With Gas Bearings. IEEE Trans. Ind. Electron. 64 (4) (2017)
Mario Mauerer, Arda Tuysuz, Johann W. Kolar
Low-Jitter GaN E-HEMT Gate Driver With High Common-Mode Voltage Transient Immunity. IEEE Trans. Ind. Electron. 64 (11) (2017)
Panteleimon Papamanolis, Dominik Neumayr, Johann W. Kolar
Behavior of the flying capacitor converter under critical operating conditions. ISIE (2017)
Mario Mauerer, Arda Tuysuz, Johann W. Kolar
Voltage/current measurement performance and power supply rejection in all-digital Class-D power amplifiers. IECON (2016)
Michael Flankl, Arda Tuysuz, Johann W. Kolar
Outrunner generator with optimized cogging torque pattern for an electromechanical energy harvester. IECON (2016)
Christoph Gammeter, Florian Krismer, Johann W. Kolar
Weight and efficiency analysis of switched circuit topologies for modular power electronics in MEA. IECON (2016)
Michael Antivachis, Matthias Kasper, Dominik Bortis, Johann W. Kolar
Analysis of capacitive power transfer GaN ISOP multi-cell DC/DC converter systems for single-phase telecom power supply modules. IECON (2016)
Arda Tuysuz, Johann W. Kolar
New Position-Sensing Concept for Miniature Lateral-Stator Machines. IEEE Trans. Ind. Electron. 63 (6) (2016)
Oliver Knecht, Johann W. Kolar
Impact of Transcutaneous Energy Transfer on the electric field and specific absorption rate in the human tissue. IECON (2015)
Thomas Guillod, Florian Krismer, Raphael Farber, Christian M. Franck, Johann W. Kolar
Protection of MV/LV solid-state transformers in the distribution grid. IECON (2015)
Michael Flankl, Arda Tuysuz, Johann W. Kolar
Analysis and power scaling of a single-sided linear induction machine for energy harvesting. IECON (2015)
Toke Meyer Andersen, Florian Krismer, Johann W. Kolar, Thomas Toifl, Christian Menolfi, Lukas Kull, Thomas Morf, Marcel A. Kossel, Matthias Braendli, Peter Buchmann, Pier Andrea Francese
at 90% efficiency using deep-trench capacitors in 32nm SOI CMOS. ISSCC (2014)
Ivana F. Kovacevic, Thomas Friedli, Andreas M. Muesing, Johann W. Kolar
3-D Electromagnetic Modeling of EMI Input Filters. IEEE Trans. Ind. Electron. 61 (1) (2014)
Christoph Gammeter, Yannick Drapela, Arda Tuysuz, Johann W. Kolar
Weight optimization of a machine for airborne wind turbines. IECON (2014)
Florian Giezendanner, Jürgen Biela, Johann W. Kolar
Optimization and Performance Evaluation of an AC-Chopper Ballast for HPS Lamps. IEEE Trans. Ind. Electron. 61 (5) (2014)
Daniel Steinert, Thomas Nussbaumer, Johann W. Kolar
Slotless Bearingless Disk Drive for High-Speed and High-Purity Applications. IEEE Trans. Ind. Electron. 61 (11) (2014)
Andreas Looser, Johann W. Kolar
An Active Magnetic Damper Concept for Stabilization of Gas Bearings in High-Speed Permanent-Magnet Machines. IEEE Trans. Ind. Electron. 61 (6) (2014)
Arda Tuysuz, Christof Zwyssig, Johann W. Kolar
A Novel Motor Topology for High-Speed Micro-Machining Applications. IEEE Trans. Ind. Electron. 61 (6) (2014)
Thomas Baumgartner, Ralph M. Burkart, Johann W. Kolar
Analysis and Design of a 300-W 500 000-r/min Slotless Self-Bearing Permanent-Magnet Motor. IEEE Trans. Ind. Electron. 61 (8) (2014)
Thiago Batista Soeiro, Johann W. Kolar
The New High-Efficiency Hybrid Neutral-Point-Clamped Converter. IEEE Trans. Ind. Electron. 60 (5) (2013)
Lee Empringham, Johann W. Kolar, José R. Rodríguez, Pat Wheeler, Jon C. Clare
Technological Issues and Industrial Application of Matrix Converters: A Review. IEEE Trans. Ind. Electron. 60 (10) (2013)
Thiago Batista Soeiro, Jonas Mühlethaler, Jorgen Linner, Per Ranstad, Johann W. Kolar
Automated Design of a High-Power High-Frequency LCC Resonant Converter for Electrostatic Precipitators. IEEE Trans. Ind. Electron. 60 (11) (2013)
Thiago Batista Soeiro, Johann W. Kolar
Analysis of High-Efficiency Three-Phase Two- and Three-Level Unidirectional Hybrid Rectifiers. IEEE Trans. Ind. Electron. 60 (9) (2013)
Mario Schweizer, Thomas Friedli, Johann W. Kolar
Comparative Evaluation of Advanced Three-Phase Three-Level Inverter/Converter Topologies Against Two-Level Systems. IEEE Trans. Ind. Electron. 60 (12) (2013)
Patricio Cortes, Jonas E. Huber, Marcelo Silva, Johann W. Kolar
New modulation and control scheme for phase-modular isolated matrix-type three-phase AC/DC converter. IECON (2013)
Frank Schafmeister, Johann W. Kolar
Novel Hybrid Modulation Schemes Significantly Extending the Reactive Power Control Range of All Matrix Converter Topologies With Low Computational Effort. IEEE Trans. Ind. Electron. 59 (1) (2012)
José R. Rodríguez, Marco Rivera, Johann W. Kolar, Patrick W. Wheeler
A Review of Control and Modulation Methods for Matrix Converters. IEEE Trans. Ind. Electron. 59 (1) (2012)
Michael Hartmann, Johann Miniböck, Hans Ertl, Johann W. Kolar
A Three-Phase Delta Switch Rectifier for Use in Modern Aircraft. IEEE Trans. Ind. Electron. 59 (9) (2012)
Bernhard Warberger, Remo Kaelin, Thomas Nussbaumer, Johann W. Kolar
50-N·m/2500-W Bearingless Motor for High-Purity Pharmaceutical Mixing. IEEE Trans. Ind. Electron. 59 (5) (2012)
Thomas Friedli, Johann W. Kolar, José R. Rodríguez, Patrick W. Wheeler
Comparative Evaluation of Three-Phase AC-AC Matrix Converter and Voltage DC-Link Back-to-Back Converter Systems. IEEE Trans. Ind. Electron. 59 (12) (2012)
Florian Krismer, Johann W. Kolar
Efficiency-Optimized High-Current Dual Active Bridge Converter for Automotive Applications. IEEE Trans. Ind. Electron. 59 (7) (2012)
Jonas Mühlethaler, Hirofumi Uemura, Johann W. Kolar
Optimal design of EMI filters for single-phase boost PFC circuits. IECON (2012)
Thomas Reichert, Thomas Nussbaumer, Johann W. Kolar
Bearingless 300-W PMSM for Bioreactor Mixing. IEEE Trans. Ind. Electron. 59 (3) (2012)
Roman Bosshard, Jonas Mühlethaler, Johann W. Kolar, Ivica Stevanovic
The η-α-Pareto front of inductive power transfer coils. IECON (2012)
Thomas Baumgartner, Ralph M. Burkart, Johann W. Kolar
Analysis and design of an ultra-high-speed slotless self-bearing permanent-magnet motor. IECON (2012)
Daniel Krähenbühl, Christof Zwyssig, Johann W. Kolar
Half-Controlled Boost Rectifier for Low-Power High-Speed Permanent-Magnet Generators. IEEE Trans. Ind. Electron. 58 (11) (2011)
Martin T. Bartholet, Thomas Nussbaumer, Johann W. Kolar
Comparison of Voltage-Source Inverter Topologies for Two-Phase Bearingless Slice Motors. IEEE Trans. Ind. Electron. 58 (5) (2011)
Uwe Badstuebner, Jürgen Biela, Daniel Christen, Johann W. Kolar
Optimization of a 5-kW Telecom Phase-Shift DC-DC Converter With Magnetically Integrated Current Doubler. IEEE Trans. Ind. Electron. 58 (10) (2011)
Jürgen Biela, Mario Schweizer, Stefan Waffler, Johann W. Kolar
SiC versus Si - Evaluation of Potentials for Performance Improvement of Inverter and DC-DC Converter Systems by SiC Power Semiconductors. IEEE Trans. Ind. Electron. 58 (7) (2011)
Marcelo Lobo Heldwein, Luca Dalessandro, Johann W. Kolar
The Three-Phase Common-Mode Inductor: Modeling and Design Issues. IEEE Trans. Ind. Electron. 58 (8) (2011)
Johann W. Kolar, Thomas Friedli, José R. Rodríguez, Patrick W. Wheeler
Review of Three-Phase PWM AC-AC Converter Topologies. IEEE Trans. Ind. Electron. 58 (11) (2011)
Marcelo Lobo Heldwein, Hans Ertl, Jürgen Biela, Johann W. Kolar
Implementation of a Transformerless Common-Mode Active Filter for Offline Converter Systems. IEEE Trans. Ind. Electron. 57 (5) (2010)
Florian Krismer, Johann W. Kolar
Accurate Power Loss Model Derivation of a High-Current Dual Active Bridge Converter for an Automotive Application. IEEE Trans. Ind. Electron. 57 (3) (2010)
Klaus Raggl, Thomas Nussbaumer, Johann W. Kolar
Guideline for a Simplified Differential-Mode EMI Filter Design. IEEE Trans. Ind. Electron. 57 (3) (2010)
Philipp Karutz, Thomas Nussbaumer, Wolfgang Gruber, Johann W. Kolar
Acceleration-Performance Optimization for Motors With Large Air Gaps. IEEE Trans. Ind. Electron. 57 (1) (2010)
Marcelo Lobo Heldwein, Jürgen Biela, Hans Ertl, Thomas Nussbaumer, Johann W. Kolar
Novel Three-Phase CM/DM Conducted Emission Separator. IEEE Trans. Ind. Electron. 56 (9) (2009)
Pablo Correa, José R. Rodríguez, Marco Rivera, José R. Espinoza, Johann W. Kolar
Predictive Control of an Indirect Matrix Converter. IEEE Trans. Ind. Electron. 56 (6) (2009)
Klaus Raggl, Thomas Nussbaumer, Gregor Doerig, Jürgen Biela, Johann W. Kolar
Comprehensive Design and Optimization of a High-Power-Density Single-Phase Boost PFC. IEEE Trans. Ind. Electron. 56 (7) (2009)
Thomas Nussbaumer, Klaus Raggl, Johann W. Kolar
Design Guidelines for Interleaved Single-Phase Boost PFC Circuits. IEEE Trans. Ind. Electron. 56 (7) (2009)
Klaus Raggl, Bernhard Warberger, Thomas Nussbaumer, Simon Burger, Johann W. Kolar
Robust Angle-Sensorless Control of a PMSM Bearingless Pump. IEEE Trans. Ind. Electron. 56 (6) (2009)
Predrag V. Pejovic, Johann W. Kolar
Exact Analysis of Three-Phase Rectifiers With Constant Voltage Loads. IEEE Trans. Circuits Syst. II Express Briefs (8) (2008)
Thomas Friedli, Simon D. Round, Dominik Hassler, Johann W. Kolar
Design and Performance of a 200 kHz All-SiC JFET Current Source Converter. IAS (2008)
Thomas Nussbaumer, Marcelo Lobo Heldwein, Guanghai Gong, Simon D. Round, Johann W. Kolar
Comparison of Prediction Techniques to Compensate Time Delays Caused by Digital Control of a Three-Phase Buck-Type PWM Rectifier System. IEEE Trans. Ind. Electron. 55 (2) (2008)
Christof Zwyssig, Simon D. Round, Johann W. Kolar
An Ultrahigh-Speed, Low Power Electrical Drive System. IEEE Trans. Ind. Electron. 55 (2) (2008)
Guanghai Gong, Hans Ertl, Johann W. Kolar
Novel Tracking Power Supply for Linear Power Amplifiers. IEEE Trans. Ind. Electron. 55 (2) (2008)
Martina Baumann, Johann W. Kolar
Parallel Connection of Two Three-Phase Three-Switch Buck-Type Unity-Power-Factor Rectifier Systems With DC-Link Current Balancing. IEEE Trans. Ind. Electron. 54 (6) (2007)
Jorma Luomi, Christof Zwyssig, Andreas Looser, Johann W. Kolar
Efficiency Optimization of a 100-W, 500 000-rpm Permanent-Magnet Machine Including Air Friction Losses. IAS (2007)
Thomas Nussbaumer, Johann W. Kolar
Comparison of 3-Phase Wide Output Voltage Range PWM Rectifiers. IEEE Trans. Ind. Electron. 54 (6) (2007)
Thomas Nussbaumer, Marcelo Lobo Heldwein, Johann W. Kolar
Differential Mode Input Filter Design for a Three-Phase Buck-Type PWM Rectifier Based on Modeling of the EMC Test Receiver. IEEE Trans. Ind. Electron. 53 (5) (2006)
Hans Ertl, Johann W. Kolar
A constant output current three-phase diode bridge rectifier employing a novel "Electronic Smoothing Inductor". IEEE Trans. Ind. Electron. 52 (2) (2005)
Johann Miniböck, Johann W. Kolar
Novel concept for mains voltage proportional input current shaping of a VIENNA rectifier eliminating controller multipliers. IEEE Trans. Ind. Electron. 52 (1) (2005)
Guanghai Gong, Marcelo Lobo Heldwein, Uwe Drofenik, Johann Miniböck, Kazuaki Mino, Johann W. Kolar
Comparative evaluation of three-phase high-power-factor AC-DC converter concepts for application in future More Electric Aircraft. IEEE Trans. Ind. Electron. 52 (3) (2005)
Martina Baumann, Johann W. Kolar
A novel control concept for reliable operation of a three-phase three-switch buck-type unity-power-factor rectifier with integrated boost output stage under heavily unbalanced mains condition. IEEE Trans. Ind. Electron. 52 (2) (2005)
Hans Ertl, Johann W. Kolar, Franz C. Zach
A novel multicell DC-AC converter for applications in renewable energy systems. IEEE Trans. Ind. Electron. 49 (5) (2002)
Hans Ertl, Johann W. Kolar, Franz C. Zach
Analysis of a multilevel multicell switch-mode power amplifier employing the "flying-battery" concept. IEEE Trans. Ind. Electron. 49 (4) (2002)
Johann W. Kolar, Uwe Drofenik, Franz C. Zach
VIENNA rectifier II-a novel single-stage high-frequency isolated three-phase PWM rectifier system. IEEE Trans. Ind. Electron. 46 (4) (1999)
Johann W. Kolar, Franz C. Zach
A novel three-phase utility interface minimizing line current harmonics of high-power telecommunications rectifier modules. IEEE Trans. Ind. Electron. 44 (4) (1997)
Johann W. Kolar, Franz C. Zach
A Novel Three-phase Three-Switch Three-Level Unity Power factor Boost-Type PWM Rectifier. J. Circuits Syst. Comput. 5 (3) (1995)