Publications prior to August 2024, PES Power Electronic Systems Lab
M. Baumann,
U. Drofenik,
J. W. Kolar
New Wide Input Voltage Range Three-Phase Unity Power Factor Rectifier Formed by Integration of a Three-Switch Buck-Derived Front-End and a DC/DC Boost Converter Output Stage
Proceedings of the 22nd IEEE International Telecommunications Energy Conference, Phoenix, USA, September 10-14, 2000
M. Baumann,
U. Drofenik,
J. W. Kolar, New Wide Input Voltage Range Three-Phase Unity Power Factor Rectifier Formed by Integration of a Three-Switch Buck-Derived Front-End and a DC/DC Boost Converter Output Stage, Proceedings of the 22nd IEEE International Telecommunications Energy Conference, Phoenix, USA, September 10-14, 2000.
J. W. Kolar,
F. Stögerer,
J. Miniböck,
H. Ertl
A New Concept for Reconstruction of the Input Phase Currents of a Three-Phase/Switch/Level PWM (VIENNA) Rectifier Based on Neutral Point Current Measurement
Proceedings of the IEEE Power Electronics Specialists Conference, Galway, Ireland, June 18-23, 2000
J. W. Kolar,
F. Stögerer,
J. Miniböck,
H. Ertl, A New Concept for Reconstruction of the Input Phase Currents of a Three-Phase/Switch/Level PWM (VIENNA) Rectifier Based on Neutral Point Current Measurement, Proceedings of the IEEE Power Electronics Specialists Conference, Galway, Ireland, June 18-23, 2000.
F. Stögerer,
J. W. Kolar,
U. Drofenik
A Novel Concept for Transformer Volt Seconds Balancing of a VIENNA Rectifier III Based on Direct Magnetizing Current Measurement
Proceedings of the IEEE Nordic Workshop on Power and Industrial Electronics (NORPIE 2000), Aalborg, Denmark, June 13-16, 2000
F. Stögerer,
J. W. Kolar,
U. Drofenik, A Novel Concept for Transformer Volt Seconds Balancing of a VIENNA Rectifier III Based on Direct Magnetizing Current Measurement, Proceedings of the IEEE Nordic Workshop on Power and Industrial Electronics (NORPIE 2000), Aalborg, Denmark, June 13-16, 2000.
Y. Nishida,
T. Kondou,
J. W. Kolar,
U. Drofenik
A New Single-Phase PFC Rectifier (TOKUSADA Rectifier) with Wide Output Voltage Control Range and High Efficiency
Proceedings of the 41st Power Conversion / Intellegent Motion / Power Quality Conference (PCIM 2000), Nuremberg, Germany, June 6-8, 2000
Y. Nishida,
T. Kondou,
J. W. Kolar,
U. Drofenik, A New Single-Phase PFC Rectifier (TOKUSADA Rectifier) with Wide Output Voltage Control Range and High Efficiency, Proceedings of the 41st Power Conversion / Intellegent Motion / Power Quality Conference (PCIM 2000), Nuremberg, Germany, June 6-8, 2000.
J. Miniböck,
J. W. Kolar,
H. Ertl
Design and Experimental Analysis of a 10kW Dual 400V/48V Interleaved Two-Transistor DC/DC Forward Converter System Supplied by a VIENNA Rectifier I
Proceedings of the 41st Power Conversion / Intellegent Motion / Power Quality Conference (PCIM 2000), Nuremberg, Germany, June 6-8, 2000
J. Miniböck,
J. W. Kolar,
H. Ertl, Design and Experimental Analysis of a 10kW Dual 400V/48V Interleaved Two-Transistor DC/DC Forward Converter System Supplied by a VIENNA Rectifier I, Proceedings of the 41st Power Conversion / Intellegent Motion / Power Quality Conference (PCIM 2000), Nuremberg, Germany, June 6-8, 2000.
J. W. Kolar,
U. Drofenik,
J. Miniböck,
H. Ertl
A New Concept for Minimizing High-Frequency Common-Mode EMI of Three-phase PWM Rectifier Systems Keeping High Utilization of the Output Voltage
Proceedings of the 15th Applied Power Electronics Conference and Exposition (APEC 2000), New Orleans, USA, February 6-10, 2000
J. W. Kolar,
U. Drofenik,
J. Miniböck,
H. Ertl, A New Concept for Minimizing High-Frequency Common-Mode EMI of Three-phase PWM Rectifier Systems Keeping High Utilization of the Output Voltage, Proceedings of the 15th Applied Power Electronics Conference and Exposition (APEC 2000), New Orleans, USA, February 6-10, 2000.
J. W. Kolar,
R. Wieser,
H. Ertl
Analysis of a Wide Speed Range Starter/Alternator System Based on a Novel Converter Topology for Series/Parallel Stator Winding Configuration
Proceedings of the 34th IEEE Industry Applications Society Annual Meeting (IAS 1999), Phoenix, USA, pp. 2631-2641, October 3-7, 1999
J. W. Kolar,
R. Wieser,
H. Ertl, Analysis of a Wide Speed Range Starter/Alternator System Based on a Novel Converter Topology for Series/Parallel Stator Winding Configuration, Proceedings of the 34th IEEE Industry Applications Society Annual Meeting (IAS 1999), Phoenix, USA, pp. 2631-2641, October 3-7, 1999.
J. W. Kolar,
T. Wolbank,
M. Schrödl
Analytical Calculation of the RMS Current Stress on the DC Link Capacitor of Voltage DC Link PWM Converter Systems
Proceedings of the 9th International Electrical Machines and Drives Conference (IEMD 1999), Canterbury, UK, pp. 81-89, September 1-3, 1999
J. W. Kolar,
T. Wolbank,
M. Schrödl, Analytical Calculation of the RMS Current Stress on the DC Link Capacitor of Voltage DC Link PWM Converter Systems, Proceedings of the 9th International Electrical Machines and Drives Conference (IEMD 1999), Canterbury, UK, pp. 81-89, September 1-3, 1999.
J. W. Kolar,
H. Ertl,
R. Wieser,
M. Schrödl
A Novel Three-Phase Converter Topology for Supplying Wide Speed Range Induction Machine Drives
Proceedings of the 41st International Conference on Intelligent Motion (PCIM 1999), Nuremberg, Germany, pp. 333-338, June 22-24, 1999
J. W. Kolar,
H. Ertl,
R. Wieser,
M. Schrödl, A Novel Three-Phase Converter Topology for Supplying Wide Speed Range Induction Machine Drives, Proceedings of the 41st International Conference on Intelligent Motion (PCIM 1999), Nuremberg, Germany, pp. 333-338, June 22-24, 1999.
H. Ertl,
J. W. Kolar,
F. C. Zach
A Constant Output Current Three-Phase Diode Bridge Employing a Novel "Electronic Smoothing Inductor"
Proceedings of the International Conference on Power Conversion (PCIM 1999), Nuremberg, Germany, June 22-24, 1999
H. Ertl,
J. W. Kolar,
F. C. Zach, A Constant Output Current Three-Phase Diode Bridge Employing a Novel "Electronic Smoothing Inductor", Proceedings of the International Conference on Power Conversion (PCIM 1999), Nuremberg, Germany, June 22-24, 1999.
U. Drofenik,
J. W. Kolar
Comparison of Not Synchronized Sawtooth Carrier and Synchronized Triangular Carrier Phase Current Control for the VIENNA Rectifier I
Proceedings of the IEEE International Symposium on Industrial Electronics, Bled, Slovenia, pp. 13-19, June 12-16, 1999
U. Drofenik,
J. W. Kolar, Comparison of Not Synchronized Sawtooth Carrier and Synchronized Triangular Carrier Phase Current Control for the VIENNA Rectifier I, Proceedings of the IEEE International Symposium on Industrial Electronics, Bled, Slovenia, pp. 13-19, June 12-16, 1999.
J. W. Kolar,
H. Ertl
Status of the Techniques of Three-phase Rectifier Systems with Low Effects on the Mains
Proceedings of the 21st IEEE International Telecommunications Energy Conference (INTELEC 1999), Copenhagen, Denmark, June 6-9, 1999
J. W. Kolar,
H. Ertl, Status of the Techniques of Three-phase Rectifier Systems with Low Effects on the Mains, Proceedings of the 21st IEEE International Telecommunications Energy Conference (INTELEC 1999), Copenhagen, Denmark, June 6-9, 1999.
J. W. Kolar,
U. Drofenik
A New Switching Loss Reduced Discontinuous PWM Scheme for a Unidirectional Three-Phase/Switch/Level Boost-Type PWM (VIENNA) Rectifier
Proceedings of the 21st International Telecommunications Energy Conference (INTELEC 1999), Copenhagen, Denmark, June 6-9, 1999
J. W. Kolar,
U. Drofenik, A New Switching Loss Reduced Discontinuous PWM Scheme for a Unidirectional Three-Phase/Switch/Level Boost-Type PWM (VIENNA) Rectifier, Proceedings of the 21st International Telecommunications Energy Conference (INTELEC 1999), Copenhagen, Denmark, June 6-9, 1999.
J. W. Kolar,
H. Ertl,
F. Zach
Design and Experimental Evaluation of the Loss-Free Braking Resistor Concept for Application in Integrated Converter Machine Systems
Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (IECON 1998), Aachen, Germany, August 31-September 4, 1998
J. W. Kolar,
H. Ertl,
F. Zach, Design and Experimental Evaluation of the Loss-Free Braking Resistor Concept for Application in Integrated Converter Machine Systems, Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (IECON 1998), Aachen, Germany, August 31-September 4, 1998.
J. W. Kolar,
U. Drofenik,
H. Ertl,
F. C. Zach
VIENNA Rectifier III - A Novel Three-Phase Single-Stage Buck-Derived Unity Power Factor AC-to-DC Converter System
Proceedings of the IEEE Nordic Workshop on Power and Industrial Electronics (NORPIE 1998), Helsinki, Finland, pp. 9-18, August 26-27, 1998
J. W. Kolar,
U. Drofenik,
H. Ertl,
F. C. Zach, VIENNA Rectifier III - A Novel Three-Phase Single-Stage Buck-Derived Unity Power Factor AC-to-DC Converter System, Proceedings of the IEEE Nordic Workshop on Power and Industrial Electronics (NORPIE 1998), Helsinki, Finland, pp. 9-18, August 26-27, 1998.
J. W. Kolar,
U. Drofenik
Analyse der Steuerung eines neuen hochfrequent getakteten Dreiphasen-Pulsgleichrichtersystems mit unterdrücktem Stromzwischenkreis
Workshop Simulation komplexer Systeme aus der Mikrosystemtechnik, Leistungselektronik u. Antriebstechnik, Chemnitz, Germany, June 25-26, 1998
J. W. Kolar,
U. Drofenik, Analyse der Steuerung eines neuen hochfrequent getakteten Dreiphasen-Pulsgleichrichtersystems mit unterdrücktem Stromzwischenkreis, Workshop Simulation komplexer Systeme aus der Mikrosystemtechnik, Leistungselektronik u. Antriebstechnik, Chemnitz, Germany, June 25-26, 1998.
H. Ertl,
J. W. Kolar,
F. Zach
Analysis of an Extended DC-DC Flyback Converter with Inherent Input Voltage Symmetrization
Proceedings of the International Power Conversion Conference (PCIM 1998), Nuremberg, Germany, May 26-28, 1998
H. Ertl,
J. W. Kolar,
F. Zach, Analysis of an Extended DC-DC Flyback Converter with Inherent Input Voltage Symmetrization, Proceedings of the International Power Conversion Conference (PCIM 1998), Nuremberg, Germany, May 26-28, 1998.
J. W. Kolar,
U. Drofenik,
F. Zach
VIENNA Rectifier II - A Novel Single-Stage High-Frequency Isolated Three-Phase PWM Rectifier System
Proceedings of the 13th Applied Power Electronics Conference (APEC 1998), Anaheim, USA, pp. 23-33, February 15-19, 1998
J. W. Kolar,
U. Drofenik,
F. Zach, VIENNA Rectifier II - A Novel Single-Stage High-Frequency Isolated Three-Phase PWM Rectifier System, Proceedings of the 13th Applied Power Electronics Conference (APEC 1998), Anaheim, USA, pp. 23-33, February 15-19, 1998.
J. W. Kolar,
H. Ertl,
F. Zach
Analysis of the Application of an 'Inverse Diode Bridge' for Braking Energy Recovery of Three-Phase PWM AC Drives
Proceedings of the International Conference on Power Electronics, Drives, Motion Control & Power Quality, Hong Kong, October 14-17, 1997
J. W. Kolar,
H. Ertl,
F. Zach, Analysis of the Application of an 'Inverse Diode Bridge' for Braking Energy Recovery of Three-Phase PWM AC Drives, Proceedings of the International Conference on Power Electronics, Drives, Motion Control & Power Quality, Hong Kong, October 14-17, 1997.
J. W. Kolar,
H. Ertl,
J. Hall
VIENNA Rectifier - Netzrückwirkungsarmes Dreipunkt-Pulsgleichrichtersystem zur Speisung einer Level 3 SAE J-1773 Batterie-Schnelladestation für Elektrofahrzeuge
Informationstagung Mikroelektronik, Vienna, Austria, October 15-16, 1997
J. W. Kolar,
H. Ertl,
J. Hall, VIENNA Rectifier - Netzrückwirkungsarmes Dreipunkt-Pulsgleichrichtersystem zur Speisung einer Level 3 SAE J-1773 Batterie-Schnelladestation für Elektrofahrzeuge, Informationstagung Mikroelektronik, Vienna, Austria, October 15-16, 1997.
H. Sree,
N. Mohan,
J. W. Kolar
SIMPLORER as a Power Electronics Circuit Simulator
Proceedings of the 7th European Conference on Power Electronics and Applications (EPE '97), Trondheim, Norway, pp. 4.1002-4.1007, September 8-10, 1997
H. Sree,
N. Mohan,
J. W. Kolar, SIMPLORER as a Power Electronics Circuit Simulator, Proceedings of the 7th European Conference on Power Electronics and Applications (EPE '97), Trondheim, Norway, pp. 4.1002-4.1007, September 8-10, 1997.
H. Sree,
N. Mohan,
J. W. Kolar
Universal Input Unity Power Factor Rectifier Using a Novel SEPIC-Derived Topology
Proceedings of the 7th European Conference on Power Electronics and Applications (EPE '97), Trondheim, Norway, pp. 2.208-2.213, September 8-10, 1997
H. Sree,
N. Mohan,
J. W. Kolar, Universal Input Unity Power Factor Rectifier Using a Novel SEPIC-Derived Topology, Proceedings of the 7th European Conference on Power Electronics and Applications (EPE '97), Trondheim, Norway, pp. 2.208-2.213, September 8-10, 1997.
J. W. Kolar,
H. Sree,
N. Mohan,
F. Zach
Novel Aspects of an Application of Zero-Ripple Techniques to Basic Converter Topologies
Proceedings of the Power Electronics Specialists Conference (PESC 1997), St. Louis, USA, pp. 796-803, June 22-27, 1997
J. W. Kolar,
H. Sree,
N. Mohan,
F. Zach, Novel Aspects of an Application of Zero-Ripple Techniques to Basic Converter Topologies, Proceedings of the Power Electronics Specialists Conference (PESC 1997), St. Louis, USA, pp. 796-803, June 22-27, 1997.
U. Drofenik,
J. W. Kolar
Einsatz des Simulationssystems SIMPLORER zur Analyse der Anwendbarkeit integrierter Einphasen-Steuerbausteine zur Realisierung der Regelung dreiphasiger Pulsgleichrichtersysteme am Beispiel des VIENNA Rectifier
SIMPLORER Workshop, Chemnitz, Germany, pp. 59-70, June 19-20, 1997
U. Drofenik,
J. W. Kolar, Einsatz des Simulationssystems SIMPLORER zur Analyse der Anwendbarkeit integrierter Einphasen-Steuerbausteine zur Realisierung der Regelung dreiphasiger Pulsgleichrichtersysteme am Beispiel des VIENNA Rectifier, SIMPLORER Workshop, Chemnitz, Germany, pp. 59-70, June 19-20, 1997.
J. W. Kolar,
F. Zach
Novel Zero-Ripple Cuk and SEPIC Converter Topologies Requiring No Coupling of Input and Output Inductors
Proceedings of the International Conference on Power Electronics, Drives, Motion Control & Power Quality, Nuremberg, Germany, pp. 91-103, June 10-12, 1997
J. W. Kolar,
F. Zach, Novel Zero-Ripple Cuk and SEPIC Converter Topologies Requiring No Coupling of Input and Output Inductors, Proceedings of the International Conference on Power Electronics, Drives, Motion Control & Power Quality, Nuremberg, Germany, pp. 91-103, June 10-12, 1997.
J. W. Kolar,
H. Sree,
U. Drofenik,
N. Mohan,
F. Zach
A Novel SEPIC-Type Extension of the VIENNA Rectifier Concept
Proceedings of the International Conference on Power Electronics, Drives, Motion Control & Power Quality, Nuremberg, Germany, pp. 35-51, June 10-12, 1997
J. W. Kolar,
H. Sree,
U. Drofenik,
N. Mohan,
F. Zach, A Novel SEPIC-Type Extension of the VIENNA Rectifier Concept, Proceedings of the International Conference on Power Electronics, Drives, Motion Control & Power Quality, Nuremberg, Germany, pp. 35-51, June 10-12, 1997.
H. Ertl,
J. W. Kolar,
F. C. Zach
A Novel Switch-Mode Power Amplifier with High Output Voltage Quality Employing a Hybrid Output Voltage Filter
Proceedings of the 34th International Conference on Power Conversion (PCIM 1997), Nuremberg, Germany, June 10-12, 1997
H. Ertl,
J. W. Kolar,
F. C. Zach, A Novel Switch-Mode Power Amplifier with High Output Voltage Quality Employing a Hybrid Output Voltage Filter, Proceedings of the 34th International Conference on Power Conversion (PCIM 1997), Nuremberg, Germany, June 10-12, 1997.
U. Drofenik,
R. Windauer,
J. W. Kolar,
E. Masada,
F. Zach
Analysis and Comparison of Different Input Current Control Schemes for a Three-Phase/Switch/Level Boost-Type PWM (VIENNA) Rectifier
Proceedings of the 1st International Congress on Energy, Power & Motion Control, Tel Aviv, Israel, pp. 35-41, May 5-6, 1997
U. Drofenik,
R. Windauer,
J. W. Kolar,
E. Masada,
F. Zach, Analysis and Comparison of Different Input Current Control Schemes for a Three-Phase/Switch/Level Boost-Type PWM (VIENNA) Rectifier, Proceedings of the 1st International Congress on Energy, Power & Motion Control, Tel Aviv, Israel, pp. 35-41, May 5-6, 1997.
J. W. Kolar,
H. Ertl,
F. Zach,
V. Blasko,
V. Kaura,
R. Lukaszewski
A Novel Concept for Regenerative Braking of PWM-VSI Drives Employing a Loss-Free Braking Resistor
Proceedings of the 12th Applied Power Electronics Conference (APEC 1997), Atlanta, USA, pp. 297-305, February 23-27, 1997
J. W. Kolar,
H. Ertl,
F. Zach,
V. Blasko,
V. Kaura,
R. Lukaszewski, A Novel Concept for Regenerative Braking of PWM-VSI Drives Employing a Loss-Free Braking Resistor, Proceedings of the 12th Applied Power Electronics Conference (APEC 1997), Atlanta, USA, pp. 297-305, February 23-27, 1997.
J. W. Kolar,
H. Sree,
U. Drofenik,
N. Mohan,
F. Zach
A Novel Three-Phase Three-Switch Three-Level High Power Factor SEPIC-Type AC-to-DC Converter
Proceedings of the 12th Applied Power Electronics Conference (APEC 1997), Atlanta, USA, pp. 657-665, February 23-27, 1997
J. W. Kolar,
H. Sree,
U. Drofenik,
N. Mohan,
F. Zach, A Novel Three-Phase Three-Switch Three-Level High Power Factor SEPIC-Type AC-to-DC Converter, Proceedings of the 12th Applied Power Electronics Conference (APEC 1997), Atlanta, USA, pp. 657-665, February 23-27, 1997.
J. W. Kolar,
U. Drofenik,
F. C. Zach
On the Interdependence of AC-Side and DC-Side Optimum Control of Three-Phase Neutral-Point-Clamped (Three-Level) PWM Rectifier Systems
Invited Paper at the 7th International Power Electronics and Motion Control Conference (PEMC 1996), Budapest, Hungary, September 2-4, 1996
J. W. Kolar,
U. Drofenik,
F. C. Zach, On the Interdependence of AC-Side and DC-Side Optimum Control of Three-Phase Neutral-Point-Clamped (Three-Level) PWM Rectifier Systems, Invited Paper at the 7th International Power Electronics and Motion Control Conference (PEMC 1996), Budapest, Hungary, September 2-4, 1996.
J. W. Kolar,
U. Drofenik,
F. Zach
Current Handling Capability of the Neutral Point of a Three-Phase/Switch/Level Boost-Type PWM (VIENNA) Rectifier
Proceedings of the 28th Power Electronics Specialists Conference (PESC 1996), Baveno, Italy, pp. 1329-1336, June 24-27, 1996
J. W. Kolar,
U. Drofenik,
F. Zach
, Current Handling Capability of the Neutral Point of a Three-Phase/Switch/Level Boost-Type PWM (VIENNA) Rectifier, Proceedings of the 28th Power Electronics Specialists Conference (PESC 1996), Baveno, Italy, pp. 1329-1336, June 24-27, 1996.
H. Ertl,
J. W. Kolar,
F. C. Zach
A New 1kW Class-D Supported Linear Power Amplifier Employing a Self-Adjusting Ripple Cancellation Scheme
Proceedings of the 29th International Conference on Power Conversion (PCIM 1996), Nuremberg, Germany, May 21-23, 1996
H. Ertl,
J. W. Kolar,
F. C. Zach, A New 1kW Class-D Supported Linear Power Amplifier Employing a Self-Adjusting Ripple Cancellation Scheme, Proceedings of the 29th International Conference on Power Conversion (PCIM 1996), Nuremberg, Germany, May 21-23, 1996.
H. Ertl,
J. W. Kolar,
F. Zach
Basic Considerations and Topologies of Switched-Mode- Assisted Linear Power Amplifiers
Proceedings of the 11th Applied Power Electronics Conference (APEC 1996), San Jose, USA, pp. 207-213, March 3-7, 1996
H. Ertl,
J. W. Kolar,
F. Zach, Basic Considerations and Topologies of Switched-Mode- Assisted Linear Power Amplifiers, Proceedings of the 11th Applied Power Electronics Conference (APEC 1996), San Jose, USA, pp. 207-213, March 3-7, 1996.
J. W. Kolar,
H. Ertl,
F. Zach
Design and Experimental Investigation of a Three-Phase High Power Density High Efficiency Unity Power Factor PWM (VIENNA) Rectifier Employing a Novel Power Semiconductor Module
Proceedings of the 11th Applied Power Electronics Conference (APEC 1996), San Jose, USA, pp. 514-523, March 3-7, 1996
J. W. Kolar,
H. Ertl,
F. Zach, Design and Experimental Investigation of a Three-Phase High Power Density High Efficiency Unity Power Factor PWM (VIENNA) Rectifier Employing a Novel Power Semiconductor Module, Proceedings of the 11th Applied Power Electronics Conference (APEC 1996), San Jose, USA, pp. 514-523, March 3-7, 1996.
L. Chaar,
G. Kamath,
N. Mohan,
C. Henze,
J. W. Kolar
Sinusoidal Current Rectification and Ripple Cancellation for Wide Three-Phase AC Input and Regulated DC Output Power Supply
Proceedings of the International Conference on Power Electronics Drives and Energy Systems for Industrial Growth (PEDES 1996), New Delhi, India, pp. 644-647, January 8-11, 1996
L. Chaar,
G. Kamath,
N. Mohan,
C. Henze,
J. W. Kolar, Sinusoidal Current Rectification and Ripple Cancellation for Wide Three-Phase AC Input and Regulated DC Output Power Supply, Proceedings of the International Conference on Power Electronics Drives and Energy Systems for Industrial Growth (PEDES 1996), New Delhi, India, pp. 644-647, January 8-11, 1996.
J. W. Kolar,
H. Ertl,
F. Zach
IXYS-VUM25-E - A New Isolated Power Module for Low-Cost/Weight/Volume High Performance Three-Phase Sinusoidal Input Current Power Conditioning
Proceedings of the 3rd European Power Quality Conference, Bremen, Germany, pp. 461-481, November 7-9, 1995
J. W. Kolar,
H. Ertl,
F. Zach, IXYS-VUM25-E - A New Isolated Power Module for Low-Cost/Weight/Volume High Performance Three-Phase Sinusoidal Input Current Power Conditioning, Proceedings of the 3rd European Power Quality Conference, Bremen, Germany, pp. 461-481, November 7-9, 1995.
J. W. Kolar,
H. Ertl
Stand der Technik netzrückwirkungsarmer dreiphasiger Gleichrichterschaltungen
Tagungsband der VDE-ETG-Tage, Workshop C: Netzrückwirkungen, Essen, Germany, pp. 261-273, October 10-11, 1995
J. W. Kolar,
H. Ertl
, Stand der Technik netzrückwirkungsarmer dreiphasiger Gleichrichterschaltungen, Tagungsband der VDE-ETG-Tage, Workshop C: Netzrückwirkungen, Essen, Germany, pp. 261-273, October 10-11, 1995.
J. W. Kolar,
U. Drofenik,
F. Zach
DC Link Voltage Balancing of a Three-Phase/Switch/Level PWM (VIENNA) Rectifier by Modified Hysteresis Input Current Control
Proceedings of the International Power Conversion Conference (PCIM 1995), Nuremberg, Germany, pp. 443-465, June 20-22, 1995
J. W. Kolar,
U. Drofenik,
F. Zach, DC Link Voltage Balancing of a Three-Phase/Switch/Level PWM (VIENNA) Rectifier by Modified Hysteresis Input Current Control, Proceedings of the International Power Conversion Conference (PCIM 1995), Nuremberg, Germany, pp. 443-465, June 20-22, 1995.
J. W. Kolar,
G. Kamath,
N. Mohan,
F. Zach
Self-Adjusting Input Current Ripple Cancellation of Coupled Parallel Connected Hysteresis-Controlled Boost Power Factor Correctors
Proceedings of the 26th IEEE Power Electronics Specialists Conference (PESC '95), Atlanta, USA, Vol. I, pp. 164-173, June 18-22, 1995
J. W. Kolar,
G. Kamath,
N. Mohan,
F. Zach, Self-Adjusting Input Current Ripple Cancellation of Coupled Parallel Connected Hysteresis-Controlled Boost Power Factor Correctors, Proceedings of the 26th IEEE Power Electronics Specialists Conference (PESC '95), Atlanta, USA, Vol. I, pp. 164-173, June 18-22, 1995.
J. W. Kolar,
U. Drofenik,
F. Zach
Space Vector Based Analysis of the Variation and Control of the Neutral Point Potential of Hysteresis Current Controlled Three-Phase/Switch/Level PWM Rectifier Systems
Proceedings of the International Conference on Power Electronics and Drive Systems (PEDS 1995), Singapore, pp. 22-33, February 21-24, 1995
J. W. Kolar,
U. Drofenik,
F. Zach, Space Vector Based Analysis of the Variation and Control of the Neutral Point Potential of Hysteresis Current Controlled Three-Phase/Switch/Level PWM Rectifier Systems, Proceedings of the International Conference on Power Electronics and Drive Systems (PEDS 1995), Singapore, pp. 22-33, February 21-24, 1995.
J. W. Kolar,
F. Zach
A Novel Three-Phase Utility Interface Minimizing Line Current Harmonics of High-Power Telecommunications Rectifier Modules
Proceedings of the 16th International Telecommunications Energy Conference (INTELEC 1994), Vancouver, Canada, pp. 367-374, October 30-November 3, 1994
J. W. Kolar,
F. Zach, A Novel Three-Phase Utility Interface Minimizing Line Current Harmonics of High-Power Telecommunications Rectifier Modules, Proceedings of the 16th International Telecommunications Energy Conference (INTELEC 1994), Vancouver, Canada, pp. 367-374, October 30-November 3, 1994.
J. W. Kolar,
F. Zach
Analysis of a New Three-Phase Forced Commutated High Power Factor Boost-Type AC/DC Converter
Proceedings of the 7th International Power Electronics and Motion Control Conference, Warsaw, Poland, pp. 735-741, September 20-22, 1994
J. W. Kolar,
F. Zach, Analysis of a New Three-Phase Forced Commutated High Power Factor Boost-Type AC/DC Converter, Proceedings of the 7th International Power Electronics and Motion Control Conference, Warsaw, Poland, pp. 735-741, September 20-22, 1994.
J. W. Kolar,
F. Zach
A Novel Three-Phase Three-Switch Three-Level Unity Power Factor PWM Rectifier
Proceedings of the 28th International Power Conversion Conference (PCIM 1994), Nuremberg, Germany, pp. 125-138, June 28-30, 1994
J. W. Kolar,
F. Zach, A Novel Three-Phase Three-Switch Three-Level Unity Power Factor PWM Rectifier, Proceedings of the 28th International Power Conversion Conference (PCIM 1994), Nuremberg, Germany, pp. 125-138, June 28-30, 1994.
J. W. Kolar,
H. Ertl,
F. Zach
A Comprehensive Design Approach for a Three-Phase High-Frequency Single-Switch Discontinuous-Mode Boost Power Factor Corrector Based on Analytically Derived Normalized Converter Component Ratings
Proceedings of the 28th Industry Applications Society Annual Meeting (IAS 1993), Toronto, Canada, pp. 931-938, October 3-8, 1993
J. W. Kolar,
H. Ertl,
F. Zach, A Comprehensive Design Approach for a Three-Phase High-Frequency Single-Switch Discontinuous-Mode Boost Power Factor Corrector Based on Analytically Derived Normalized Converter Component Ratings, Proceedings of the 28th Industry Applications Society Annual Meeting (IAS 1993), Toronto, Canada, pp. 931-938, October 3-8, 1993.
J. W. Kolar,
H. Ertl,
F. Zach
A Novel Single-Switch Three-Phase AC-DC Buck-Boost Converter with High-Quality Input Current Waveforms and Isolated DC Output
Proceedings of the 15th International Telecommunications Energy Conference (INTELEC 1993), Paris, France, pp. 407-414, September 27-30, 1993
J. W. Kolar,
H. Ertl,
F. Zach, A Novel Single-Switch Three-Phase AC-DC Buck-Boost Converter with High-Quality Input Current Waveforms and Isolated DC Output, Proceedings of the 15th International Telecommunications Energy Conference (INTELEC 1993), Paris, France, pp. 407-414, September 27-30, 1993.
J. W. Kolar,
H. Ertl,
F. Zach
Analysis and Design of a New Three-Phase Power Conditioner Providing Sinusoidal Input Currents and Multiple Isolated DC Outputs
Proceedings of the 26th International Power Conversion Conference (PCIM 1993), Nuremberg, Germany, pp. 151-165, June 21-24, 1993
J. W. Kolar,
H. Ertl,
F. Zach, Analysis and Design of a New Three-Phase Power Conditioner Providing Sinusoidal Input Currents and Multiple Isolated DC Outputs, Proceedings of the 26th International Power Conversion Conference (PCIM 1993), Nuremberg, Germany, pp. 151-165, June 21-24, 1993.
J. W. Kolar,
H. Ertl,
F. Zach
Space Vector - Based Analytical Analysis of the Input Current Distortion of a Three-Phase Discontinuous-Mode Boost Rectifier System
Proceedings of the 24th Annual Power Electronics Specialists Conference (PESC 1993), Seattle, USA, pp. 696-703, June 20-24, 1993
J. W. Kolar,
H. Ertl,
F. Zach, Space Vector - Based Analytical Analysis of the Input Current Distortion of a Three-Phase Discontinuous-Mode Boost Rectifier System, Proceedings of the 24th Annual Power Electronics Specialists Conference (PESC 1993), Seattle, USA, pp. 696-703, June 20-24, 1993.
J. W. Kolar,
H. Ertl,
F. Zach
Power Quality Improvement of Three-Phase AC-DC Power Conversion by Discontinuous-Mode 'Dither'-Rectifiers
Proceedings of the 6th International (2nd European) Power Quality Conference, Munich, Germany, pp. 62-78, October 14-15, 1992
J. W. Kolar,
H. Ertl,
F. Zach, Power Quality Improvement of Three-Phase AC-DC Power Conversion by Discontinuous-Mode 'Dither'-Rectifiers, Proceedings of the 6th International (2nd European) Power Quality Conference, Munich, Germany, pp. 62-78, October 14-15, 1992.
J. W. Kolar,
H. Ertl,
F. Zach
A Low-Cost Active Three-Phase Rectifier System
Proceedings of the 24th International Power Conversion Conference, Nuremberg, Germany, pp. 241-250, April 28-30, 1992
J. W. Kolar,
H. Ertl,
F. Zach, A Low-Cost Active Three-Phase Rectifier System, Proceedings of the 24th International Power Conversion Conference, Nuremberg, Germany, pp. 241-250, April 28-30, 1992.
F. Himmelstoss,
J. W. Kolar,
F. Zach
Analysis of a Smith-Predictor-Based Control Concept Eliminating the Right-Half-Plane Zero of Continuous-Mode Boost and Buck-Boost DC/DC Converters
Proceedings of the Industrial Electronics Society Annual Conference (IECON 1991), Kobe, Japan, pp. 423-428, October 28-November 1, 1991
F. Himmelstoss,
J. W. Kolar,
F. Zach, Analysis of a Smith-Predictor-Based Control Concept Eliminating the Right-Half-Plane Zero of Continuous-Mode Boost and Buck-Boost DC/DC Converters, Proceedings of the Industrial Electronics Society Annual Conference (IECON 1991), Kobe, Japan, pp. 423-428, October 28-November 1, 1991.
J. W. Kolar,
H. Ertl,
L. Erhartt,
F. Zach
Analysis of Turn-off Behavior and Switching Losses of a 1200V/50A Zero-Voltage or Zero-Current Switched IGBT
Proceedings of the 26th Industry Applications Society Annual Meeting (IAS 1991), Dearborn, USA, pp. 1508-1514, September 28-October 4, 1991
J. W. Kolar,
H. Ertl,
L. Erhartt,
F. Zach, Analysis of Turn-off Behavior and Switching Losses of a 1200V/50A Zero-Voltage or Zero-Current Switched IGBT, Proceedings of the 26th Industry Applications Society Annual Meeting (IAS 1991), Dearborn, USA, pp. 1508-1514, September 28-October 4, 1991.
J. W. Kolar,
H. Ertl,
F. Zach
Analysis of Definition, Measurement and Power Electronics Based Compensation of Instantaneous Reactive Power
Invited paper in Record of the IEEE International Workshop on Power Definition and Measurements under Non-Sinusoidal Conditions, Como, Italy, pp. 141-161, September 10-12, 1991
J. W. Kolar,
H. Ertl,
F. Zach, Analysis of Definition, Measurement and Power Electronics Based Compensation of Instantaneous Reactive Power, Invited paper in Record of the IEEE International Workshop on Power Definition and Measurements under Non-Sinusoidal Conditions, Como, Italy, pp. 141-161, September 10-12, 1991.
J. W. Kolar,
H. Ertl,
K. Edelmoser,
F. Zach
Analysis of the Control Behavior of a Bidirectional Three-Phase PWM Rectifier System
Record of the 4th European Conference on Power Electronics and Applications, Florence, Italy, pp. 95-100, September 3-6, 1991
J. W. Kolar,
H. Ertl,
K. Edelmoser,
F. Zach, Analysis of the Control Behavior of a Bidirectional Three-Phase PWM Rectifier System, Record of the 4th European Conference on Power Electronics and Applications, Florence, Italy, pp. 95-100, September 3-6, 1991.
L. Erhartt,
J. W. Kolar,
G. Tuymer,
F. Zach
Comparative Study of the Switching Losses of an Isolated Gate Bipolar Transistor in PWM and Quasi-Resonant Converter Applications
Proceedings of the 22nd International Conference on Power Conversion, Nuremberg, Germany, pp. 195-207, June 25-27, 1991
L. Erhartt,
J. W. Kolar,
G. Tuymer,
F. Zach, Comparative Study of the Switching Losses of an Isolated Gate Bipolar Transistor in PWM and Quasi-Resonant Converter Applications, Proceedings of the 22nd International Conference on Power Conversion, Nuremberg, Germany, pp. 195-207, June 25-27, 1991.
J. W. Kolar,
H. Ertl,
F. Zach
Minimizing the Current Harmonics RMS Value of Three-Phase PWM Converter Systems by Optimal and Suboptimal Transition between Continuous and Discontinuous Modulation
Proceedings of the 22nd Annual Power Electronics Specialists Conference (PESC 1991), Cambridge, USA, pp. 372-381, June 24-27, 1991
J. W. Kolar,
H. Ertl,
F. Zach, Minimizing the Current Harmonics RMS Value of Three-Phase PWM Converter Systems by Optimal and Suboptimal Transition between Continuous and Discontinuous Modulation, Proceedings of the 22nd Annual Power Electronics Specialists Conference (PESC 1991), Cambridge, USA, pp. 372-381, June 24-27, 1991.
F. Himmelstoss,
J. W. Kolar,
F. Zach
A Bidirectional DC-DC Converter -- Analysis and Control Design
Special Isssue of the Institution of Electronics and Telecommunication Engineers , Vol. 37, No. 1, pp. 124-132, 1991
F. Himmelstoss,
J. W. Kolar,
F. Zach, A Bidirectional DC-DC Converter -- Analysis and Control Design, Special Isssue of the Institution of Electronics and Telecommunication Engineers , Vol. 37, No. 1, pp. 124-132, 1991.
J. W. Kolar,
H. Ertl,
F. Zach
Influence of the Modulation Method on the Conduction and Switching Losses of a PWM Converter System
Proceedings of the 25th Industry Applications Society Annual Meeting (IAS 1990), Seattle, USA, pp. 502-512, October 7-12, 1990
J. W. Kolar,
H. Ertl,
F. Zach, Influence of the Modulation Method on the Conduction and Switching Losses of a PWM Converter System, Proceedings of the 25th Industry Applications Society Annual Meeting (IAS 1990), Seattle, USA, pp. 502-512, October 7-12, 1990.
J. W. Kolar,
H. Ertl,
F. Zach
Approximate Determination of the Current RMS Value of the DC Link Capacitor of Single-Phase and Three-Phase PWM Converter Systems
Proceedings of the 4th International Conference on Harmonics in Power Systems, Budapest, Hungary, Vol. 1, pp. 532-551, October 4-6, 1990
J. W. Kolar,
H. Ertl,
F. Zach, Approximate Determination of the Current RMS Value of the DC Link Capacitor of Single-Phase and Three-Phase PWM Converter Systems, Proceedings of the 4th International Conference on Harmonics in Power Systems, Budapest, Hungary, Vol. 1, pp. 532-551, October 4-6, 1990.
J. W. Kolar,
H. Ertl,
F. Zach
Minimization of the Harmonic RMS Content of the Mains Current of a PWM Converter System Based on the Solution of an Extreme Value Problem
Proceedings of the 4th International Conference on Harmonics in Power Systems, Budapest, Hungary, Vol. 1, pp. 234-243, October 4-6, 1990
J. W. Kolar,
H. Ertl,
F. Zach, Minimization of the Harmonic RMS Content of the Mains Current of a PWM Converter System Based on the Solution of an Extreme Value Problem, Proceedings of the 4th International Conference on Harmonics in Power Systems, Budapest, Hungary, Vol. 1, pp. 234-243, October 4-6, 1990.
J. W. Kolar,
H. Ertl,
F. Zach
Realization Considerations for Unidirectional Three-Phase PWM Rectifier Systems with Low Effects on the Mains
Proceedings of the 6th International Conference on Power Electronics and Motion Control, Budapest, Hungary, Vol. 2, pp. 560-565, October 1-3, 1990
J. W. Kolar,
H. Ertl,
F. Zach, Realization Considerations for Unidirectional Three-Phase PWM Rectifier Systems with Low Effects on the Mains, Proceedings of the 6th International Conference on Power Electronics and Motion Control, Budapest, Hungary, Vol. 2, pp. 560-565, October 1-3, 1990.
J. W. Kolar,
R. Fehringer,
F. Himmelstoss,
F. Zach
Analysis and Comparison of a Unidirectional and a Bidirectional Resonant Flyback Converter
Proceedings of the 20th International Conference on Power Conversion, Munich, Germany, pp. 370-381, June 25-29, 1990
J. W. Kolar,
R. Fehringer,
F. Himmelstoss,
F. Zach, Analysis and Comparison of a Unidirectional and a Bidirectional Resonant Flyback Converter, Proceedings of the 20th International Conference on Power Conversion, Munich, Germany, pp. 370-381, June 25-29, 1990.
J. W. Kolar,
H. Ertl,
F. Zach
Analytically Closed Optimization of the Modulation Method of a PWM Rectifier System with High Pulse Rate
Proceedings of the 17th International Conference on Intelligent Motion, Munich, Germany, pp. 370-381, June 25-29, 1990
J. W. Kolar,
H. Ertl,
F. Zach, Analytically Closed Optimization of the Modulation Method of a PWM Rectifier System with High Pulse Rate, Proceedings of the 17th International Conference on Intelligent Motion, Munich, Germany, pp. 370-381, June 25-29, 1990.
J. W. Kolar,
H. Ertl,
F. Zach
Calculation of the Passive and Active Component Stress of Three-Phase PWM Converter Systems with High Pulse Rate
Proceedings of the 3rd European Conference on Power Electronics and Applications, Aachen, Germany, Vol. 3, pp. 1303-1311, October 9-12, 1989
J. W. Kolar,
H. Ertl,
F. Zach, Calculation of the Passive and Active Component Stress of Three-Phase PWM Converter Systems with High Pulse Rate, Proceedings of the 3rd European Conference on Power Electronics and Applications, Aachen, Germany, Vol. 3, pp. 1303-1311, October 9-12, 1989.
F. Himmelstoss,
J. W. Kolar,
F. Zach
Comparison of Control Structures for a Bidirectional High-Frequency DC-DC-Converter
Proceedings of the European Space Power Conference, Madrid, Spain, pp. 403-408, October 2-6, 1989
F. Himmelstoss,
J. W. Kolar,
F. Zach, Comparison of Control Structures for a Bidirectional High-Frequency DC-DC-Converter, Proceedings of the European Space Power Conference, Madrid, Spain, pp. 403-408, October 2-6, 1989.
J. W. Kolar,
H. Ertl,
F. Zach
Analysis of the Duality of Three Phase PWM Converters with DC Voltage Link and DC Current Link
Proceedings of the 24th Industry Applications Society Annual Meeting (IAS 1989), San Diego, USA, pp. 724-737, October 1-5, 1989
J. W. Kolar,
H. Ertl,
F. Zach, Analysis of the Duality of Three Phase PWM Converters with DC Voltage Link and DC Current Link, Proceedings of the 24th Industry Applications Society Annual Meeting (IAS 1989), San Diego, USA, pp. 724-737, October 1-5, 1989.
J. W. Kolar,
H. Ertl,
F. Zach
Measurement and Determination of the Instantaneous Power Flow Values in Three-Phase PWM Converter Systems Based on the Space Vector Calculus
Proceedings of the 3rd Symposium on Measurement in Electrical and Electronic Power Systems IMEKO TC4, Zurich, Switzerland, pp. 117-137, September 20-22, 1989
J. W. Kolar,
H. Ertl,
F. Zach, Measurement and Determination of the Instantaneous Power Flow Values in Three-Phase PWM Converter Systems Based on the Space Vector Calculus, Proceedings of the 3rd Symposium on Measurement in Electrical and Electronic Power Systems IMEKO TC4, Zurich, Switzerland, pp. 117-137, September 20-22, 1989.
H. Ertl,
J. W. Kolar,
F. Zach
Potential-Free Gate Drive Circuits for Fast Switching Power Semiconductor Devices
Proceedings of the 18th International Conference on Power Conversion, Munich, Germany, pp. 14-30, June 6-8, 1989
H. Ertl,
J. W. Kolar,
F. Zach, Potential-Free Gate Drive Circuits for Fast Switching Power Semiconductor Devices, Proceedings of the 18th International Conference on Power Conversion, Munich, Germany, pp. 14-30, June 6-8, 1989.
F. Himmelstoss,
J. W. Kolar,
F. Zach
Analysis of the Cascade Control Behavior of a Bidirectional High-Frequency DC-DC-Converter
Proceedings of the High Frequency Power Conversion Conference, Naples, USA, pp. 372-382, May 15-18, 1989
F. Himmelstoss,
J. W. Kolar,
F. Zach, Analysis of the Cascade Control Behavior of a Bidirectional High-Frequency DC-DC-Converter, Proceedings of the High Frequency Power Conversion Conference, Naples, USA, pp. 372-382, May 15-18, 1989.
F. Himmelstoss,
J. W. Kolar,
F. Zach
Analysis of the Closed-Loop Control Behavior of a Bidirectional High-Frequency DC-DC Converter
Proceedings of the International Conference on Power Conversion, Tokyo, Japan, pp. 174-184, December 8-10, 1988
F. Himmelstoss,
J. W. Kolar,
F. Zach, Analysis of the Closed-Loop Control Behavior of a Bidirectional High-Frequency DC-DC Converter, Proceedings of the International Conference on Power Conversion, Tokyo, Japan, pp. 174-184, December 8-10, 1988.
J. W. Kolar,
F. Himmelstoss,
F. Zach
Analysis of the Control Behavior of a Bidirectional High-Frequency DC-DC Converter
Proceedings of the 15th International Conference on Power Conversion, Munich, Germany, pp. 344-359, May 8-10, 1988
J. W. Kolar,
F. Himmelstoss,
F. Zach, Analysis of the Control Behavior of a Bidirectional High-Frequency DC-DC Converter, Proceedings of the 15th International Conference on Power Conversion, Munich, Germany, pp. 344-359, May 8-10, 1988.
H. Ertl,
J. W. Kolar,
F. Zach
Comparison of Simple and Optimized On-Off Current Controllers for Three-Phase Systems
Proceedings of the 13th International Conference on Power Conversion, Munich, Germany, pp. 66-83, May 11-13, 1987
H. Ertl,
J. W. Kolar,
F. Zach, Comparison of Simple and Optimized On-Off Current Controllers for Three-Phase Systems, Proceedings of the 13th International Conference on Power Conversion, Munich, Germany, pp. 66-83, May 11-13, 1987.
H. Ertl,
J. W. Kolar,
F. C. Zach
Analysis of Different Current Control Concepts for Forced Commutated Rectifier (FCR)
Proceedings of the 11th International Conference on Power Conversion, Munich, Germany, pp. 195-217, June 17-19, 1986
H. Ertl,
J. W. Kolar,
F. C. Zach
, Analysis of Different Current Control Concepts for Forced Commutated Rectifier (FCR), Proceedings of the 11th International Conference on Power Conversion, Munich, Germany, pp. 195-217, June 17-19, 1986.
F. Zach,
K. Kaiser,
J. W. Kolar,
F. Haselsteiner
New Lossless Turn-on and Turn-off (Snubber) Networks for Inverters, Including Circuits for Blocking Voltage Limitation
Record of the 15th IEEE Power Electronics Specialists Conference, Gaithersburg, USA, pp. 34-41, June 18-21, 1984
F. Zach,
K. Kaiser,
J. W. Kolar,
F. Haselsteiner, New Lossless Turn-on and Turn-off (Snubber) Networks for Inverters, Including Circuits for Blocking Voltage Limitation, Record of the 15th IEEE Power Electronics Specialists Conference, Gaithersburg, USA, pp. 34-41, June 18-21, 1984.
