Inventors |
Assignee |
Title |
Date |
Patent / Applic. No. |
Country |
J. W. Kolar |
J. W. Kolar |
![Download Apparatus for Reducing the Switching-On Losses (in Rush Losses) of a Unidirectional Three-Point Pulse-Controlled Rectifier System Download Apparatus for Reducing the Switching-On Losses (in Rush Losses) of a Unidirectional Three-Point Pulse-Controlled Rectifier System](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus for Reducing the Switching-On Losses (in Rush Losses) of a Unidirectional Three-Point Pulse-Controlled Rectifier System
|
2000-11-24 |
AT409319 |
AT |
J. Miniböck,
J. W. Kolar
|
J. W. Kolar |
![Download Verfahren zur Maximierung des Wirkungsgrades zweistufiger Stromversorgungssysteme Download Verfahren zur Maximierung des Wirkungsgrades zweistufiger Stromversorgungssysteme](/fileadmin/template/images/tx_ethrdb_files.gif) - Verfahren zur Maximierung des Wirkungsgrades zweistufiger Stromversorgungssysteme
|
2000-11-24 |
AT411505 |
AT |
J. W. Kolar |
J. W. Kolar |
![Download Verfahren zur Minimierung der schaltfrequenten Netzstromoberschwingungen einer Dreieckschaltung einphasiger Pulsgleichrichtersysteme Download Verfahren zur Minimierung der schaltfrequenten Netzstromoberschwingungen einer Dreieckschaltung einphasiger Pulsgleichrichtersysteme](/fileadmin/template/images/tx_ethrdb_files.gif) - Verfahren zur Minimierung der schaltfrequenten Netzstromoberschwingungen einer Dreieckschaltung einphasiger Pulsgleichrichtersysteme
|
2000-11-24 |
AT412179 |
AT |
F. Stögerer,
J. Miniböck,
J. W. Kolar
|
J. W. Kolar |
![Download Multipliziererfreie Phasenstromregelung für unidirektionale Dreiphasen-Dreipunkt-Pulsgleichrichtersysteme mit weitem Aussteuerbereich Download Multipliziererfreie Phasenstromregelung für unidirektionale Dreiphasen-Dreipunkt-Pulsgleichrichtersysteme mit weitem Aussteuerbereich](/fileadmin/template/images/tx_ethrdb_files.gif) - Multipliziererfreie Phasenstromregelung für unidirektionale Dreiphasen-Dreipunkt-Pulsgleichrichtersysteme mit weitem Aussteuerbereich
|
2000-10-06 |
AT411507 |
AT |
J. W. Kolar |
J. W. Kolar |
![Download Vorrichtung zur Erzeugung der Sollwerte der Eingangsströme und der Netzspannungsvorsteuersignale der Eingangsstromregelung eines Dreiphasen-Dreipunkt-Pulsgleichrichtersystems bei Unsymmetrie des speisenden Netzes Download Vorrichtung zur Erzeugung der Sollwerte der Eingangsströme und der Netzspannungsvorsteuersignale der Eingangsstromregelung eines Dreiphasen-Dreipunkt-Pulsgleichrichtersystems bei Unsymmetrie des speisenden Netzes](/fileadmin/template/images/tx_ethrdb_files.gif) - Vorrichtung zur Erzeugung der Sollwerte der Eingangsströme und der Netzspannungsvorsteuersignale der Eingangsstromregelung eines Dreiphasen-Dreipunkt-Pulsgleichrichtersystems bei Unsymmetrie des speisenden Netzes
|
2000-09-11 |
AT411414 |
AT |
J. Ertl,
J. W. Kolar |
J. W. Kolar |
![Download Three-Phase Pulsed Rectifier System with Little Reaction on the Mains System, for a High Input Voltage Download Three-Phase Pulsed Rectifier System with Little Reaction on the Mains System, for a High Input Voltage](/fileadmin/template/images/tx_ethrdb_files.gif) - Three-Phase Pulsed Rectifier System with Little Reaction on the Mains System, for a High Input Voltage
|
2000-05-29 |
AT408496 |
AT |
J. W. Kolar,
J. Ertl
|
J. Ertl |
![Download Device for Generating a Predeterminable Voltage Profile with a High Pulse Power and Limiting Frequency Download Device for Generating a Predeterminable Voltage Profile with a High Pulse Power and Limiting Frequency](/fileadmin/template/images/tx_ethrdb_files.gif) - Device for Generating a Predeterminable Voltage Profile with a High Pulse Power and Limiting Frequency
|
2000-05-26 |
AT409054 |
AT |
J. W. Kolar,
J. Miniböck |
Bartronics Inc. |
![Download Method and Apparatus for Stabilization and Minimization of Losses of a Series Connection of DC/DC-Converters Connected to the Output-Side Partial Voltages of a Three-Level Pwm Rectifier System Download Method and Apparatus for Stabilization and Minimization of Losses of a Series Connection of DC/DC-Converters Connected to the Output-Side Partial Voltages of a Three-Level Pwm Rectifier System](/fileadmin/template/images/tx_ethrdb_files.gif) - Method and Apparatus for Stabilization and Minimization of Losses of a Series Connection of DC/DC-Converters Connected to the Output-Side Partial Voltages of a Three-Level Pwm Rectifier System
|
2000-01-10 |
WO0152397 |
WO, AU |
J. W. Kolar |
Ascom Energy Systems AG |
![Download Three Phase-Electrical Intermediate Circuit having Reduced Network Feedback-Identical Pulse-Director System with a Wide Positioning Range Pertaining to the Output Voltage Download Three Phase-Electrical Intermediate Circuit having Reduced Network Feedback-Identical Pulse-Director System with a Wide Positioning Range Pertaining to the Output Voltage](/fileadmin/template/images/tx_ethrdb_files.gif) - Three Phase-Electrical Intermediate Circuit having Reduced Network Feedback-Identical Pulse-Director System with a Wide Positioning Range Pertaining to the Output Voltage
|
2000-01-05 |
WO0150583 |
WO, US, EP, DE, AU |
J. W. Kolar,
J. Miniböck |
Bartronics Inc. |
![Download A Method and Apparatus for Parallel Operation of Electronic Power Switches Download A Method and Apparatus for Parallel Operation of Electronic Power Switches](/fileadmin/template/images/tx_ethrdb_files.gif) - A Method and Apparatus for Parallel Operation of Electronic Power Switches
|
1999-08-13 |
WO0113519 |
WO, AU, AT |
J. W. Kolar,
J. Miniböck |
Bartronics Inc. |
![Download Apparatus for Increasing the Voltage Utilization of Three-Phase PWM Rectifier Systems with Connection Between Output Center Point and Artificial Mains Star Point Download Apparatus for Increasing the Voltage Utilization of Three-Phase PWM Rectifier Systems with Connection Between Output Center Point and Artificial Mains Star Point](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus for Increasing the Voltage Utilization of Three-Phase PWM Rectifier Systems with Connection Between Output Center Point and Artificial Mains Star Point
|
1999-07-13 |
WO0103490 |
WO, AU, AT |
J. W. Kolar,
U. Drofenik |
J. W. Kolar |
![Download Selbsttätige Einprägung sinusförmiger Netzphasenströme bei Dreiphasenpulsgleichrichtersystemen Download Selbsttätige Einprägung sinusförmiger Netzphasenströme bei Dreiphasenpulsgleichrichtersystemen](/fileadmin/template/images/tx_ethrdb_files.gif) - Selbsttätige Einprägung sinusförmiger Netzphasenströme bei Dreiphasenpulsgleichrichtersystemen
|
1999-05-28 |
AT412374 |
AT |
W. Korb,
J. W. Kolar |
W. Korb,
J. W. Kolar |
![Download Device and Method for Line-Voltage Dependent Thyristor Controlled Pre-Charging of Output Capacitors in a Three-Level Pulse Rectifier System Download Device and Method for Line-Voltage Dependent Thyristor Controlled Pre-Charging of Output Capacitors in a Three-Level Pulse Rectifier System](/fileadmin/template/images/tx_ethrdb_files.gif) - Device and Method for Line-Voltage Dependent Thyristor Controlled Pre-Charging of Output Capacitors in a Three-Level Pulse Rectifier System
|
1999-05-17 |
WO0070735 |
WO, US, EP, DE, AU, AT |
J. W. Kolar,
H. Ertl |
|
- Breitband-Hybrid-Leistungsverstärker mit hohem Wirkungsgrad
|
1999-03-24 |
|
|
F. Stögerer,
J. W. Kolar,
J. Ertl |
J. W. Kolar |
![Download Apparatus for Earth Short Fault Identification (Earth Leakage Current Detection) in Three-Point Pulse-Controlled Rectifier Systems by Modified Neutral Point Current Measurement in the Zero and Full-Voltage States Download Apparatus for Earth Short Fault Identification (Earth Leakage Current Detection) in Three-Point Pulse-Controlled Rectifier Systems by Modified Neutral Point Current Measurement in the Zero and Full-Voltage States](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus for Earth Short Fault Identification (Earth Leakage Current Detection) in Three-Point Pulse-Controlled Rectifier Systems by Modified Neutral Point Current Measurement in the Zero and Full-Voltage States
|
1999-02-12 |
AT409317 |
AT |
R. Wieser,
J. W. Kolar |
J. W. Kolar |
![Download Verfahren zur stossfreien Serien-Parallel-Umschaltung der Stator-Teilwicklungssysteme einer Drehstrom-Asynchronmaschine Download Verfahren zur stossfreien Serien-Parallel-Umschaltung der Stator-Teilwicklungssysteme einer Drehstrom-Asynchronmaschine](/fileadmin/template/images/tx_ethrdb_files.gif) - Verfahren zur stossfreien Serien-Parallel-Umschaltung der Stator-Teilwicklungssysteme einer Drehstrom-Asynchronmaschine
|
1999-02-05 |
AT502434 |
AT |
J. W. Kolar,
M. Schrödl
|
J. W. Kolar |
![Download Apparatus for Series/Parallel Conversion of Converter-Fed Winding Element Systems of a Three-Phase Machine, and Connection of the Converter Outputs to a Voltage Stabilizing Store Download Apparatus for Series/Parallel Conversion of Converter-Fed Winding Element Systems of a Three-Phase Machine, and Connection of the Converter Outputs to a Voltage Stabilizing Store](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus for Series/Parallel Conversion of Converter-Fed Winding Element Systems of a Three-Phase Machine, and Connection of the Converter Outputs to a Voltage Stabilizing Store
|
1998-11-03 |
AT408497 |
AT |
J. W. Kolar |
J. W. Kolar |
![Download Method and Apparatuses for Detecting and Regulating a DC Component of the Magnetization Current of High-Frequency Power Transformers in Converter Circuits Download Method and Apparatuses for Detecting and Regulating a DC Component of the Magnetization Current of High-Frequency Power Transformers in Converter Circuits](/fileadmin/template/images/tx_ethrdb_files.gif) - Method and Apparatuses for Detecting and Regulating a DC Component of the Magnetization Current of High-Frequency Power Transformers in Converter Circuits
|
1998-10-14 |
AT408393 |
AT |
J. W. Kolar |
J. W. Kolar |
![Download Single-Stage Three-Phase Pulse-Controlled Converter System with a DC-Isolated Output Circuit and a Stabilized Output Current Download Single-Stage Three-Phase Pulse-Controlled Converter System with a DC-Isolated Output Circuit and a Stabilized Output Current](/fileadmin/template/images/tx_ethrdb_files.gif) - Single-Stage Three-Phase Pulse-Controlled Converter System with a DC-Isolated Output Circuit and a Stabilized Output Current
|
1998-06-25 |
AT408168 |
AT |
T. Wolfbank,
J. W. Kolar
|
J. W. Kolar |
![Download Control Method for Avoiding a Common-Mode Shift in the Output Voltage of Three-Phase, Three-Point Pulse-Controlled Converter Systems Download Control Method for Avoiding a Common-Mode Shift in the Output Voltage of Three-Phase, Three-Point Pulse-Controlled Converter Systems](/fileadmin/template/images/tx_ethrdb_files.gif) - Control Method for Avoiding a Common-Mode Shift in the Output Voltage of Three-Phase, Three-Point Pulse-Controlled Converter Systems
|
1998-01-21 |
AT408295 |
AT |
J. W. Kolar,
T. Wolbank |
J. W. Kolar |
![Download Bidirectional Converter System for Mains Coupling, with Little Reaction, of a DC Voltage Intermediate-Circuit Pulse-Controlled Inverter System Download Bidirectional Converter System for Mains Coupling, with Little Reaction, of a DC Voltage Intermediate-Circuit Pulse-Controlled Inverter System](/fileadmin/template/images/tx_ethrdb_files.gif) - Bidirectional Converter System for Mains Coupling, with Little Reaction, of a DC Voltage Intermediate-Circuit Pulse-Controlled Inverter System
|
1997-11-21 |
AT407456 |
AT |
J. Ertl,
J. W. Kolar |
J. W. Kolar |
![Download DC/DC Voltage Converter with Automatic Balancing of the Supplying Input Voltage Elements Download DC/DC Voltage Converter with Automatic Balancing of the Supplying Input Voltage Elements](/fileadmin/template/images/tx_ethrdb_files.gif) - DC/DC Voltage Converter with Automatic Balancing of the Supplying Input Voltage Elements
|
1997-04-01 |
AT406432 |
AT |
J. W. Kolar |
ABB Patent GmbH |
![Download Device for Transforming a Three-Phase Voltage System Download Device for Transforming a Three-Phase Voltage System](/fileadmin/template/images/tx_ethrdb_files.gif) - Device for Transforming a Three-Phase Voltage System
|
1997-02-10 |
WO9835429 |
WO, US, EP, DE, AT |
J. W. Kolar |
J. W. Kolar |
![Download Pulsed DC/DC Voltage Converter Having Little Ripple in the Input or Output Current Download Pulsed DC/DC Voltage Converter Having Little Ripple in the Input or Output Current](/fileadmin/template/images/tx_ethrdb_files.gif) - Pulsed DC/DC Voltage Converter Having Little Ripple in the Input or Output Current
|
1997-02-10 |
AT406433 |
AT |
J. Ertl,
J. W. Kolar |
J. W. Kolar |
![Download Apparatus and Method for Low-Loss Active Limiting of the Terminal Voltage of a Unidirectional DC Voltage Supply Device Download Apparatus and Method for Low-Loss Active Limiting of the Terminal Voltage of a Unidirectional DC Voltage Supply Device](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus and Method for Low-Loss Active Limiting of the Terminal Voltage of a Unidirectional DC Voltage Supply Device
|
1996-04-22 |
AT405587 |
AT |
J. Ertl,
U. Drofenik,
J. W. Kolar |
J. W. Kolar |
![Download Apparatus for Simulating the Phase Currents of a Three Phase, Three-Point Pulsed Rectifier System Download Apparatus for Simulating the Phase Currents of a Three Phase, Three-Point Pulsed Rectifier System](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus for Simulating the Phase Currents of a Three Phase, Three-Point Pulsed Rectifier System
|
1996-02-02 |
AT405586 |
AT |
J. W. Kolar |
|
- Weitbereichs-Dreiphasen-Dreipunktpulsgleichrichtersystem
|
1996-01-23 |
|
|
G. Kamath,
N. Mohan,
J. W. Kolar |
University of Minnesota |
![Download Synchronization of the Switching Action of Hysteresis Current Controlled Parallel Connected Power Electronics Systems Download Synchronization of the Switching Action of Hysteresis Current Controlled Parallel Connected Power Electronics Systems](/fileadmin/template/images/tx_ethrdb_files.gif) - Synchronization of the Switching Action of Hysteresis Current Controlled Parallel Connected Power Electronics Systems
|
1995-06-16 |
US5892352 |
US, AT |
J. Ertl,
J. W. Kolar
|
J. W. Kolar |
![Download Broadband Hybrid Power Amplifier having a High Efficiency Download Broadband Hybrid Power Amplifier having a High Efficiency](/fileadmin/template/images/tx_ethrdb_files.gif) - Broadband Hybrid Power Amplifier having a High Efficiency
|
1995-03-14 |
AT404892 |
AT |
J. W. Kolar |
J. W. Kolar |
![Download Control of a Three-Phase, Three-Point Pulsed Rectifier System Download Control of a Three-Phase, Three-Point Pulsed Rectifier System](/fileadmin/template/images/tx_ethrdb_files.gif) - Control of a Three-Phase, Three-Point Pulsed Rectifier System
|
1994-09-01 |
AT406624 |
AT |
J. W. Kolar |
Spitzenberger and Spies GmbH |
![Download Active Filtering Device for Distorted Harmonic-Containing Voltage Waveform of Current Supply System Download Active Filtering Device for Distorted Harmonic-Containing Voltage Waveform of Current Supply System](/fileadmin/template/images/tx_ethrdb_files.gif) - Active Filtering Device for Distorted Harmonic-Containing Voltage Waveform of Current Supply System
|
1994-07-20 |
DE19526359 |
DE, AT |
J. W. Kolar |
IXYS Semiconductor GmbH |
![Download Device and Method for Transforming Three-Phase AC Current into DC Current Download Device and Method for Transforming Three-Phase AC Current into DC Current](/fileadmin/template/images/tx_ethrdb_files.gif) - Device and Method for Transforming Three-Phase AC Current into DC Current
|
1993-12-23 |
EP0660498 |
EP, DE, AT |
J. Ertl,
J. W. Kolar
|
Fronius Schweissmaschinen KG |
![Download Control Device for Supplying Power to a Load Circuit of a DC Load, and a Method for Operating such a Control Device Download Control Device for Supplying Power to a Load Circuit of a DC Load, and a Method for Operating such a Control Device](/fileadmin/template/images/tx_ethrdb_files.gif) - Control Device for Supplying Power to a Load Circuit of a DC Load, and a Method for Operating such a Control Device
|
1992-10-14 |
AT402133 |
AT |
J. W. Kolar,
J. Ertl,
F. Zach |
Siemes AG Österreich |
![Download Flyback Converter Download Flyback Converter](/fileadmin/template/images/tx_ethrdb_files.gif) - Flyback Converter
|
1991-09-05 |
AT399432 |
AT |
J. W. Kolar,
J. Ertl |
Fronius Schweissmaschinen KG |
![Download AC-DC Converter for a D.C. Voltage Consumer and a Method for Supplying the Consumer Download AC-DC Converter for a D.C. Voltage Consumer and a Method for Supplying the Consumer](/fileadmin/template/images/tx_ethrdb_files.gif) - AC-DC Converter for a D.C. Voltage Consumer and a Method for Supplying the Consumer
|
1991-07-10 |
GB2258958 |
DE, GB FR, AT |
F. Zach,
J. W. Kolar,
J. Ertl |
Siemes AG Österreich |
![Download Drive Circuit for a Pulse Converter Download Drive Circuit for a Pulse Converter](/fileadmin/template/images/tx_ethrdb_files.gif) - Drive Circuit for a Pulse Converter
|
1990-07-18 |
AT395664 |
AT |
F. Zach,
J. W. Kolar,
J. Ertl |
F. Zach |
![Download Measurement Device for Mixed Currents of Defined Origin Download Measurement Device for Mixed Currents of Defined Origin](/fileadmin/template/images/tx_ethrdb_files.gif) - Measurement Device for Mixed Currents of Defined Origin
|
1990-07-18 |
AT397741 |
AT |
J. W. Kolar,
F. Zach,
J. Ertl
|
Fronius Schweissmaschinen KG |
![Download Control Method for Three-Phase Bi-Directional Pulse Converters with a High Clock Rate Download Control Method for Three-Phase Bi-Directional Pulse Converters with a High Clock Rate](/fileadmin/template/images/tx_ethrdb_files.gif) - Control Method for Three-Phase Bi-Directional Pulse Converters with a High Clock Rate
|
1989-10-09 |
AT401450 |
AT |
F. Zach,
J. W. Kolar,
J. Ertl |
Fronius Schweissmaschinen KG |
![Download Arrangement for Magnetic Information Transmission Systems, in Particular Pulse Transformers Download Arrangement for Magnetic Information Transmission Systems, in Particular Pulse Transformers](/fileadmin/template/images/tx_ethrdb_files.gif) - Arrangement for Magnetic Information Transmission Systems, in Particular Pulse Transformers
|
1989-06-06 |
AT398862 |
AT |
F. Zach,
J. W. Kolar,
J. Ertl |
F. Zach |
![Download Drive Circuit for an Electronic Power Switch Download Drive Circuit for an Electronic Power Switch](/fileadmin/template/images/tx_ethrdb_files.gif) - Drive Circuit for an Electronic Power Switch
|
1989-06-06 |
AT398869 |
AT |
J. W. Kolar,
F. Haselsteiner |
Siemes AG Österreich |
![Download Apparatus for Conversion of Direct Current Download Apparatus for Conversion of Direct Current](/fileadmin/template/images/tx_ethrdb_files.gif) - Apparatus for Conversion of Direct Current
|
1987-11-12 |
AT388064 |
AT |
J. W. Kolar,
J. Ertl |
Siemes AG Österreich |
![Download Converter Circuit for Bi-Directional Energy Flow Download Converter Circuit for Bi-Directional Energy Flow](/fileadmin/template/images/tx_ethrdb_files.gif) - Converter Circuit for Bi-Directional Energy Flow
|
1987-05-08 |
AT388630 |
AT |