Inventor · disambiguated record
Richard A. Lukaszewski
Also filed as: LUKASZEWSKI RICHARD · LUKASZEWSKI RICHARD A
36 granted patents·3 pending applications·481 citations·filing 2005–2017
98Inventor score
Top patents by PatentIndex Score
39 records- 0197US7190143B2Pulse width modulation (PWM) rectifier with variable switching frequencyROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Mar 13, 2007·99 cites·20 claims
- 0295US8841917B2Ground scheme identification methodWEI LIXIANG·Filed 2011·Granted Sep 23, 2014·17 cites·13 claims
- 0395US8570003B2Double fed induction generator converter and method for suppressing transient in deactivation of crowbar circuit for grid fault ridethroughLU HAIHUI·Filed 2011·Granted Oct 29, 2013·18 cites·20 claims
- 0495US7881081B1Systems and methods for reducing AC drive common-mode currentsROCKWELL AUTOMATION TECH INC·Filed 2010·Granted Feb 1, 2011·29 cites·23 claims
- 0595US7356441B2Junction temperature prediction method and apparatus for use in a power conversion moduleROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Apr 8, 2008·43 cites·9 claims
- 0693US7106025B1Cancellation of dead time effects for reducing common mode voltagesROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Sep 12, 2006·52 cites·11 claims
- 0789US8432052B2Wind power converter system with grid side reactive power controlLU HAIHUI·Filed 2010·Granted Apr 30, 2013·19 cites·10 claims
- 0888US9054599B2Power converter and integrated DC choke thereforWEI LIXIANG·Filed 2012·Granted Jun 9, 2015·9 cites·20 claims
- 0988US9041234B2Double fed induction generator (DFIG) converter and method for improved grid fault ridethroughLU HAIHUI·Filed 2012·Granted May 26, 2015·15 cites·12 claims
- 1087US8698504B2System for detection of a ground fault in a high resistance ground networkWEI LIXIANG·Filed 2010·Granted Apr 15, 2014·7 cites·10 claims
- 1185US9590547B2Double fed induction generator (DFIG) converter and method for improved grid fault ridethroughROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Mar 7, 2017·6 cites·18 claims
- 1285US8188693B2DC bus boost method and system for regenerative brakeWEI LIXIANG·Filed 2009·Granted May 29, 2012·17 cites·20 claims
- 1384US7535738B2Method and apparatus including multi-drive configurations for medium voltage loadsROCKWELL AUTOMATION TECH INC·Filed 2006·Granted May 19, 2009·21 cites·31 claims
- 1483US7830036B2Power electronic module pre-charge system and methodROCKWELL AUTOMATION TECH INC·Filed 2008·Granted Nov 9, 2010·20 cites·27 claims
- 1583US7518891B2Auxiliary circuit for use with three-phase drive with current source inverter powering a single-phase loadROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Apr 14, 2009·18 cites·22 claims
- 1681US9612269B2System for detection of a ground fault in a high resistance ground networkROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Apr 4, 2017·4 cites·21 claims
- 1781US8148929B2Power electronic module IGBT protection method and systemWEI LIXIANG·Filed 2008·Granted Apr 3, 2012·11 cites·23 claims
- 1878US9960723B2Motor drive with resonance detection and impedance computationROCKWELL AUTOMATION TECH INC·Filed 2016·Granted May 1, 2018·3 cites·20 claims
- 1978US8471516B2Adjustable speed drive lifetime improvement methodWEI LIXIANG·Filed 2010·Granted Jun 25, 2013·3 cites·22 claims
- 2077US9998030B2Converter lifetime improvement method for doubly fed induction generatorROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Jun 12, 2018·3 cites·20 claims
- 2177US8736091B2Converter lifetime improvement method for doubly fed induction generatorWEI LIXIANG·Filed 2010·Granted May 27, 2014·4 cites·15 claims
- 2277US7902957B2Phase change cooled electrical resistorROCKWELL AUTOMATION TECH INC·Filed 2007·Granted Mar 8, 2011·5 cites·13 claims
- 2375US10389263B2Motor drive with silicon carbide MOSFET switchesROCKWELL AUTOMATION TECH INC·Filed 2017·Granted Aug 20, 2019·2 cites·20 claims
- 2475US7602622B2Compensator with filter for use with a three-phase drive powering a one-phase loadROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Oct 13, 2009·12 cites·20 claims
- 2574US9331487B2Method and apparatus for islanding detection for grid tie convertersYUAN ZHENHUAN·Filed 2013·Granted May 3, 2016·7 cites·20 claims
- 2673US9787212B2Motor drive with silicon carbide MOSFET switchesROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Oct 10, 2017·2 cites·16 claims
- 2772US8373406B2Electrical power quality test circuitry and methodROCKWELL AUTOMATION TECH INC·Filed 2009·Granted Feb 12, 2013·6 cites·23 claims
- 2871US7502238B2Rectifier for reducing current harmonics from unbalanced sourceROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Mar 10, 2009·10 cites·18 claims
- 2969US7728544B2System and method for controlling input line harmonics in a motor driveROCKWELL AUTOMATION TECH INC·Filed 2007·Granted Jun 1, 2010·7 cites·20 claims
- 3064US8570775B2CMV reduction under bus transient conditionWEI LIXIANG·Filed 2011·Granted Oct 29, 2013·2 cites·24 claims
- 3163US9048755B2Adjustable speed drive lifetime improvement systemROCKWELL AUTOMATION TECH INC·Filed 2013·Granted Jun 2, 2015·1 cites·19 claims
- 3262US8117008B2Junction temperature prediction method and apparatus for use in a power conversion moduleKERKMAN RUSSEL J·Filed 2008·Granted Feb 14, 2012·4 cites·12 claims
- 3357US8086420B2Junction temperature prediction method and apparatus for use in a power conversion moduleKERKMAN RUSSEL J·Filed 2008·Granted Dec 27, 2011·3 cites·16 claims
- 3455US2015009726A1Ground scheme identification methodROCKWELL AUTOMATION TECH INC·Filed 2014·Application pending·0 cites
- 3551US7477531B2Compensation circuit for use with a three-phase drive powering a single-phase loadROCKWELL AUTOMATION TECH INC·Filed 2006·Granted Jan 13, 2009·2 cites·23 claims
- 3650US8519655B2DC bus boost method and system for regenerative brakeWEI LIXIANG·Filed 2012·Granted Aug 27, 2013·0 cites·20 claims
- 3748US10217555B2Compact inductorROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Feb 26, 2019·0 cites·20 claims
- 3844US2008266803A1Phase change cooled electrical bus structureROCKWELL AUTOMATION TECH INC·Filed 2007·Application pending·0 cites
- 3943US2007211443A1System and method for postponing application of customizing components in a final driveROCKWELL AUTOMATION TECH INC·Filed 2006·Application pending·0 cites
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