Inventor · disambiguated record
Rangarajan M. Tallam
Also filed as: TALLAM RANGARAJAN · TALLAM RANGARAJAN M · TALLAM RANGARAJAN MADAPUSI
39 granted patents·2 pending applications·789 citations·filing 2000–2022
98Inventor score
Files withROCKWELL AUTOMATION TECH INC23TALLAM RANGARAJAN M6TALLAM RANGARAJAN4GRIES MARK A2VALDEZ CARLOS RODRIGUEZ2
Top patents by PatentIndex Score
41 records- 0198US6842354B1Capacitor charge balancing technique for a three-level PWM power converterROCKWELL AUTOMATION TECH INC·Filed 2003·Granted Jan 11, 2005·254 cites·23 claims
- 0296US7738267B1Systems and methods for common-mode voltage reduction in AC drivesROCKWELL AUTOMATION TECH INC·Filed 2009·Granted Jun 15, 2010·55 cites·20 claims
- 0395US8188694B2Parallel power inverter motor drive systemTALLAM RANGARAJAN M·Filed 2010·Granted May 29, 2012·22 cites·20 claims
- 0495US8107267B2Systems and methods for common-mode voltage reduction in fully regenerative AC drivesTALLAM RANGARAJAN·Filed 2009·Granted Jan 31, 2012·59 cites·21 claims
- 0595US7881081B1Systems and methods for reducing AC drive common-mode currentsROCKWELL AUTOMATION TECH INC·Filed 2010·Granted Feb 1, 2011·29 cites·23 claims
- 0695US7336509B2Method and apparatus for estimating line inductance for PWM rectifier controlROCKWELL AUTOMATION TECH INC·Filed 2005·Granted Feb 26, 2008·39 cites·28 claims
- 0793US9294005B2Method and apparatus for detecting AFE filter capacitor degradationTALLAM RANGARAJAN·Filed 2013·Granted Mar 22, 2016·13 cites·17 claims
- 0893US9042146B2DC pre-charge circuitWEISS BRUCE W·Filed 2012·Granted May 26, 2015·13 cites·26 claims
- 0993US8456807B2Common mode magnetic device for bus structureTALLAM RANGARAJAN M·Filed 2010·Granted Jun 4, 2013·18 cites·20 claims
- 1092US9787210B2Precharging apparatus and power converterROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Oct 10, 2017·6 cites·13 claims
- 1192US8503207B2Discontinuous pulse width drive modulation method and apparatus for reduction of common-mode voltage in power conversion systemsTALLAM RANGARAJAN M·Filed 2010·Granted Aug 6, 2013·14 cites·19 claims
- 1292US6611771B1Method and apparatus to detect a stator turn fault in an AC motorEATON CORP·Filed 2000·Granted Aug 26, 2003·62 cites·40 claims
- 1390US8319466B2Modular line-to-ground fault identificationVALDEZ CARLOS RODRIGUEZ·Filed 2011·Granted Nov 27, 2012·14 cites·23 claims
- 1490US7933108B2Motor drive with low leakage surge protectionROCKWELL AUTOMATION TECH INC·Filed 2007·Granted Apr 26, 2011·20 cites·10 claims
- 1589US7564703B1Method and apparatus for synchronized parallel operation of PWM inverters with limited circulating currentROCKWELL AUTOMATION TECH INC·Filed 2007·Granted Jul 21, 2009·34 cites·23 claims
- 1686US8953296B2AC pre-charge circuitWEISS BRUCE W·Filed 2012·Granted Feb 10, 2015·7 cites·22 claims
- 1785US8488345B2Pulse width modulation control method and system for mitigating reflected wave effects in over-modulation regionTALLAM RANGARAJAN M·Filed 2010·Granted Jul 16, 2013·8 cites·27 claims
- 1884US10564207B2System and method for ground fault detectionROCKWELL AUTOMATION TECH INC·Filed 2017·Granted Feb 18, 2020·2 cites·16 claims
- 1984US8289680B2Power bus system and methodKEEGAN JEREMY J·Filed 2010·Granted Oct 16, 2012·13 cites·26 claims
- 2083US11404865B2Direct current bus capacitor breakdown protection circuit for drivesROCKWELL AUTOMATION TECH INC·Filed 2021·Granted Aug 2, 2022·2 cites·20 claims
- 2183US7215559B2Method and apparatus to reduce common mode voltages applied to a load by a driveROCKWELL AUTOMATION TECH INC·Filed 2004·Granted May 8, 2007·44 cites·23 claims
- 2282US9553533B2DC pre charge circuitROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Jan 24, 2017·2 cites·20 claims
- 2380US10644635B2Systems and methods for motor drive cable characteristics identification and compensation thereforROCKWELL AUTOMATION TECH INC·Filed 2018·Granted May 5, 2020·2 cites·21 claims
- 2479US9374021B2PWM output voltage measurement apparatus and methodTALLAM RANGARAJAN·Filed 2013·Granted Jun 21, 2016·4 cites·10 claims
- 2579US8860335B2System for managing DC link switching harmonicsGRIES MARK A·Filed 2011·Granted Oct 14, 2014·7 cites·20 claims
- 2679US7848122B2Terminator for reducing differential-mode and common-mode voltage reflections in AC motor drivesROCKWELL AUTOMATION TECH INC·Filed 2008·Granted Dec 7, 2010·14 cites·9 claims
- 2778US8710782B2Parallel power inverter motor drive systemTALLAM RANGARAJAN M·Filed 2012·Granted Apr 29, 2014·4 cites·20 claims
- 2876US8704481B2Choke with current sensorVALDEZ CARLOS RODRIGUEZ·Filed 2011·Granted Apr 22, 2014·4 cites·17 claims
- 2976US8174810B2Method and apparatus for reducing differential mode and common mode reflections in motor drivesTALLAM RANGARAJAN M·Filed 2008·Granted May 8, 2012·12 cites·16 claims
- 3075US10389263B2Motor drive with silicon carbide MOSFET switchesROCKWELL AUTOMATION TECH INC·Filed 2017·Granted Aug 20, 2019·2 cites·20 claims
- 3173US9787212B2Motor drive with silicon carbide MOSFET switchesROCKWELL AUTOMATION TECH INC·Filed 2015·Granted Oct 10, 2017·2 cites·16 claims
- 3271US11923793B2Motor-drive with universal jumper configurationROCKWELL AUTOMATION TECH INC·Filed 2021·Granted Mar 5, 2024·0 cites·20 claims
- 3365US8766584B2System and method for managing DC link switching harmonicsGRIES MARK A·Filed 2011·Granted Jul 1, 2014·2 cites·20 claims
- 3461US11218105B2Motor-drive with universal jumper configurationROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Jan 4, 2022·0 cites·17 claims
- 3561US10955489B2System and method for ground fault detectionROCKWELL AUTOMATION TECH INC·Filed 2019·Granted Mar 23, 2021·0 cites·8 claims
- 3659US9270210B2System and method for managing DC link switching harmonicsROCKWELL AUTOMATION TECH INC·Filed 2014·Granted Feb 23, 2016·1 cites·20 claims
- 3757US9246411B2Regenerative voltage doubler rectifier, voltage sag/swell correction apparatus and operating methodsTALLAM RANGARAJAN·Filed 2012·Granted Jan 26, 2016·1 cites·13 claims
- 3856US2023400845A1Hardware reliability monitoring and prediction based on machine learningROCKWELL AUTOMATION TECH INC·Filed 2022·Application pending·0 cites
- 3955US8046179B2Power converter disable verification system and methodROCKWELL AUTOMATION TECH INC·Filed 2008·Granted Oct 25, 2011·4 cites·22 claims
- 4046US11716015B2Low quiescent current startup circuitROCKWELL AUTOMATION TECH INC·Filed 2021·Granted Aug 1, 2023·0 cites·20 claims
- 4144US2016172992A1Ac drive scr and relay precharging apparatusROCKWELL AUTOMATION TECH INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →