Rangarajan M. Tallam

Person

Germantown, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Motor-drive with universal jumper configuration
- Patent number 11,923,793
- Issue date Mar 5, 2024
- Rockwell Automation Technologies, Inc.
- Xuechao Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Low quiescent current startup circuit
- Patent number 11,716,015
- Issue date Aug 1, 2023
- Rockwell Automation Technologies, Inc.
- Bora Novakovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Direct current bus capacitor breakdown protection circuit for drives
- Patent number 11,404,865
- Issue date Aug 2, 2022
- Rockwell Automation Technologies, Inc.
- Brian P. Brown
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor-drive with universal jumper configuration
- Patent number 11,218,105
- Issue date Jan 4, 2022
- Rockwell Automation Technologies, Inc.
- Xuechao Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for ground fault detection
- Patent number 10,955,489
- Issue date Mar 23, 2021
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Systems and methods for motor drive cable characteristics identific...
- Patent number 10,644,635
- Issue date May 5, 2020
- Rockwell Automation Technologies, Inc.
- Nandini Ganesan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for ground fault detection
- Patent number 10,564,207
- Issue date Feb 18, 2020
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Motor drive with silicon carbide MOSFET switches
- Patent number 10,389,263
- Issue date Aug 20, 2019
- Rockwell Automation Technologies, Inc.
- Kevin Baumann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Precharging apparatus and power converter
- Patent number 9,787,210
- Issue date Oct 10, 2017
- Rockwell Automation Technologies, Inc.
- Yogesh P. Patel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor drive with silicon carbide MOSFET switches
- Patent number 9,787,212
- Issue date Oct 10, 2017
- Rockwell Automation Technologies, Inc.
- Kevin Baumann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC pre charge circuit
- Patent number 9,553,533
- Issue date Jan 24, 2017
- Rockwell Automation Technologies, Inc.
- Bruce W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PWM output voltage measurement apparatus and method
- Patent number 9,374,021
- Issue date Jun 21, 2016
- ROCKWELL AUTOMATION TECHNOLOGIES, INC.
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for detecting AFE filter capacitor degradation
- Patent number 9,294,005
- Issue date Mar 22, 2016
- Rockwell Automation Technologies, Inc.
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for managing DC link switching harmonics
- Patent number 9,270,210
- Issue date Feb 23, 2016
- Rockwell Automation Technologies, Inc.
- Mark A. Gries
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Regenerative voltage doubler rectifier, voltage sag/swell correctio...
- Patent number 9,246,411
- Issue date Jan 26, 2016
- Rockwell Automation Technologies, Inc.
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC pre-charge circuit
- Patent number 9,042,146
- Issue date May 26, 2015
- Rockwell Automation Technologies, Inc.
- Bruce W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC pre-charge circuit
- Patent number 8,953,296
- Issue date Feb 10, 2015
- Rockwell Automation Technologies, Inc.
- Bruce W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for managing DC link switching harmonics
- Patent number 8,860,335
- Issue date Oct 14, 2014
- Rockwell Automation Technologies, Inc.
- Mark A. Gries
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for managing DC link switching harmonics
- Patent number 8,766,584
- Issue date Jul 1, 2014
- Rockwell Automation Technologies, Inc.
- Mark A. Gries
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Parallel power inverter motor drive system
- Patent number 8,710,782
- Issue date Apr 29, 2014
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Choke with current sensor
- Patent number 8,704,481
- Issue date Apr 22, 2014
- Rockwell Automation Technologies, Inc.
- Carlos Rodriguez Valdez
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Discontinuous pulse width drive modulation method and apparatus for...
- Patent number 8,503,207
- Issue date Aug 6, 2013
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse width modulation control method and system for mitigating ref...
- Patent number 8,488,345
- Issue date Jul 16, 2013
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Common mode magnetic device for bus structure
- Patent number 8,456,807
- Issue date Jun 4, 2013
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modular line-to-ground fault identification
- Patent number 8,319,466
- Issue date Nov 27, 2012
- Rockwell Automation Technologies, Inc.
- Carlos Rodriguez Valdez
- G01 - MEASURING TESTING
Information Patent Grant
Power bus system and method
- Patent number 8,289,680
- Issue date Oct 16, 2012
- Rockwell Automation Technologies, Inc.
- Jeremy J. Keegan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Parallel power inverter motor drive system
- Patent number 8,188,694
- Issue date May 29, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for reducing differential mode and common mode...
- Patent number 8,174,810
- Issue date May 8, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for common-mode voltage reduction in fully rege...
- Patent number 8,107,267
- Issue date Jan 31, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter disable verification system and method
- Patent number 8,046,179
- Issue date Oct 25, 2011
- Rockwell Automation Technologies, Inc.
- Alan J Campbell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
HARDWARE RELIABILITY MONITORING AND PREDICTION BASED ON MACHINE LEA...
- Publication number 20230400845
- Publication date Dec 14, 2023
- Rockwell Automation Technologies, Inc.
- Yujia Cui
- G05 - CONTROLLING REGULATING
Information Patent Application
LOW QUIESCENT CURRENT STARTUP CIRCUIT
- Publication number 20220255421
- Publication date Aug 11, 2022
- Rockwell Automation Technologies, Inc.
- Bora Novakovic
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIRECT CURRENT BUS CAPACITOR BREAKDOWN PROTECTION CIRCUIT FOR DRIVES
- Publication number 20220216692
- Publication date Jul 7, 2022
- Rockwell Automation Technologies, Inc.
- Brian P. Brown
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR-DRIVE WITH UNIVERSAL JUMPER CONFIGURATION
- Publication number 20220085745
- Publication date Mar 17, 2022
- Rockwell Automation Technologies, Inc.
- Xuechao Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR-DRIVE WITH UNIVERSAL JUMPER CONFIGURATION
- Publication number 20200244204
- Publication date Jul 30, 2020
- Rockwell Automation Technologies, Inc.
- Xuechao Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR GROUND FAULT DETECTION
- Publication number 20200041559
- Publication date Feb 6, 2020
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR MOTOR DRIVE CABLE CHARACTERISTICS IDENTIFIC...
- Publication number 20190393822
- Publication date Dec 26, 2019
- Rockwell Automation Technologies, Inc.
- Nandini Ganesan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVE WITH SILICON CARBIDE MOSFET SWITCHES
- Publication number 20180026544
- Publication date Jan 25, 2018
- Rockwell Automation Technologies, Inc.
- Kevin Baumann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR GROUND FAULT DETECTION
- Publication number 20170131340
- Publication date May 11, 2017
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- G01 - MEASURING TESTING
Information Patent Application
PRECHARGING APPARATUS AND POWER CONVERTER
- Publication number 20160204709
- Publication date Jul 14, 2016
- Rockwell Automation Technologies, Inc.
- Yogesh P. Patel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AC DRIVE SCR AND RELAY PRECHARGING APPARATUS
- Publication number 20160172992
- Publication date Jun 16, 2016
- Rockwell Automation Technologies, Inc.
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVE WITH SILICON CARBIDE MOSFET SWITCHES
- Publication number 20150318791
- Publication date Nov 5, 2015
- Rockwell Automation Technologies, Inc.
- Kevin Baumann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC PRE-CHARGE CIRCUIT
- Publication number 20150256112
- Publication date Sep 10, 2015
- Rockwell Automation Technologies, Inc.
- Bruce W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PWM OUTPUT VOLTAGE MEASUREMENT APPARATUS AND METHOD
- Publication number 20150171772
- Publication date Jun 18, 2015
- Rockwell Automation Technologies, Inc.
- RANGARAJAN TALLAM
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR DETECTING AFE FILTER CAPACITOR DEGRADATION
- Publication number 20150092460
- Publication date Apr 2, 2015
- Rockwell Automation Technologies, Inc.
- Rangarajan Tallam
- G01 - MEASURING TESTING
Information Patent Application
System and Method for Managing DC Link Switching Harmonics
- Publication number 20140285120
- Publication date Sep 25, 2014
- Mark A. Gries
- G01 - MEASURING TESTING
Information Patent Application
REGENERATIVE VOLTAGE DOUBLER RECTIFIER, VOLTAGE SAG/SWELL CORRECTIO...
- Publication number 20140104896
- Publication date Apr 17, 2014
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System for Managing DC Link Switching Harmonics
- Publication number 20130119901
- Publication date May 16, 2013
- Mark A. Gries
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC PRE-CHARGE CIRCUIT
- Publication number 20130121051
- Publication date May 16, 2013
- Rockwell Automation Technologies, Inc.
- Bruce W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
System and Method for Managing DC Link Switching Harmonics
- Publication number 20130119902
- Publication date May 16, 2013
- Mark A. Gries
- G01 - MEASURING TESTING
Information Patent Application
AC PRE-CHARGE CIRCUIT
- Publication number 20130119903
- Publication date May 16, 2013
- Rockwell Automation Technologies, Inc.
- Bruce W. Weiss
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PARALLEL POWER INVERTER MOTOR DRIVE SYSTEM
- Publication number 20120235614
- Publication date Sep 20, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MODULAR LINE-TO-GROUND FAULT IDENTIFICATION
- Publication number 20120212172
- Publication date Aug 23, 2012
- Rockwell Automation Technologies, Inc.
- Carlos Rodriguez Valdez
- G01 - MEASURING TESTING
Information Patent Application
CHOKE WITH CURRENT SENSOR
- Publication number 20120187883
- Publication date Jul 26, 2012
- Rockwell Automation Technologies, Inc.
- Carlos Rodriguez Valdez
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PULSE WIDTH MODULATION CONTROL METHOD AND SYSTEM FOR MITIGATING REF...
- Publication number 20120140532
- Publication date Jun 7, 2012
- ROCKWELL AUTOMATION TECHNOLOGIES, INC.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DISCONTINUOUS PULSE WIDTH DRIVE MODULATION METHOD AND APPARATUS
- Publication number 20120075892
- Publication date Mar 29, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER BUS SYSTEM AND METHOD
- Publication number 20120014039
- Publication date Jan 19, 2012
- Rockwell Automation Technologies, Inc.
- Jeremy J. Keegan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COMMON MODE MAGNETIC DEVICE FOR BUS STRUCTURE
- Publication number 20120014042
- Publication date Jan 19, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PARALLEL POWER INVERTER MOTOR DRIVE SYSTEM
- Publication number 20120013283
- Publication date Jan 19, 2012
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR COMMON-MODE VOLTAGE REDUCTION IN FULLY REGE...
- Publication number 20100172162
- Publication date Jul 8, 2010
- ROCKWELL AUTOMATION TECHNOLOGIES, INC.
- Rangarajan Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Rangarajan M. Tallam

Person

Patents Grantslast 30 patents

Motor-drive with universal jumper configuration

Low quiescent current startup circuit

Direct current bus capacitor breakdown protection circuit for drives

Motor-drive with universal jumper configuration

System and method for ground fault detection

Systems and methods for motor drive cable characteristics identific...

System and method for ground fault detection

Motor drive with silicon carbide MOSFET switches

Precharging apparatus and power converter

Motor drive with silicon carbide MOSFET switches

DC pre charge circuit

PWM output voltage measurement apparatus and method

Method and apparatus for detecting AFE filter capacitor degradation

System and method for managing DC link switching harmonics

Regenerative voltage doubler rectifier, voltage sag/swell correctio...

DC pre-charge circuit

AC pre-charge circuit

System for managing DC link switching harmonics

System and method for managing DC link switching harmonics

Parallel power inverter motor drive system

Choke with current sensor

Discontinuous pulse width drive modulation method and apparatus for...

Pulse width modulation control method and system for mitigating ref...

Common mode magnetic device for bus structure

Modular line-to-ground fault identification

Power bus system and method

Parallel power inverter motor drive system

Method and apparatus for reducing differential mode and common mode...

Systems and methods for common-mode voltage reduction in fully rege...

Power converter disable verification system and method

Patents Applicationslast 30 patents

HARDWARE RELIABILITY MONITORING AND PREDICTION BASED ON MACHINE LEA...

LOW QUIESCENT CURRENT STARTUP CIRCUIT

DIRECT CURRENT BUS CAPACITOR BREAKDOWN PROTECTION CIRCUIT FOR DRIVES

MOTOR-DRIVE WITH UNIVERSAL JUMPER CONFIGURATION

MOTOR-DRIVE WITH UNIVERSAL JUMPER CONFIGURATION

SYSTEM AND METHOD FOR GROUND FAULT DETECTION

SYSTEMS AND METHODS FOR MOTOR DRIVE CABLE CHARACTERISTICS IDENTIFIC...

MOTOR DRIVE WITH SILICON CARBIDE MOSFET SWITCHES

SYSTEM AND METHOD FOR GROUND FAULT DETECTION

PRECHARGING APPARATUS AND POWER CONVERTER

AC DRIVE SCR AND RELAY PRECHARGING APPARATUS

MOTOR DRIVE WITH SILICON CARBIDE MOSFET SWITCHES

DC PRE-CHARGE CIRCUIT

PWM OUTPUT VOLTAGE MEASUREMENT APPARATUS AND METHOD

METHOD AND APPARATUS FOR DETECTING AFE FILTER CAPACITOR DEGRADATION

System and Method for Managing DC Link Switching Harmonics

REGENERATIVE VOLTAGE DOUBLER RECTIFIER, VOLTAGE SAG/SWELL CORRECTIO...

System for Managing DC Link Switching Harmonics

DC PRE-CHARGE CIRCUIT

System and Method for Managing DC Link Switching Harmonics

AC PRE-CHARGE CIRCUIT

PARALLEL POWER INVERTER MOTOR DRIVE SYSTEM

MODULAR LINE-TO-GROUND FAULT IDENTIFICATION

CHOKE WITH CURRENT SENSOR

PULSE WIDTH MODULATION CONTROL METHOD AND SYSTEM FOR MITIGATING REF...

DISCONTINUOUS PULSE WIDTH DRIVE MODULATION METHOD AND APPARATUS

POWER BUS SYSTEM AND METHOD

COMMON MODE MAGNETIC DEVICE FOR BUS STRUCTURE

PARALLEL POWER INVERTER MOTOR DRIVE SYSTEM

SYSTEMS AND METHODS FOR COMMON-MODE VOLTAGE REDUCTION IN FULLY REGE...