Zhongyuan Cheng

Person

Cambridge, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Filter and AFE power cell phase control
- Patent number 11,469,685
- Issue date Oct 11, 2022
- Rockwell Automation Technologies, Inc.
- Zhituo Ni
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods of multi-motor regenerative drive
- Patent number 11,437,938
- Issue date Sep 6, 2022
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Regenerative medium voltage drive (Cascaded H Bridge) with reduced...
- Patent number 11,342,878
- Issue date May 24, 2022
- Rockwell Automation Technologies, Inc.
- Ahmed Hisham Abuelnaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitor size reduction and lifetime extension for cascaded H-brid...
- Patent number 11,211,879
- Issue date Dec 28, 2021
- Rockwell Automation Technologies, Inc.
- Ahmed Hisham Abuelnaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for bypassing Cascaded H-Bridge (CHB) power ce...
- Patent number 10,305,368
- Issue date May 28, 2019
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Motor drive filter damping
- Patent number 9,923,469
- Issue date Mar 20, 2018
- Rockwell Automation Technologies, Inc.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for bypassing cascaded h-bridge (CHB) power ce...
- Patent number 9,912,221
- Issue date Mar 6, 2018
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion system
- Patent number 9,831,846
- Issue date Nov 28, 2017
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Spare on demand power cells for modular multilevel power converter
- Patent number 9,812,990
- Issue date Nov 7, 2017
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sparse matrix multilevel actively clamped power converter
- Patent number 9,748,862
- Issue date Aug 29, 2017
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power structure diagnostic method and apparatus for improved motor...
- Patent number 9,653,910
- Issue date May 16, 2017
- Rockwell Automation Technologies, Inc.
- Reginald A. Drake
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cascaded H-bridge (CHB) inverter level shift PWM with rotation
- Patent number 9,627,994
- Issue date Apr 18, 2017
- Rockwell Automation Technologies, Inc.
- Thomas Nondahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modular multilevel converter and charging circuit therefor
- Patent number 9,559,541
- Issue date Jan 31, 2017
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multilevel converter systems and methods with reduced common mode v...
- Patent number 9,520,800
- Issue date Dec 13, 2016
- Rockwell Automation Technologies, Inc.
- Kai Tian
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for bypassing cascaded H-bridge (CHB) power ce...
- Patent number 9,425,705
- Issue date Aug 23, 2016
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for detecting partial discharge in electrical c...
- Patent number 9,372,172
- Issue date Jun 21, 2016
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- G01 - MEASURING TESTING
Information Patent Grant
Power converter with common mode voltage reduction
- Patent number 9,362,839
- Issue date Jun 7, 2016
- Rockwell Automation Technologies, Inc.
- Lixang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multilevel converter systems and sinusoidal pulse width modulation...
- Patent number 9,325,252
- Issue date Apr 26, 2016
- Rockwell Automation Technologies, Inc.
- Mehdi Narimani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for detecting partial discharge in electrical c...
- Patent number 9,304,111
- Issue date Apr 5, 2016
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- G01 - MEASURING TESTING
Information Patent Grant
Multilevel voltage source converters and systems
- Patent number 9,083,230
- Issue date Jul 14, 2015
- Rockwell Automation Technologies, Inc.
- Mehdi Narimani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for detecting power converter capacitor degrad...
- Patent number 9,054,589
- Issue date Jun 9, 2015
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cascaded H-Bridge (CHB) inverter level shift PWM with rotation
- Patent number 8,982,593
- Issue date Mar 17, 2015
- Rockwell Automation Technologies, Inc.
- Thomas Nondahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adaptive harmonic reduction apparatus and methods
- Patent number 8,810,182
- Issue date Aug 19, 2014
- Rockwell Automation Technologies, Inc.
- Hua Zhou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cascaded H-bridge (CHB) inverter level shift PWM with rotation
- Patent number 8,619,446
- Issue date Dec 31, 2013
- Rockwell Automation Technologies, Inc.
- Jingbo Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter and integrated DC choke therefor
- Patent number 8,537,575
- Issue date Sep 17, 2013
- Rockwell Automation Technologies, Inc.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC power for SGCT devices using a high frequency current loop with...
- Patent number 8,476,859
- Issue date Jul 2, 2013
- Rockwell Automation Technologies, Inc.
- Angelo Bortolus
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adaptive harmonic reduction apparatus and methods
- Patent number 8,471,514
- Issue date Jun 25, 2013
- Rockwell Automation Technologies, Inc.
- Navid Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Dynamic braking for current source converter based drive
- Patent number 8,400,085
- Issue date Mar 19, 2013
- Rockwell Automation Technologies, Inc.
- Ghodratollah Esmaeili Rineh
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power converter and integrated DC choke therefor
- Patent number 8,379,417
- Issue date Feb 19, 2013
- Rockwell Automation Technologies, Inc.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Common mode voltage reduction apparatus and method for current sour...
- Patent number 8,223,511
- Issue date Jul 17, 2012
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
FILTER AND AFE POWER CELL PHASE CONTROL
- Publication number 20220200479
- Publication date Jun 23, 2022
- Rockwell Automation Technologies, Inc.
- Zhituo Ni
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS OF MULTI-MOTOR REGENERATIVE DRIVE
- Publication number 20220103098
- Publication date Mar 31, 2022
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CAPACITOR SIZE REDUCTION AND LIFETIME EXTENSION FOR CASCADED H-BRID...
- Publication number 20210091681
- Publication date Mar 25, 2021
- Rockwell Automation Technologies, Inc.
- Ahmed Hisham Abuelnaga
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTER AND AFE POWER CELL PHASE CONTROL
- Publication number 20210058003
- Publication date Feb 25, 2021
- Rockwell Automation Technologies, Inc.
- Zhituo Ni
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...
- Publication number 20190214899
- Publication date Jul 11, 2019
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...
- Publication number 20180145578
- Publication date May 24, 2018
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPHASE MULTILEVEL POWER CONVERTER, CONTROL APPARATUS AND METHOD...
- Publication number 20180091058
- Publication date Mar 29, 2018
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVE FILTER DAMPING
- Publication number 20170324333
- Publication date Nov 9, 2017
- Rockwell Automation Technologies, Inc.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION SYSTEM
- Publication number 20170302244
- Publication date Oct 19, 2017
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...
- Publication number 20160344278
- Publication date Nov 24, 2016
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SPARSE MATRIX MULTILEVEL ACTIVELY CLAMPED POWER CONVERTER
- Publication number 20160336872
- Publication date Nov 17, 2016
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MODULAR MULTILEVEL CONVERTER AND CHARGING CIRCUIT THEREFOR
- Publication number 20160211762
- Publication date Jul 21, 2016
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER STRUCTURE DIAGNOSTIC METHOD AND APPARATUS FOR IMPROVED MOTOR...
- Publication number 20160141865
- Publication date May 19, 2016
- Rockwell Automation Technologies, Inc.
- Reginald A. Drake
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTILEVEL CONVERTER SYSTEMS AND METHODS WITH REDUCED COMMON MODE V...
- Publication number 20150200602
- Publication date Jul 16, 2015
- Rockwell Automation Technologies, Inc.
- Mehdi Narimani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTILEVEL CONVERTER SYSTEMS AND METHODS WITH REDUCED COMMON MODE V...
- Publication number 20150194902
- Publication date Jul 9, 2015
- Rockwell Automation Technologies, Inc.
- Kai Tian
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION
- Publication number 20150180369
- Publication date Jun 25, 2015
- Rockwell Automation Technologies, Inc.
- Thomas Nondahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...
- Publication number 20150171733
- Publication date Jun 18, 2015
- Rockwell Automation Technologies, Inc.
- Navid R. Zargari
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR DETECTING PARTIAL DISCHARGE IN ELECTRICAL C...
- Publication number 20150137827
- Publication date May 21, 2015
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR DETECTING PARTIAL DISCHARGE IN ELECTRICAL C...
- Publication number 20150091597
- Publication date Apr 2, 2015
- Rockwell Automation Technologies, Inc.
- Zhongyuan Cheng
- G01 - MEASURING TESTING
Information Patent Application
MULTILEVEL VOLTAGE SOURCE CONVERTERS AND SYSTEMS
- Publication number 20140376287
- Publication date Dec 25, 2014
- Rockwell Automation Technologies, Inc.
- Mehdi Narimani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION
- Publication number 20140036557
- Publication date Feb 6, 2014
- Rockwell Automation Technologies, Inc.
- Thomas Nondahl
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION
- Publication number 20130286704
- Publication date Oct 31, 2013
- Rockwell Automation Technologies, Inc.
- Jingbo Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND INTEGRATED DC CHOKE THEREFOR
- Publication number 20130141950
- Publication date Jun 6, 2013
- Rockwell Automation Technologies, Inc.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE CONVERTER CONFIGURATIONS FOR SOLAR ENERGY SYSTEM APPLICATIONS
- Publication number 20130063991
- Publication date Mar 14, 2013
- Rockwell Automation Technologies, Inc.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR DETECTING POWER CONVERTER CAPACITOR DEGRAD...
- Publication number 20130057297
- Publication date Mar 7, 2013
- Zhongyuan Cheng
- G01 - MEASURING TESTING
Information Patent Application
ADAPTIVE HARMONIC REDUCTION APPARATUS AND METHODS
- Publication number 20130033907
- Publication date Feb 7, 2013
- Hua Zhou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND INTEGRATED DC CHOKE THEREFOR
- Publication number 20130010504
- Publication date Jan 10, 2013
- ROCKWELL AUTOMATION TECHNOLOGIES, INC.
- Yuan Xiao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER WITH COMMON MODE VOLTAGE REDUCTION
- Publication number 20120201056
- Publication date Aug 9, 2012
- ROCKWELL AUTOMATION TECHNOLOGIES, INC.
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC POWER FOR SGCT DEVICES USING A HIGH FREQUENCY CURRENT LOOP WITH...
- Publication number 20120081058
- Publication date Apr 5, 2012
- Rockwell Automation Technologies, Inc.
- Angelo Bortolus
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ADAPTIVE HARMONIC REDUCTION APPARATUS AND METHODS
- Publication number 20120081061
- Publication date Apr 5, 2012
- ROCKWELL AUTOMATION TECHNOLOGIES, INC.
- Navid Zargari
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Zhongyuan Cheng

Person

Patents Grantslast 30 patents

Filter and AFE power cell phase control

Systems and methods of multi-motor regenerative drive

Regenerative medium voltage drive (Cascaded H Bridge) with reduced...

Capacitor size reduction and lifetime extension for cascaded H-brid...

Method and apparatus for bypassing Cascaded H-Bridge (CHB) power ce...

Motor drive filter damping

Method and apparatus for bypassing cascaded h-bridge (CHB) power ce...

Power conversion system

Spare on demand power cells for modular multilevel power converter

Sparse matrix multilevel actively clamped power converter

Power structure diagnostic method and apparatus for improved motor...

Cascaded H-bridge (CHB) inverter level shift PWM with rotation

Modular multilevel converter and charging circuit therefor

Multilevel converter systems and methods with reduced common mode v...

Method and apparatus for bypassing cascaded H-bridge (CHB) power ce...

Systems and methods for detecting partial discharge in electrical c...

Power converter with common mode voltage reduction

Multilevel converter systems and sinusoidal pulse width modulation...

Systems and methods for detecting partial discharge in electrical c...

Multilevel voltage source converters and systems

Method and apparatus for detecting power converter capacitor degrad...

Cascaded H-Bridge (CHB) inverter level shift PWM with rotation

Adaptive harmonic reduction apparatus and methods

Cascaded H-bridge (CHB) inverter level shift PWM with rotation

Power converter and integrated DC choke therefor

DC power for SGCT devices using a high frequency current loop with...

Adaptive harmonic reduction apparatus and methods

Dynamic braking for current source converter based drive

Power converter and integrated DC choke therefor

Common mode voltage reduction apparatus and method for current sour...

Patents Applicationslast 30 patents

FILTER AND AFE POWER CELL PHASE CONTROL

SYSTEMS AND METHODS OF MULTI-MOTOR REGENERATIVE DRIVE

CAPACITOR SIZE REDUCTION AND LIFETIME EXTENSION FOR CASCADED H-BRID...

FILTER AND AFE POWER CELL PHASE CONTROL

METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...

METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...

MULTIPHASE MULTILEVEL POWER CONVERTER, CONTROL APPARATUS AND METHOD...

MOTOR DRIVE FILTER DAMPING

POWER CONVERSION SYSTEM

METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...

SPARSE MATRIX MULTILEVEL ACTIVELY CLAMPED POWER CONVERTER

MODULAR MULTILEVEL CONVERTER AND CHARGING CIRCUIT THEREFOR

POWER STRUCTURE DIAGNOSTIC METHOD AND APPARATUS FOR IMPROVED MOTOR...

MULTILEVEL CONVERTER SYSTEMS AND METHODS WITH REDUCED COMMON MODE V...

MULTILEVEL CONVERTER SYSTEMS AND METHODS WITH REDUCED COMMON MODE V...

CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION

METHOD AND APPARATUS FOR BYPASSING CASCADED H-BRIDGE (CHB) POWER CE...

SYSTEMS AND METHODS FOR DETECTING PARTIAL DISCHARGE IN ELECTRICAL C...

SYSTEMS AND METHODS FOR DETECTING PARTIAL DISCHARGE IN ELECTRICAL C...

MULTILEVEL VOLTAGE SOURCE CONVERTERS AND SYSTEMS

CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION

CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION

POWER CONVERTER AND INTEGRATED DC CHOKE THEREFOR

VOLTAGE CONVERTER CONFIGURATIONS FOR SOLAR ENERGY SYSTEM APPLICATIONS

METHOD AND APPARATUS FOR DETECTING POWER CONVERTER CAPACITOR DEGRAD...

ADAPTIVE HARMONIC REDUCTION APPARATUS AND METHODS

POWER CONVERTER AND INTEGRATED DC CHOKE THEREFOR

POWER CONVERTER WITH COMMON MODE VOLTAGE REDUCTION

DC POWER FOR SGCT DEVICES USING A HIGH FREQUENCY CURRENT LOOP WITH...

ADAPTIVE HARMONIC REDUCTION APPARATUS AND METHODS