Sivakumar NADARAJAN

Person

Singapore, SG

People

Patents Grantslast 30 patents

Information Patent Grant
Brushless synchronous generator stator winding fault
- Patent number 10,725,107
- Issue date Jul 28, 2020
- Rolls-Royce PLC
- Sivakumar Nadarajan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Assessment method
- Patent number 10,509,078
- Issue date Dec 17, 2019
- Rolls-Royce PLC
- Sivakumar Nadarajan
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for diagnosing a fault condition in an electri...
- Patent number 10,408,879
- Issue date Sep 10, 2019
- Rolls-Royce PLC
- Sivakumar Nadarajan
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for diagnosing a fault condition in an electri...
- Patent number 10,338,143
- Issue date Jul 2, 2019
- Rolls-Royce PLC
- Chandana J Gajanayake
- G01 - MEASURING TESTING
Information Patent Grant
Fault detection in induction machines
- Patent number 10,267,860
- Issue date Apr 23, 2019
- Rolls-Royce PLC
- Subash C Athikessavan
- G01 - MEASURING TESTING
Information Patent Grant
Electrical machine component failure detection apparatus and method
- Patent number 10,082,531
- Issue date Sep 25, 2018
- Rolls-Royce PLC
- Vaiyapuri Viswanathan
- G01 - MEASURING TESTING
Information Patent Grant
Axial flux permanent magnet machine
- Patent number 9,998,062
- Issue date Jun 12, 2018
- Rolls-Royce PLC
- Sivakumar Nadarajan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Open switch fault detection and identification in a two-level volta...
- Patent number 9,964,600
- Issue date May 8, 2018
- Rolls-Royce PLC
- Chandana Jayampathi Gajanayake
- G01 - MEASURING TESTING
Information Patent Grant
Rectifier diode fault detection in brushless exciters
- Patent number 9,910,083
- Issue date Mar 6, 2018
- Rolls-Royce PLC
- Vaiyapuri Viswanathan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault detection in brushless exciters
- Patent number 9,459,320
- Issue date Oct 4, 2016
- Rolls-Royce PLC
- Vaiyapuri Viswanathan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Thermal controller for semiconductor switching power devices
- Patent number 9,035,689
- Issue date May 19, 2015
- Rolls-Royce PLC
- Bikramjit Bhangu
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
POWER ELECTRONICS CONVERTER
- Publication number 20250035714
- Publication date Jan 30, 2025
- Rolls-Royce plc
- Mohamed Sathik MOHAMED HALICK
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DATA LOGGING AND TRANSMISSION DEVICE FOR AN ELECTRIC AIRCRAFT
- Publication number 20240217353
- Publication date Jul 4, 2024
- Rolls-Royce plc
- Sivakumar NADARAJAN
- B60 - VEHICLES IN GENERAL
Information Patent Application
DATA LOGGING DEVICE FOR AN ELECTRIC AIRCRAFT
- Publication number 20240217378
- Publication date Jul 4, 2024
- Rolls-Royce plc
- Sivakumar NADARAJAN
- B60 - VEHICLES IN GENERAL
Information Patent Application
DETERMINING RELIABILITY OF AN ELECTRICAL MACHINE
- Publication number 20240204628
- Publication date Jun 20, 2024
- Rolls-Royce plc
- Rajaram SATHYANARAYAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF MONITORING A HEALTH STATE OF A POWER SEMICONDUCTOR DEVICE
- Publication number 20240192263
- Publication date Jun 13, 2024
- Rolls-Royce plc
- Mohamed Sathik MOHAMED HALICK
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MONITORING A HEALTH STATE OF A POWER SEMICONDUCTOR DEVICE
- Publication number 20240192267
- Publication date Jun 13, 2024
- Rolls-Royce plc
- Mohamed Sathik MOHAMED HALICK
- G01 - MEASURING TESTING
Information Patent Application
POWER ELECTRONICS CONVERTER THERMAL MANAGEMENT
- Publication number 20240186889
- Publication date Jun 6, 2024
- Rolls-Royce plc
- Sivakumar NADARAJAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR DIAGNOSING A FAULT CONDITION IN AN ELECTRI...
- Publication number 20180100895
- Publication date Apr 12, 2018
- Rolls-Royce plc
- Sivakumar NADARAJAN
- G01 - MEASURING TESTING
Information Patent Application
BRUSHLESS SYNCHRONOUS GENERATOR STATOR WINDING FAULT
- Publication number 20180095134
- Publication date Apr 5, 2018
- Rolls-Royce plc
- Sivakumar NADARAJAN
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR DIAGNOSING A FAULT CONDITION IN AN ELECTRI...
- Publication number 20180045784
- Publication date Feb 15, 2018
- Rolls-Royce plc
- Chandana J GAJANAYAKE
- G01 - MEASURING TESTING
Information Patent Application
AXIAL FLUX PERMANENT MAGNET MACHINE
- Publication number 20170279400
- Publication date Sep 28, 2017
- Rolls-Royce plc
- Sivakumar NADARAJAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF CONTROLLING AN INVERTER
- Publication number 20170170715
- Publication date Jun 15, 2017
- Rolls-Royce plc
- Mohamed HM SATHIK
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRICAL MACHINE COMPONENT FAILURE DETECTION APPARATUS AND METHOD
- Publication number 20170160330
- Publication date Jun 8, 2017
- Rolls-Royce plc
- Vaiyapuri VISWANATHAN
- G01 - MEASURING TESTING
Information Patent Application
INVERTER CONTROL METHOD
- Publication number 20160315558
- Publication date Oct 27, 2016
- Rolls-Royce plc
- Meng Yeong LEE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAULT DETECTION AND DIAGNOSIS IN AN INDUCTION MOTOR
- Publication number 20160266208
- Publication date Sep 15, 2016
- Rolls-Royce plc
- Subash Chandar ATHIKESSAVAN
- G01 - MEASURING TESTING
Information Patent Application
OPEN SWITCH FAULT DETECTION AND IDENTIFICATION IN A TWO-LEVEL VOLTA...
- Publication number 20160216332
- Publication date Jul 28, 2016
- Rolls-Royce plc
- Chandana Jayampathi GAJANAYAKE
- G01 - MEASURING TESTING
Information Patent Application
FAULT DETECTION AND DIAGNOSIS
- Publication number 20160216334
- Publication date Jul 28, 2016
- Rolls-Royce plc
- Subash C. ATHIKESSAVAN
- G01 - MEASURING TESTING
Information Patent Application
ASSESSMENT METHOD
- Publication number 20160154065
- Publication date Jun 2, 2016
- Rolls-Royce plc
- Sivakumar NADARAJAN
- G01 - MEASURING TESTING
Information Patent Application
Asset Condition Monitoring
- Publication number 20150346066
- Publication date Dec 3, 2015
- Rolls-Royce plc
- Partha DUTTA
- G01 - MEASURING TESTING
Information Patent Application
FAULT DETECTION IN INDUCTION MACHINES
- Publication number 20150260794
- Publication date Sep 17, 2015
- Rolls-Royce plc
- Subash C. ATHIKESSAVAN
- G01 - MEASURING TESTING
Information Patent Application
FAULT DETECTION IN BRUSHLESS EXCITERS
- Publication number 20150198668
- Publication date Jul 16, 2015
- Rolls-Royce plc
- Vaiyapuri VISWANATHAN
- G01 - MEASURING TESTING
Information Patent Application
RECTIFIER DIODE FAULT DETECTION IN BRUSHLESS EXCITERS
- Publication number 20150198655
- Publication date Jul 16, 2015
- Rolls-Royce plc
- Vaiyapuri VISWANATHAN
- G01 - MEASURING TESTING
Information Patent Application
THERMAL CONTROLLER
- Publication number 20140225659
- Publication date Aug 14, 2014
- Rolls-Royce plc
- Bikramjit BHANGU
- H01 - BASIC ELECTRIC ELEMENTS

Sivakumar NADARAJAN

Person

Patents Grantslast 30 patents

Brushless synchronous generator stator winding fault

Assessment method

Method and apparatus for diagnosing a fault condition in an electri...

Method and apparatus for diagnosing a fault condition in an electri...

Fault detection in induction machines

Electrical machine component failure detection apparatus and method

Axial flux permanent magnet machine

Open switch fault detection and identification in a two-level volta...

Rectifier diode fault detection in brushless exciters

Fault detection in brushless exciters

Thermal controller for semiconductor switching power devices

Patents Applicationslast 30 patents

POWER ELECTRONICS CONVERTER

DATA LOGGING AND TRANSMISSION DEVICE FOR AN ELECTRIC AIRCRAFT

DATA LOGGING DEVICE FOR AN ELECTRIC AIRCRAFT

DETERMINING RELIABILITY OF AN ELECTRICAL MACHINE

METHOD OF MONITORING A HEALTH STATE OF A POWER SEMICONDUCTOR DEVICE

METHOD OF MONITORING A HEALTH STATE OF A POWER SEMICONDUCTOR DEVICE

POWER ELECTRONICS CONVERTER THERMAL MANAGEMENT

METHOD AND APPARATUS FOR DIAGNOSING A FAULT CONDITION IN AN ELECTRI...

BRUSHLESS SYNCHRONOUS GENERATOR STATOR WINDING FAULT

METHOD AND APPARATUS FOR DIAGNOSING A FAULT CONDITION IN AN ELECTRI...

AXIAL FLUX PERMANENT MAGNET MACHINE

METHOD OF CONTROLLING AN INVERTER

ELECTRICAL MACHINE COMPONENT FAILURE DETECTION APPARATUS AND METHOD

INVERTER CONTROL METHOD

FAULT DETECTION AND DIAGNOSIS IN AN INDUCTION MOTOR

OPEN SWITCH FAULT DETECTION AND IDENTIFICATION IN A TWO-LEVEL VOLTA...

FAULT DETECTION AND DIAGNOSIS

ASSESSMENT METHOD

Asset Condition Monitoring

FAULT DETECTION IN INDUCTION MACHINES

FAULT DETECTION IN BRUSHLESS EXCITERS

RECTIFIER DIODE FAULT DETECTION IN BRUSHLESS EXCITERS

THERMAL CONTROLLER