A harmonic elimination and suppression scheme for an open-end winding induction motor drive. - Krushna Keshaba Mohapatra; K. Gopakumar 001; V. T. Somasekhar; Loganathan Umanand (IEEE Trans. Ind. Electron., 2003)

A multilevel inverter system for an induction motor with open-end windings. - V. T. Somasekhar; K. Gopakumar 001; M. R. Baiju; Krushna Keshaba Mohapatra; Loganathan Umanand (IEEE Trans. Ind. Electron., 2005)

Recent Advances and Industrial Applications of Multilevel Converters. - Samir Kouro; Mariusz Malinowski; K. Gopakumar 001; Josep Pou; Leopoldo García Franquelo; Bin Wu 007; José R. Rodríguez; Marcelo A. Pérez; Jose Ignacio León Galván (IEEE Trans. Ind. Electron., 2010)

A Survey on Cascaded Multilevel Inverters. - Mariusz Malinowski; K. Gopakumar 001; José R. Rodríguez; Marcelo A. Pérez (IEEE Trans. Ind. Electron., 2010)

Multilevel octadecagonal space vector generation for induction motor drives by cascading asymmetric three level inverters. - K. Mathew; K. Gopakumar 001; Jaison Mathew; Najath Abdul Azeez; Anubrata Dey; Loganathan Umanand (IECON, 2012)

A 5th and 7th order harmonic suppression scheme for open-end winding asymmetrical six-phase IM drive using capacitor-fed inverter. - Najath Abdul Azeez; Jaison Mathew; K. Gopakumar 001; Carlo Cecati (IECON, 2013)

A seventeen-level inverter with a single DC-link for motor drives. - P. Roshan Kumar; R. Sudharshan Kaarthik; K. Gopakumar 001; P. P. Rajeevan; José I. Leon; Leopoldo García Franquelo (IECON, 2013)

A 19 level dodecagonal voltage space vector structure for medium voltage IM drive. - R. Sudharshan Kaarthik; K. Gopakumar 001; Carlo Cecati; István Nagy 001 (IECON, 2014)

A Medium-Voltage Inverter-Fed IM Drive Using Multilevel 12-Sided Polygonal Vectors, With Nearly Constant Switching Frequency Current Hysteresis Controller. - Najath Abdul Azeez; Anubrata Dey; K. Mathew; Jaison Mathew; K. Gopakumar 001; Marian P. Kazmierkowski (IEEE Trans. Ind. Electron., 2014)

A Harmonic Suppression Scheme for Open-End Winding Split-Phase IM Drive Using Capacitive Filters for the Full Speed Range. - Najath Abdul Azeez; K. Gopakumar 001; Jaison Mathew; Carlo Cecati (IEEE Trans. Ind. Electron., 2014)

A hybrid multilevel inverter scheme for induction motor drives and grid-tied applications using a single DC-link. - R. Sudharshan Kaarthik; P. Roshan Kumar; K. Gopakumar 001; José I. Leon; Leopoldo García Franquelo (ICIT, 2015)

Timing calculations for three level dodecagonal space vector structure from reference phase voltages. - R. Sudharshan Kaarthik; K. Gopakumar 001; Carlo Cecati; István Nagy 001 (IECON, 2015)

Nine level inverter for open end induction motor with eight switches per phase. - Abhijit Kshirsagar; R. Sudharshan Kaarthik; Loganathan Umanand; K. Gopakumar 001; Kaushik Rajashekara (IECON, 2015)

A Voltage Space Vector Diagram Formed by Nineteen Concentric Dodecagons for Medium-Voltage Induction Motor Drive. - R. Sudharshan Kaarthik; K. Gopakumar 001; Carlo Cecati; István Nagy 001 (IEEE Trans. Ind. Electron., 2015)

Medium-Voltage Drive for Induction Machine With Multilevel Dodecagonal Voltage Space Vectors With Symmetric Triangles. - R. Sudharshan Kaarthik; K. Gopakumar 001; Jaison Mathew; Tore Undeland (IEEE Trans. Ind. Electron., 2015)

Low-Order Harmonic Suppression for Open-End Winding IM With Dodecagonal Space Vector Using a Single DC-Link Supply. - Sumit Pramanick; Najath Abdul Azeez; R. Sudharshan Kaarthik; K. Gopakumar 001; Carlo Cecati (IEEE Trans. Ind. Electron., 2015)

Reduced switch count seventeen level inverter topology for open-end induction motor drives. - Abhijit Kshirsagar; R. Sudharshan Kaarthik; S. Arun Rahul; K. Gopakumar 001; Loganathan Umanand; Sujit Biswas; Carlo Cecati (IECON, 2016)

A novel forty nine level stacked inverter topology using low voltage devices for drives. - Viju Nair Rajankutty; Arun Rahul S; K. Gopakumar 001; Biswarup Basak; Leopoldo García Franquelo (IECON, 2016)

A new nine level stacked inverter topology for a symmetric six phase induction motor with low voltage devices and using a single DC link. - Viju Nair R; S. Arun Rahul; Sumit Pramanick; K. Gopakumar 001; Leopoldo García Franquelo (ISIE, 2016)

Multilevel Dodecagonal Voltage Space Vector Structure Generation for Open-End Winding IM Using a Single DC Source. - Mathews Boby; Sumit Pramanick; R. Sudharshan Kaarthik; S. Arun Rahul; K. Gopakumar 001; Loganathan Umanand (IEEE Trans. Ind. Electron., 2016)

Timing Calculations for a General N-Level Dodecagonal Space Vector Structure Using Only Reference Phase Voltages. - R. Sudharshan Kaarthik; K. Gopakumar 001; Carlo Cecati; István Nagy 001 (IEEE Trans. Ind. Electron., 2016)

A Three-Level Dodecagonal Space Vector-Based Harmonic Suppression Scheme for Open-End Winding IM Drives With Single-DC Supply. - Sumit Pramanick; Mathews Boby; Najath Abdul Azeez; K. Gopakumar 001; Sheldon S. Williamson (IEEE Trans. Ind. Electron., 2016)

A Predictive Capacitor Voltage Control of a Hybrid Cascaded Multilevel Inverter With a Single DC-Link and Reduced Common-Mode Voltage Operation. - S. Arun Rahul; R. Sudharshan Kaarthik; K. Gopakumar 001; Leopoldo García Franquelo; Jose Ignacio León Galván (IEEE Trans. Ind. Electron., 2016)

Extended Linear Modulation Operation of a Common-Mode-Voltage-Eliminated Cascaded Multilevel Inverter With a Single DC Supply. - S. Arun Rahul; Sumit Pramanick; Mathews Boby; K. Gopakumar 001; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2016)

Stacked multilevel inverter fed six phase induction motor with reduced DC link and lower voltage devices. - R. Viju Nair; S. Arun Rahul; K. Gopakumar 001; Leopoldo García Franquelo; Sheldon S. Williamson (ICIT, 2017)

Carrier based modulation technique for space vector PWM of dodecagonal voltage SV structures. - R. Sudharshan Kaarthik; Jaison Mathew; K. Gopakumar 001 (IECON, 2017)

Six concentric multilevel twenty-four sided voltage space vector structure for IM drives. - Krishna Raj R; K. Gopakumar 001; Mathews Boby; Apurv Kumar Yadav; Leopoldo García Franquelo; Sheldon S. Williamson (IECON, 2017)

Multilevel dodecagonal space vector generation using stacked inverter cells for IM drives. - Apurv Kumar Yadav; Mathews Boby; Sumit Pramanick; K. Gopakumar 001; Leopoldo García Franquelo (ISIE, 2017)

Low Switch Count Nine-Level Inverter Topology for Open-End Induction Motor Drives. - Abhijit Kshirsagar; R. Sudharshan Kaarthik; K. Gopakumar 001; Loganathan Umanand; Kaushik Rajashekara (IEEE Trans. Ind. Electron., 2017)

A 24-Sided Voltage Space Vector Based IM Drive with Low-Order Harmonic Elimination for the Full Speed Range. - Krishna Raj R; K. Gopakumar 001; Mathews Boby; Mariusz Malinowski; Marek Jasinski (IEEE Trans. Ind. Electron., 2017)

Novel Symmetric Six-Phase Induction Motor Drive Using Stacked Multilevel Inverters With a Single DC Link and Neutral Point Voltage Balancing. - Viju Nair R; S. Arun Rahul; Sumit Pramanick; K. Gopakumar 001; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2017)

A Thirteen Level Twenty-Four Sided Polygonal Voltage Space Vector Structure for Drives. - Krishna Raj R; K. Gopakumar 001; Apurv Kumar Yadav; Loganathan Umanand; Mariusz Malinowski; Wojciech Jarzyna (IECON, 2018)

A Hybrid Seven Level Inverter Topology Formed by Cascading T-Type and Active Neutral Point Clamped Inverter for Induction Motor Drives. - Apurv Kumar Yadav; K. Gopakumar 001; Krishna Raj R; Loganathan Umanand; Subhashish Bhattacharya; Wojciech Jarzyna (IECON, 2018)

Fast Capacitor Balancing Scheme for Low Voltage Cascaded H-bridges in Multilevel Dodecagonal Space Vector Structure. - Mohammed Imthias; Krishna Raj R; Apurv Kumar Yadav; K. Gopakumar 001; Carlo Cecati (ISIE, 2018)

A Very High Resolution Stacked Multilevel Inverter Topology for Adjustable Speed Drives. - Viju Nair R; K. Gopakumar 001; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2018)

A Five-Level Inverter Scheme with Increased Linear Modulation Range. - Mriganka Ghosh Majumder; Rakesh R; Mohammed Imthias; K. Gopakumar 001; Loganathan Umanand; Kamal Al-Haddad; Leopoldo García Franquelo (IECON, 2019)

A 30-sided polygonal space vector structure with modular low voltage capacitor fed cascaded H bridge for IM drive. - Rakesh R; Apurv Kumar Yadav; Krishna Raj R; K. Gopakumar 001; Loganathan Umanand (ISIE, 2019)

Multilevel 24-Sided Polygonal Voltage-Space-Vector Structure Generation for an IM Drive Using a Single DC Source. - Krishna Raj R; K. Gopakumar 001; Mathews Boby; Apurv Kumar Yadav; Leopoldo García Franquelo; Sheldon S. Williamson (IEEE Trans. Ind. Electron., 2019)

A Multilevel 30-sided Space Vector Structure Generation for an Induction Motor Drive Using a Single DC-link. - Rakesh R; Mriganka Ghosh Majumder; K. Gopakumar 001; Loganathan Umanand; Dariusz Zieliski; Leopoldo García Franquelo (IECON, 2020)

Generation of 42-sided polygonal Voltage Space Vector Structure for suppression of lower order harmonics in IM Drive Applications. - Rahul Dewani; Mriganka Ghosh Majumder; Rakesh R; K. Gopakumar 001; Loganathan Umanand; Dariusz Zieliski; Wojciech Jarzyna (ISIE, 2020)

at Novel DC to AC Converter Topology based on Magnetic Flux Rate Switching. - Ruman Kalyan Mahapatra; Souradeep Pal; Loganathan Umanand; K. Gopakumar 001 (ISIE, 2020)

A Nine Level Inverter Topology with Linear Operation at Over-modulation Region. - Souradeep Pal; Mriganka Ghosh Majumder; Rakesh R; Ruman Kalyan Mahapatra; K. Gopakumar 001; Loganathan Umanand (ISIE, 2020)

A Fifteen Concentric 30-sided Polygonal Space Vector Structure Using a Single DC-link for OEIM drive. - Rakesh R; Mriganka Ghosh Majumder; K. Gopakumar 001; Loganathan Umanand; Leopoldo García Franquelo; Wojciech Jarzyna (ISIE, 2020)

Remote Micro-Grid Synchronization Without Measurements at the Point of Common Coupling. - Mateusz Litwin; Dariusz Zielinski; K. Gopakumar 001 (IEEE Access, 2020)

Minimization of Switched Capacitor Voltage Ripple in a Multilevel Dodecagonal Voltage Space Vector Structure for Drives. - Mohammed Imthias; Krishna Raj R; Apurv Kumar Yadav; K. Gopakumar 001; Loganathan Umanand; Carlo Cecati (IEEE Trans. Ind. Electron., 2020)

Extending the Linear Modulation Range to Full Base Speed Independent of Load Power Factor for a Multilevel Inverter Fed IM Drive. - Mriganka Ghosh Majumder; Rakesh R; Mohammed Imthias; K. Gopakumar 001; Loganathan Umanand; Wojciech Jarzyna (IEEE Trans. Ind. Electron., 2020)

A 5-Level Inverter Scheme Using Single DC Link With Reduced Number of Floating Capacitors and Switches for Open-End IM Drives. - Mriganka Ghosh Majumder; Apurv Kumar Yadav; K. Gopakumar 001; Krishna Raj R; Loganathan Umanand; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2020)

Suppression of lower order harmonics by Switched-Capacitive filtering using Polygonal Space Vector Structures and Capacitor Sizing for Induction Motor Drive Applications. - Rahul Dewani; K. Gopakumar 001; Loganathan Umanand; S. Bhattacharya 001 (IECON, 2021)

Suppression of Lower Order Harmonics using a 21-Concentric 42-sided polygonal Space Vector Structure for Induction Motor Drive Applications. - Rahul Dewani; K. Gopakumar 001; Loganathan Umanand; Leopoldo García Franquelo; Kaushik Rajashekara (IECON, 2021)

A 24-sided Polygonal Voltage Space Vector Structure for IM drive with Open end winding Configuration. - Prashant Surana; Rakesh R; K. Gopakumar 001; Loganathan Umanand (IECON, 2021)

Suppression of Lower Order Harmonics for the Full Modulation Range for a Two-Level Inverter-Fed IM Drive With a Switched-Capacitive Filter Technique Forming a 42-Sided Voltage Space Vector Structure. - Rahul Dewani; Rakesh R; K. Gopakumar 001; Loganathan Umanand; Dariusz Zielinski; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2021)

A Multilevel 30-Sided Space Vector Structure With Congruent Triangles and Timing Calculation Using Only Sampled Reference Voltages. - Rakesh R; Mriganka Ghosh Majumder; K. Gopakumar 001; Loganathan Umanand; Dariusz Zielinski; Wojciech Jarzyna; Kamal Al-Haddad (IEEE Trans. Ind. Electron., 2021)

DC-link Capacitors Voltage Control using a Multi-phase Induction Motor Load Driven by a Multilevel Inverter. - Tutan Debnath; K. Gopakumar 001; Loganathan Umanand (IECON, 2022)

Integrated Magnetics-Based Flux-Rate Controlled Single-Phase Inverter Topology. - Ruman Kalyan Mahapatra; Loganathan Umanand; K. Gopakumar 001 (IECON, 2022)

Design of Electromagnet Rotor based Switched Reluctance Machine (ESRM) for Electric Vehicle Applications. - Nair Syam Sundar S.; Prathap B. Reddy; Subhabrata Basak; Loganathan Umanand; K. Gopakumar 001 (IECON, 2022)

A Dense Multilevel 24-sided Polygonal Voltage Space Vector Structure for IM Drive with Open-end Winding Configuration. - Prashant Surana; Mriganka Ghosh Majumder; K. Gopakumar 001; Loganathan Umanand; Leopoldo García Franquelo (IECON, 2022)

A Multilevel Inverter With Inherent Common Coupling Point Voltage Balancing of Stacked Capacitors Across a Single DC-Link for Induction Motor Drives. - Tutan Debnath; Rakesh R; Mriganka Ghosh Majumder; Mohammed Imthias; K. Gopakumar 001; Loganathan Umanand; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2022)

A Single DC-Link Multilevel 42-Sided Polygonal Voltage Space Vector Generation With Lower Order Harmonic Suppression Using Switched-Capacitor Filter. - Rahul Dewani; K. Gopakumar 001; Loganathan Umanand; Leopoldo García Franquelo; Kaushik Rajashekara (IEEE Trans. Ind. Electron., 2022)

A Ten-Level Inverter Fed Drive Scheme with Extended Linear Modulation Range. - Souradeep Pal; Mriganka Ghosh Majumder; Rakesh Resalayyan; K. Gopakumar 001; Loganathan Umanand; Mariusz Malinowski; Dariusz Zielinski (IEEE Trans. Ind. Electron., 2022)

A Very High Resolution 30-Sided Space Vector Generation From a Single DC-Link for Induction Motor Drives. - Rakesh R; Mriganka Ghosh Majumder; Rahul Dewani; K. Gopakumar 001; Loganathan Umanand; Wojciech Jarzyna; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2022)

A 5 Level Inverter Using a 3 Level Inverter and a Capacitor Fed 2 Level Inverter Feeding an IM Drive from Both Sides with Extended Linear Modulation Range Till Full Base Speed. - Vivek R. S; Tutan Debnath; K. Gopakumar 001; Loganathan Umanand; Dariusz Zielinski (IECON, 2023)

Increasing the Linear Modulation Range of a Five-Level Inverter to the Full base Speed with the Elimination of Lower-Order Harmonics for Variable-Speed Drive Applications. - Anchal S. Thakur; Vivek R. S; Rohith; K. Gopakumar 001; Loganathan Umanand; Subba Reddy B (ICIT, 2024)

Single DC-Source Seven-Level Inverter with Extended Linear Modulation for Induction Motor Drives. - Vaidika T. Pardhi; Rohith Pottekkat; Nair Syam Sundar; Vivek R. S; K. Gopakumar 001; Loganathan Umanand (IECON, 2024)

A Single DC Link Four Level Multilevel Inverter with Increased DC Bus Utilization for Drives. - Rohith Pottekkat; Vivek R. S; K. Gopakumar 001; Loganathan Umanand; B. Subba Reddy; Leopoldo García Franquelo (IECON, 2024)

Synthesis of Power Supply Generator Circuit for X-Ray Device with Enhanced Performance. - Nair Syam Sundar S.; Loganathan Umanand; K. Gopakumar 001 (IECON, 2024)

A Variable Speed Induction Motor Drive With 24-Stepped Voltage Waveform Throughout Modulation Range. - Prashant Surana; Kumarukuttan Gopakumar; Loganathan Umanand; Kaushik Rajashekara; Leopoldo García Franquelo (IEEE Trans. Ind. Electron., 2024)

A Five-Level Inverter Topology With Extended Linear Modulation Range Till Full Base Speed Irrespective of Load Power Factor. - Vivek R. S; Tutan Debnath; K. Gopakumar 001; Loganathan Umanand; Dariusz Zielinski (IEEE Trans. Ind. Electron., 2024)

Integrated Magnetic Based Isolated Three Phase Inverter With Flux-Rate Controlled Harmonic Filtering. - Ruman Kalyan Mahapatra; Loganathan Umanand; K. Gopakumar 001 (IEEE Trans. Ind. Electron., 2025)

Improved Trans-Z-Source Active-Neutral-Point-Clamped Multilevel Inverter With Continuous Input Current for Induction Motor Drives. - Lallumol K. Johny; Jaison Mathew; K. Gopakumar 001 (IEEE Trans. Ind. Electron., 2025)

A Single DC Source Multilevel Inverter for Drives With Increasing Linear Modulation Range and Fault Tolerant Capability. - Vaidika T. Pardhi; Rohith Pottekkat; Vivek R. S; K. Gopakumar 001; Loganathan Umanand; Dariusz Zielinski (IEEE Trans. Ind. Electron., 2025)