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Conference Paper

Azeez, Najath Abdul and Mathew, Jaison and Gopakumar, K and Cecati, Carlo (2013) A 5th and 7th Order Harmonic Suppression Scheme for Open-end Winding Asymmetrical Six-phase IM Drive Using Capacitor-fed Inverter. In: 39th Annual Conference of the IEEE Industrial-Electronics-Society (IECON), NOV 10-14, 2013, Vienna, AUSTRIA, pp. 5118-5123.

Roshankumar, P and Kaarthik, Sudharshan and Gopakumar, K and Rajeevan, PP and Leon, Jose I and Franquelo, Leopoldo G (2013) A Seventeen-level Inverter With a Single DC-link For Motor Drives. In: 39th Annual Conference of the IEEE Industrial-Electronics-Society (IECON), NOV 10-14, 2013, Vienna, AUSTRIA, pp. 6176-6181.

RoshanKumar, P and Rajeevan, PP and Mathew, K and Gopakumar, K and Leon, Jose I and Franquelo, Leopoldo G (2012) Common-mode voltage eliminated three-level inverter using a three-level flying-capacitor inverter and cascaded H-bridge. In: IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), DEC 16-19, 2012, Cent Power Res Inst, Bengaluru, INDIA.

Mathew, Jaison and Rajeevan, PP and Mathew, K and Azeez, Najath Abdul and Gopakumar, K (2012) Multilevel Dodecagonal Voltage Space Vector Generation using Flying Capacitor topology for Induction motor drives. In: IEEE Energy Conversion Congress and Exposition (ECCE) , SEP 15-20, 2012 , Raleigh, NC , pp. 1136-1142.

Mathew, K and Gopakumar, K and Mathew, Jaison and Azeez, Najath Abdul and Dey, Anubrata and Umanand, L (2012) Multilevel octadecagonal space vector generation for induction motor drives by cascading asymmetric three level inverters. In: 38th Annual Conference on IEEE-Industrial-Electronics-Society (IECON), OCT 25-28, 2012, Montreal, QC, Canada, pp. 1915-1920.

Azeez, Najath Abdul and Dey, Anubrata and Mathew, K and Mathew, Jaison and Gopakumar, K (2012) A nearly constant switching frequency current hysteresis controller with generalized parabolic boundaries using 12-sided polygonal voltage space vectors for IM drives. In: 2012 XXth International Conference on Electrical Machines (ICEM), 2-5 Sept. 2012, Marseille.

Rajeevan, PP and Patel, C and Gopakumar, K and Haitham, AR and Sivakumar, K (2011) A hybrid nine-level inverter for IM drive. In: 2011 IEEE International Symposium on Industrial Electronics (ISIE), 27-30 June 2011, Gdansk.

Dey, Anubrata and Ramchand, R and Rajeevan, PP and Patel, C and Mathew, K and Gopakumar, K (2011) Nearly constant switching frequency hysteresis current controller for general n-level inverter fed induction motor drive. In: IECON 2011 - 37th Annual Conference on IEEE Industrial Electronics Society, 7-10 Nov. 2011, Melbourne,Australia Gdansk,Poland.

Ramchand, R and Patel, C and Das, A and Sivakumar, K and Gopakumar, K and Patnaik, LM (2010) A current error space vector based hysteresis controller with constant switching frequency and simple online boundary computation for VSI fed IM drive. In: IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society , 23 December 2010 , Bangalore.

Das, Anandarup and Sivakumar, K and Ramchand, Rijil and Patel, Chintan and Gopakumar, K (2009) Multilevel Dodecagonal Space Vector Generation for Open-end Winding Induction Motor Drive Using Conventional Three Level Inverters. In: 13th European Conference on Power Electronics and Applications (EPE 2009), SEP 08-10, 2009, Barcelona, pp. 31-38.

Sivakumar, K and Das, Anandarup and Ramchand, Rijil and Patel, Chintan and Gopakumar, K (2009) A Simple Five-Level Inverter Topology for Induction Motor Drive Using Conventional Two-Level Inverters and Flying Capacitor Technique. In: 35th Annual Conference of the IEEE-Industrial-Electronics-Society, NOV 03-05, 2009, Porto, pp. 932-936.

Das, Anandarup and Sivakumar, K and Mondal, Gopal and Gopakumar, K (2008) A Multilevel Inverter with Hexagonal and 12-sided Polygonal Space Vector Structure for Induction Motor Drive. In: 34th Annual Conference of the IEEE-Industrial-Electronics-Society, NOV 10-13, 2008, Orlando, FL, pp. 1024-1029.

Mondal, Gopal and Gopakumar, K and Tekwani, PN and Levi, Emil (2007) A Multilevel inverter structure with cascaded two level and three level inverters for IM drive with CMV elimination and DC link capacitor voltage balancing. In: Conference Record of the 2007 IEEE Industry Applications Conference, 2007. 42nd IAS Annual Meeting. , 23-27 Sept. 2007 , New Orleans, LA .

Tekwani, PN and Kanchan, RS and Gopakumar, K (2007) An improved sapce phasor based current hysteresis controller with reduced switching frequency variations using variable parabolic bands. In: IEEE Transactions on Industrial Electronics, Oct. 2007, Ahmedabad.

Mondal, Gopal and Gopakumar, K and Tekwani, PN and Levi, E (2007) A five level inverter scheme with common mode volatge elimination by cascading conventional two level and three level NPC inverters for an induction motor drive. In: Conference on Power Electronics and Applications, 2007 European, 2-5 Sept. 2007 , Aalborg .

Sivakumar, K and Gopakumar, K and Somasekhar, VT (2007) DC link capacitor balancing of NPC inverter using switched voltage source for the full modulation range. In: National Power electronics Conference, 2007, INDIA, India.

Figarado, Sheron and Gopakumar, K and Mondal, Gopal and Sivakumar, K and Dinesh, NS (2007) Three-level inverter fed open-end winding IM drive with common mode voltage elimination and reduced power device count. In: 33rd Annual Conference of the IEEE-Industrial-Electronics-Society, NOV 05-08, 2007, Taipei.

Lakshminarayanan, Sanjay and Mondal, Gopal and Tekwani, PN and Gopakumar, K (2006) Elimination of common mode voltage and fifth and seventh harmonics in a multilevel inverter fed IM drive using 12-sided polygonal voltage spacephasor. In: IEEE International Conference on Power Electronic, Drives and Energy Systems,, Dec 12-15, 2006, New Delhi, India,, pp. 256-261.

Tekwani, PN and Kanchan, RS and Sanjay, L and Gopakumar, K (2006) Generation of parabolic trajectories for current error space phasor similar to an SVPWM controller for control of switching frequency variation in current hysteresis PWM controlled IM drives. In: IEEE International Conference on Industrial Technology,, Dec 15-17, 2006, Bombay, India, pp. 113-118.

Tekwani, PN and Kanchan, RS and Sanjay, L and Gopakumar, K (2006) Switching frequency variation control in hysteresis PWM controller for IM drives using variable parabolic bands for current error space phasor. In: IEEE International Symposium on Industrial Electronics,, Jul 09-13, 2006, Montreal, Canada, pp. 2099-2104.

Mohapatra, KK and Gopakumar, K and Baiju, MR and Murty, BV (2004) A Sensorless Speed Control using Stator Ripple Currents for an Induction Motor Drive with Space Phasor PWM. In: Second International Conference on Power Electronics, Machines and Drives, 2004. (PEMD 2004), 31 March-2 April, Edinburgh, UK, Vol. 1 81-86.

Baiju, MR and Gopakumar, K and Mohapatra, KK and Somasekhar, VT and Umanand, L (2003) Five-level inverter voltage-space phasor generation for an open-end winding induction motor drive. In: IEE Proceedings Electric Power Applications, 9 Sept. 2003.

Baiju, MR and Mohapatra, KK and Gopakumar, K (2003) PWM Signal Generation for Dual inverter Fed Open-end Winding Induction Motor Drive Using Only the Instantaneous Reference Phase Amplitudes. In: The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003, 17-20 November 2003, Singapore, Vol.1 450-455.

Somasekhar, VT and Baiju, MR and Mohapatra, KK and Gopakumar, K (2002) A Multilevel Inverter System for an Induction Motor with Open-End Windings. In: 2002 28th Annual Conference of the IEEE Industrial Electronics Society. IECON 02, 5-8 November, Spain, Vol.2, 973-978.

Mohapatra, KK and Gopakumar, K and Somasekhar, VT and Umanand, L (2002) A Novel Modulation Scheme for a Six Phase Induction Motor with Open-End Windings. In: 2002 28th Annual Conference of the IEEE Industrial Electronics Society. IECON 02, 5-8 November, Spain, Vol.1, 810 -815.

Somasekhar, VT and Gopakumar, K and Pittet, Andre and Ranganathan, VT (2001) A Novel PWM Inverter Switching Strategy for a Dual Two-level Inverter Fed Open-end Winding Induction Motor Drive. In: 4th IEEE International Conference on Power Electronics and Drive Systems, 2001. PEDS 2001, 22-25 October, Indonesia, Vol.1, 196-202.

Shivakumar, EG and Gopakumar, K and Sinha, SK and Pittet, Andrei and Ranganathan, VT (2001) Space Vector PWM Control of Dual Inverter Fed Open-End Winding Induction Motor Drive. In: Sixteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2001. APEC 2001, 4-8 March, Anaheim,California, Vol.1, 399-405.

Shivakumar, EG and Somasekhar, VT and Mohapatra, Krushna K and Gopakumar, K and Umanand, L and Sinha, SK (2001) A multi level space phasor based PWM strategy for an open- end winding induction motor drive using two inverters with different DC link voltages. In: 4th IEEE International Conference on Power Electronics and Drive Systems, 2001. PEDS 2001, 22-25 October, Indonesia, Vol.1, 169-175.

Ebenezer, V and Gopakumar, K and Ranganathan, VT (1998) A Sensorless Vector Control Scheme for Induction Motors using a Space Phasor based Current Hysteresis Controller. In: IEEE International Conference on Power Electronic Drives and Energy Systems for Industrial Growth - PEDES '98, 1-3 December, Perth,Australia, 26 -31.

Mistry, Vinay M and Waikar, SP and Gopakumar, K and Umanand, L and Ranganathan, VT (1997) A Multi Axis Space Phasor Based Current Hysteresis Controller for PWM Inverters. In: 1997 International Conference on Power Electronics and Drive Systems, 26-29 May, Singapore, Vol.1, 480-486.

Gopakumar, K and Ranganathan, VT and Bhat, SR (1994) Vector Control of Induction Motor with Split Phase Stator Windings. In: 1994 Conference Record of the IEEE Industry Applications Society Annual Meeting, 2-6 October, Denver,CO, vol.1, 569 -574.

Gopakumar, K and Ranganathan, VT and Bhat, SR (1993) An Efficient PWM Technique for Split Phase Induction Motor Operation Using Dual Voltage Source Inverters. In: Conference Record of the 1993 IEEE Industry Applications Society Annual Meeting, 2-8 October, Toronto,Ontario,Canada, vol.1, 582 -587.

Gopakumar, K and Ranganathan, VT and Bhat, SR (1991) Split Phase Induction Motor Operation from PWM Voltage Source Inverter. In: Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting, 28th September-4th October, Dearborn,Michigan, Vol.1, 437-442.

Journal Article

Azeez, Najath Abdul and Gopakumar, K and Mathew, Jaison and Cecati, Carlo (2014) A Harmonic Suppression Scheme for Open-End Winding Split-Phase IM Drive Using Capacitive Filters for the Full Speed Range. In: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 61 (10). pp. 5213-5221.

Azeez, Najath Abdul and Dey, Anubrata and Mathew, K and Mathew, Jaison and Gopakumar, K and Kazmierkowski, Marian P (2014) A Medium-Voltage Inverter-Fed IM Drive Using Multilevel 12-Sided Polygonal Vectors, With Nearly Constant Switching Frequency Current Hysteresis Controller. In: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 61 (4). pp. 1700-1709.

Dey, Anubrata and Mathew, K and Gopakumar, K and Kazmierkowski, Marian P (2014) Nearly Constant Switching Frequency Hysteresis Current Controller with Fast Online Computation of Boundary for a 2-Level Induction Motor Drive. In: EPE JOURNAL, 23 (3). pp. 13-21.

Kumar, Roshan P and Rajeevan, PP and Mathew, K and Gopakumar, K and Leon, Jose I and Franquelo, Leopoldo G (2014) A Three-Level Common-Mode Voltage Eliminated Inverter With Single DC Supply Using Flying Capacitor Inverter and Cascaded H-Bridge. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 29 (3). pp. 1402-1409.

Rajeevan, PP and Sivakumar, K and Gopakumar, K and Patel, Chintan and Abu-Rub, Haitham (2013) A nine-level inverter topology for medium-voltage induction motor drive with open-end stator winding. In: IEEE Transactions on Industrial Electronics, 60 (9). pp. 3627-3636.

Mathew, Jaison and Mathew, K and Azeez, Najath Abdul and Rajeevan, PP and Gopakumar, K (2013) A Hybrid Multilevel Inverter System Based on Dodecagonal Space Vectors for Medium Voltage IM Drives. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 28 (8). pp. 3723-3732.

Mathew, K and Gopakumar, K and Mathew, Jaison and Azeez, Najath Abdul and Dey, Anubrata and Umanand, L (2013) Medium Voltage Drive for Induction Motors Using Multilevel Octadecagonal Voltage Space Vectors. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 28 (7). pp. 3573-3580.

Mathew, Jaison and Rajeevan, PP and Mathew, K and Azeez, Najath Abdul and Gopakumar, K (2013) A Multilevel Inverter Scheme With Dodecagonal Voltage Space Vectors Based on Flying Capacitor Topology for Induction Motor Drives. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 28 (1). pp. 516-525.

Azeez, Najath Abdul and Dey, Anubrata and Mathew, K and Mathew, Jaison and Gopakumar, K (2013) A Nearly Constant Switching Frequency Current Error Space Vector Based Hysteresis Controller for an IM Drive with 12-sided Polygonal Voltage Space Vectors. In: EPE JOURNAL, 23 (4). pp. 33-41.

Rajeevan, PP and Gopakumar, K (2013) A Reduced Device-Count Hybrid Multilevel Inverter Topology with single DC Source and Improved Fault Tolerance. In: EPE JOURNAL, 23 (2). pp. 14-23.

Dey, Anubrata and Rajeevan, PP and Ramchand, Rijil and Mathew, K and Gopakumar, K (2013) A Space-Vector-Based Hysteresis Current Controller for a General n-Level Inverter-Fed Drive With Nearly Constant Switching Frequency Control. In: IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 60 (5). pp. 1989-1998.

Roshankumar, P and Rajeevan, PP and Mathew, K and Gopakumar, K and Leon, Jose I and Franquelo, Leopoldo G (2012) A Five-Level Inverter Topology with Single-DC Supply by Cascading a Flying Capacitor Inverter and an H-Bridge. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 27 (8). pp. 3505-3512.

Ramchand, Rijil and Gopakumar, K and Patel, Chintan and Sivakumar, K and Das, Anandarup and Abu-Rub, Haitham (2012) Online Computation of Hysteresis Boundary for Constant Switching Frequency Current-Error Space-Vector-Based Hysteresis Controller for VSI-Fed IM Drives. In: IEEE TRANSACTIONS ON POWER ELECTRONICS, 27 (3). pp. 1521-1529.

Patel, Chintan and Rajeevan, PP and Dey, Anubrata and Ramchand, Rijil and Gopakumar, K and Kazmierkowski, Marian P (2012) Fast Direct Torque Control of an Open-End Induction Motor Drive Using 12-Sided Polygonal Voltage Space Vectors. In: IEEE Transactions on Power Electronics, 27 (1). pp. 400-410.

Rajeevan, PP and Gopakumar, K (2012) A Hybrid Five-Level Inverter With Common-Mode Voltage Elimination Having Single Voltage Source for IM Drive Applications. In: IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 48 (6, SI). pp. 2037-2047.

De, S and Rajne, M and Poosapati, S and Patel, C and Gopakumar, K (2012) Low-inductance axial flux BLDC motor drive for more electric aircraft. In: IET Power Electronics, 5 (1). pp. 124-133.

Mathew, K and Mathew, J and Azeez, NA and Dey, A and Umanand, L and Gopakumar, K (2012) Multilevel dodecagonal space-vector generation for induction motor drives by cascading three-level and two-level inverters. In: IET POWER ELECTRONICS, 5 (8). pp. 1324-1332.

Patel, Chintan and Ramchand, Rijil and Sivakumar, K and Das, Anandarup and Gopakumar, K (2011) A Rotor Flux Estimation During Zero and Active Vector Periods Using Current Error Space Vector From a Hysteresis Controller for a Sensorless Vector Control of IM Drive. In: IEEE Transactions on Industrial Electronics, 58 (6). pp. 2334-2344.

Rajeevan, PP and Sivakumar, K and Patel, Chintan and Ramchand, Rijil and Gopakumar, K (2011) A Seven-Level Inverter Topology for Induction Motor Drive Using Two-Level Inverters and Floating Capacitor Fed H-Bridges. In: IEEE Transactions on Power Electronics, 26 (6). pp. 1733-1740.

Mathew, K and Patel, Chintan and Gopakumar, K and Das, Anandarup and Ramchand, Rijil (2011) An asymmetric cascaded H-Bridge inverters for generating 12-sided polygonal space vector diagrams for Motor drives. In: EPE: European Power Electronics and Drives Journal, 21 (1). pp. 21-28.

De, S and Banerjee, D and Kumar, Siva K and Gopakumar, K and Ramchand, R and Patel, C (2011) Multilevel inverters for low-power application. In: IET Power Electronics, 4 (4). pp. 384-392.

Sivakumar, K and Das, Anandarup and Ramchand, Rijil and Patel, Chintan and Gopakumar, K (2010) A Hybrid Multilevel Inverter Topology for an Open-End Winding Induction-Motor Drive Using Two-Level Inverters in Series With a Capacitor-Fed H-Bridge Cell. In: IEEE Transactions on Industrial Electronics, 57 (11). pp. 3707-3714.

Sivakumar, K and Das, Anandarup and Ramchand, Rijil and Patel, Chintan and Gopakumar, K (2010) A Five-Level Inverter Scheme for a Four-Pole Induction Motor Drive by Feeding the Identical Voltage-Profile Windings From Both Sides. In: IEEE Transactions on Industrial Electronics, 57 (8). pp. 2776-2784.

Kouro, Samir and Malinowski, Mariusz and Gopakumar, K and Pou, Josep and Franquelo, Leopoldo G and Wu, Bin and Rodriguez, Jose and Perez, Marcelo A and Leon, Jose I (2010) Recent Advances and Industrial Applications of Multilevel Converters. In: IEEE Transactions on Industrial Electronics, 57 (8). pp. 2553-2580.

Malinowski, Mariusz and Gopakumar, K and Rodriguez, Jose and Perez, Marcelo A (2010) A Survey on Cascaded Multilevel Inverters. In: IEEE Transactions on Industrial Electronics, 57 (7). pp. 2197-2206.

Ramchand, R and Sivakumar, K and Das, A and Patel, C and Gopakumar, K (2010) Improved switching frequency variation control of hysteresis controlled voltage source inverter-fed IM drives using current error space vector. In: IET Power Electronics, 3 (2). pp. 219-231.

Figarado, S and Sivakumar, K and Ramchand, R and Das, A and Patel, C and Gopakumar, K (2010) Five-level inverter scheme for an open-end winding induction machine with less number of switches. In: IET Power Electronics, 3 (4). pp. 637-647.

Kumar, Siva K and Sukumar, D and Gopakumar, K and Mondal, G and Corzine, K (2009) Neutral-point balancing of neutral-point-clamped three-level inverter with a front end switched rectifier DC source for the full modulationn range. In: IET Power Electronics, 2 (5). pp. 527-534.

Das, Anandarup and Sivakumar, K and Ramchand, Rijil and Patel, Chintan and Gopakumar, K (2009) A Pulsewidth Modulated Control of Induction Motor Drive Using Multilevel 12-Sided Polygonal Voltage Space Vectors. In: IEEE Transactions on Industrial Electronics, 56 (7). pp. 2441-2449.

Das, Anandarup and Sivakumar, K and Ramchand, Rijil and Patel, Chintan and Gopakumar, K (2009) A Combination of Hexagonal and 12-Sided Polygonal Voltage Space Vector PWM Control for IM Drives Using Cascaded Two-Level Inverters. In: IEEE Transactions on Industrial Electronics, 56 (5). pp. 1657-1664.

Mondal, Gopal and Sivakumar, K and Ramchand, Rijil and Gopakumar, K and Levi, Emil (2009) A Dual Seven-Level Inverter Supply for an Open-End Winding Induction Motor Drive. In: IEEE Transactions on Industrial Electronics, 56 (5). pp. 1665-1673.

Mondal, Gopal and Sheron, F and Das, Anandarup and Sivakumar, K and Gopakumar, K (2009) A DC-link Capacitor Voltage Balancing with CMV Elimination using only the Switching State Redundancies for a Reduced Switch Count Multi-Level Inverter fed IM Drive. In: EPE JOURNAL, 19 (1). pp. 5-15.

Tekwani, PN and Gopakumar, K (2007) A Dual Five-Level Inverter-Fed Induction Motor Drive With Common-Mode Voltage Elimination and DC-Link Capacitor Voltage Balancing Using Only the Switching-State Redundancy—Part I. In: IEEE Transactions on Industrial Electronics, 54 (5). pp. 2600-2608.

Tekwani, PN and Kanchan, RS and Gopakumar, K (2007) A Dual Five-Level Inverter-Fed Induction Motor Drive With Common-Mode Voltage Elimination and DC-Link Capacitor Voltage Balancing Using Only the Switching-State Redundancy—Part II. In: IEEE Transactions on Industrial Electronics, 54 (5). pp. 2609-2617.

Tekwani, PN and Kanchan, RS and Gopakumar, K (2007) Novel Current Error Space Phasor Based Hysteresis Controller Using Parabolic Bands for Control of Switching Frequency Variations. In: IEEE Transactions on Industrial Electronics, 54 (5). pp. 2648-2656.

Lakshminarayanan, Sanjay and Mondal, Gopal and Tekwani, PN and Mohapatra, KK and Gopakumar, K (2007) Twelve-Sided Polygonal Voltage Space Vector Based Multilevel Inverter for an Induction Motor Drive With Common-Mode Voltage Elimination. In: IEEE Transactions on Industrial Electronics, 54 (5). pp. 2761-2768.

Kanchan, RS and Gopakumar, K and Kennel, R (2007) Synchronised carrier-based SVPWM signal generation scheme for the entire modulation range extending up to six-step mode using the sampled amplitudes of reference phase voltages. In: IET Electric Power Applications, 1 (3). pp. 407-415.

Tekwani, PN and Kanchan, RS and Gopakumar, K and Vezzini, A (2007) Five-Level Inverter Topology for Induction Motor Drives With Common-Mode Voltage Elimination in Complete Modulation Range. In: EPE Journal, 17 (1). pp. 11-23.

Kanchan, RS and Tekwani, PN and Baiju, MR and Gopakumar, K (2007) A Four-level Inverter Scheme with Reduced Common Mode Voltage for an Induction Motor Drive. In: EPE Journal, 15 (3). pp. 49-59.

Mohapatra, KK and Gopakumar, K (2006) A Novel Split Phase Induction Motor Drive without Harmonic Filters and with Linear Voltage Control for the Full Modulation Range. In: EPE Journal, 16 (4). pp. 20-28.

Kanchan, RS and Tekwani, PN and Gopakumar, K (2006) Three-Level Inverter Scheme With Common Mode Voltage Elimination and DC Link Capacitor Voltage Balancing for an Open-End Winding Induction Motor Drive. In: IEEE Transactions on Power Electronics, 21 (6). pp. 1676-1683.

Mohapatra, KK and Gopakumar, K and Baiju, MR and Murty, Balarama V (2006) A sensorless field oriented control of induction motor using ripple currents in space phasor based PWM control. In: EPE Journal, 16 (3). pp. 7-19.

Lakshminarayanan, Sanjay and Kanchan, RS and Tekwani, PN and Gopakumar, K (2006) Multilevel inverter with 12-sided polygonal voltage space vector locations for induction motor drive. In: Iee Proceedings-Electric Power Applications, 53 (3). pp. 411-419.

Tekwani, PN and Kanchan, RS and Gopakumar, K (2005) Five-level inverter scheme for an induction motor drive with simultaneous elimination of commonmode voltage and DC-link capacitor voltage imbalance. In: IEE Proceedings Electric Power Applications, 152 (6). pp. 1539-1555.

Mohapatra, Krishna Keshaba and Kanchan, RS and Baiju, MR and Tekwani, PN and Gopakumar, K (2005) Independent Field-Oriented Control of Two Split-Phase Induction Motors From a Single Six-Phase Inverter. In: IEEE Transactions On Industrial Electronics, 52 (5). pp. 1372-1382.

Tekwani, PN and Kanchan, RS and Gopakumar, K (2005) Current-error space-vector-based hysteresis PWM controller for three-level voltage source inverter fed drives. In: IEE Proceedings-Electric Power Applications, 152 (5). pp. 1283-95.

Somasekhar, VT and Gopakumar, K and Baiju, MR and Mohapatra, Krishna K and Umanand, L (2005) A Multilevel Inverter System for an Induction Motor With Open-End Windings. In: IEEE Transactions on Industrial Electronics, 52 (3). pp. 824-836.

Kanchan, RS and Baiju, MR and Mohapatra, KK and Ouseph, PP and Gopakumar, K (2005) Space vector PWM signal generation for multilevel inverters using only the sampled amplitudes of reference phase voltages. In: IEE Proceedings of Electric Power Applications, 152 (2). pp. 297-309.

Kanchan, RS and Tekwani, PN and Baiju, MR and Gopakumar, K and Pittet, A (2005) Three-level inverter configuration with common-mode voltage elimination for induction motor drive. In: IEE Proceedings of Electric Power Applications, 152 (2). pp. 261-270.

Baiju, MR and Mohapatra, KK and Kanchan, RS and Tekwani, PN and Gopakumar, K (2005) A Space Phasor Based Current Hysteresis Controller Using Adjacent Inverter Voltage Vectors with Smooth Transition to Six Step Operation for a Three Phase VSI. In: EPE Journal, 15 (1). pp. 36-47.

Baiju, MR and Mohapatra, KK and Kanchan, RS and Gopakumar, K (2004) A Dual Two-Level Inverter Scheme with Common Mode Voltage Elimination for an Induction Motor Drive. In: IEEE Transactions on Power Electronics, 19 (3). 794 -805.

Somasekhar, VT and Gopakumar, K and Baiju, MR (2004) Dual two-level inverter scheme for an open-end winding induction motor drive with a single DC power supply and improved DC bus utilisation. In: IEE Proceedings of Electric Power Applications, 151 (2). pp. 230-238.

Mohapatra, Krushna K and Gopakumar, K and Somasekhar, VT and Umanand, L (2003) A Harmonic Elimination and Suppression Scheme for an Open-End Winding Induction Motor Drive. In: IEEE Transactions on Industrial Electronics, 50 (6). pp. 1187-1198.

Baiju, MR and Gopakumar, K and Mohapatra, KK and Somasekhar, VT and Umanand, L (2003) A High Resolution Multilevel Voltage Space Phasor Generation for an Open-end Winding Induction Motor Drive. In: European Power Electronics and Drives, 13 (4). pp. 29-37.

Baiju, MR and Gopakumar, K and Mohapatra, KK and Somasekhar, VT and Umanand, L (2003) Five-level inverter voltage-space phasor generation for an open-end winding induction motor drive. In: IEE Proceedings - Electric Power Applications,, 50 (5). pp. 531-538.

Somasekhar, VT and Gopakumar, K (2003) Three-level inverter configuration cascading two two-level inverters. In: IEE Proceedings of Electric Power Applications, 150 (3). pp. 245-254.

Baiju, MR and Gopakumar, K and Somasekhar, VT and Mohapatra, KK and Umamand, L (2003) A Space Vector Based PWM Method Using Only the Instantaneous Amplitudes of Reference Phase Voltages for Three Level Inverters. In: EPE Journal, 13 (2). pp. 35-45.

Somasekhar, VT and Gopakumar, K and Pittet, A and Ranganathan, VT (2002) PWM inverter switching strategy for a dual two-level inverter fed open-end winding induction motor drive with a switched neutral. In: IEE Proceedings of Electric Power Applications, 149 (2). pp. 152-160.

Somasekhar, VT and Gopakumar, K and Shivakumar, EG and Sinha, SK (2002) A Space Vector Modulation Scheme for a Dual Two Level inverter fed Open-End Winding Induction Motor Drive for the Elimination of Zero Sequence Currents. In: EPE Journal, 12 (2). pp. 26-36.

Somasekhar, VT and Gopakumar, K and Bauu, MR and Mohapatra, KK and Umanand, L (2002) A PWM scheme for a 3-level inverter cascading two 2-level inverters. In: Journal of Indian Insitute of Science, 82 (1). pp. 23-36.

Gopakumar, K and Ranganathan, VT and Bhat, SR (1997) Vector control of induction motor with split phase windings. In: EPE Journal, 7 (1-2). pp. 61-66.

Gopakumar, K and Ranganathan, VT and Bhat, SR (1993) Split-Phase Induction Motor Operation from PWM Voltage Source Inverter. In: IEEE Transactions on Industry Applications, 29 (5). pp. 927-932.

Gopakumar, K and Sathiakumar, S and Biswas, SK and Vithayathil, J (1984) Modified current source inverter fed induction motor drive with reduced torque pulsations. In: Electric Power Applications, IEE Proceedings B, 131 (4). pp. 159-164.

Editorials/Short Communications

Malinowski, Mariusz and Gopakumar, K and Rodriguez, Jose (2010) Special section on multilevel inverters-part1. In: IEEE Transactions on Industrial Electronics, 57 (7). pp. 2194-2196.

This list was generated on Fri Dec 19 04:33:39 2014 IST.