**Journals**

- S. Das, G. Narayanan and M. Pandey, “
**Space-vector-based hybrid pulsewidth modulation techniques for a three-level inverter**,” IEEE Transactions on Power Electronics, accepted for publication. - S. Das and G. Narayanan, “
**Analytical closed-form expressions corresponding to novel switching sequences for neutral-point-clamped inverters**,” IEEE Transactions on Industrial Electronics, accepted for publication. - J.S.S. Prasad and G. Narayanan, “
**Minimization of grid current distortion in parallel-connected converters through carrier interleaving**,” IEEE Transactions on Industrial Electronics, vol. 61, no. 1, pp. 76-91, Jan 2014. - J.S.S. Prasad and G. Narayanan, “
**Minimum switching loss pulse width modulation for reduced power conversion loss in reactive power compensators**,” IET Power Electronics, Aug 2013 - M.K. Modi, S. Venugopal and G. Narayanan, “
**Space vector based analysis of overmodulation in triangle-comparison based PWM for voltage source inverter**,” Sadhana, Vol. 38, Part 3, pp. 331-358, June 2013. - J.S.S. Prasad and G. Narayanan, “
**Apparatus and method for heat-run test on high-power PWM converters with low energy expenditure**,” Sadhana, vol. 38, part 3, pp. 359-375, June 2013. - A.C. Binoj Kumar, J.S.S. Prasad and G. Narayanan, “
**Experimental investigations on the influence of inverter switching sequence on motor acoustic noise**,” IEEE Transactions on Industrial Electronics, Vol. 60(2), pp. 433 – 439, Feb 2013 - V.S.S. Pavan Kumar Hari and G. Narayanan, “
**Space-vector-based hybrid PWM technique to reduce line current distortion in induction motor drives**,” IET Power Electronics, Vol. 5, Issue 8, pp. 1463 – 1471, Sep 2012. - S. Das and G. Narayanan, “
**Novel switching sequences for a space vector modulated three-level inverter**,” IEEE Transactions on Industrial Electronics, Vol. 59 (3), pp. 1477 – 1487, March 2012. - K. Basu, J.S.S. Prasad, G. Narayanan, H. Krishnamurthy and R. Ayyanar, “
**Reduction of torque ripple in induction motor drives using an advanced hybrid PWM technique**,” IEEE Transactions on Industrial Electronics, Vol. 57(6), pp. 2085 – 2091, June 2010. - D. Zhao, V.S.S. Pavan Kumar Hari, G. Narayanan and R. Ayyanar, “
**Space vector based hybrid pulse width modulation techniques for reduced harmonic distortion and switching loss**,” IEEE Transactions on Power Electronics, Vol. 25(3), pp. 760 – 785, March 2010. - Tushar Bhavsar and G. Narayanan, “
**Harmonic analysis of advanced bus-clamping PWM techniques**,” IEEE Transactions on Power Electronics, Vol. 24(10), pp. 2347 – 2352, Oct 2009. - Kaushik Basu, J.S. Siva Prasad and G. Narayanan, “
**Minimization of torque ripple in PWM AC drives**,” IEEE Transactions on Industrial Electronics, Vol. 56(2), pp. 553 – 558, Feb 2009. - J.S. Siva Prasad, Tushar Bhavsar, Rajesh Ghosh and G. Narayanan, “
**Vector control of three-phase AC/DC front-end converter**,” SADHANA, Vol. 33(5), pp. 591 – 613, Oct 2008. - Rajesh Ghosh and G. Narayanan, “
**A simple method to improve the dynamic response of single-phase PWM rectifiers**,” IEEE Transactions on Industrial Electronics, Vol. 55(10), pp. 3627 – 3634, Oct 2008. - G. Narayanan, D. Zhao, H. Krishnamurthy, R. Ayyanar and V.T. Ranganathan, “
**Space vector based hybrid PWM techniques for reduced current ripple**,” IEEE Transactions on Industrial Electronics, Vol. 55(4), pp. 1614-1627, April 2008. - Rajesh Ghosh and G. Narayanan, “
**Control of three-phase, four-wire PWM rectifier**,” IEEE Transactions on Power Electronics, Vol. 23(1), pp. 96-106, Jan 2008 - Rajesh Ghosh and G. Narayanan, “
**Generalized feedforward control of single-phase PWM rectifiers using disturbance observers**,” IEEE Transactions on Industrial Electronics, Vol. 54(2), pp. 984-993, April 2007. - Rajesh Ghosh and G. Narayanan, “
**A single-phase boost rectifier system for wide range of load variations**,” IEEE Transactions on Power Electronics, Vol. 22(2), pp. 470-479, March 2007. - A.R. Beig, G. Narayanan and V.T. Ranganathan, “
**Modified SVPWM algorithm for three level VSI with synchronized and symmetrical waveforms**,” IEEE Transactions on Industrial Electronics, Vol. 54(1), pp. 486-494, Feb 2007. - Rajesh Ghosh and G. Narayanan, “
**A simple analog controller for single-phase half-bridge rectifier**,” IEEE Transactions on Power Electronics, Vol. 22(1), pp. 186-198, Jan 2007 - P.Srikant Varma and G.Narayanan, “
**Space vector PWM as a modified form of sine-triangle PWM for simple analog or digital implementation**,” IETE Journal of Research, Vol. 52(6), pp. 435-449, Nov-Dec 2006. - G. Narayanan, H. Krishnamurthy, Di Zhao and R. Ayyanar, “
**Advanced bus-clamping PWM techniques based on space vector approach**,” IEEE Transactions on Power Electronics, Vol. 21(4), pp. 974 – 984, July 2006. - G.Narayanan and V.T.Ranganathan, “
**Analytical evaluation of harmonic distortion in PWM AC drives using the notion of stator flux ripple**,” IEEE Transactions on Power Electronics, Vol. 20(2), pp. 466 – 474, March 2005. - G.Narayanan and V.T.Ranganathan, “
**Extension of operation of space vector-based low switching frequency PWM strategies using different overmodulation algorithms**,” IEEE Transactions on Power Electronics, Vol. 17(5), pp. 788-798, Sep 2002. - G.Narayanan and V.T.Ranganathan, “
**Two novel synchronised bus-clamping PWM techniques based on space vector approach for high power drives**,” IEEE Transactions on Power Electronics, Vol. 17(1), pp. 84-93, Jan 2002. - G.Narayanan and V.T.Ranganathan, “
**An overmodulation algorithm for space vector modulated inverters and its application to low switching frequency PWM techniques**,” IEE Proceedings on Electric Power Applications, Vol. 148(6), pp. 521-536, Nov 2001. - G.Narayanan, S.R.Muralidhara, A.S.Anand and V.Ramanarayanan, “
**Protection of insulated gate bipolar transistors against short circuit**,” Journal of Indian Institute of Science, Vol. 80, pp. 457-475, Sep./Oct. 2000. - G.Narayanan and V.T.Ranganathan, “
**Triangle-comparison approach and space vector approach to pulsewidth modulation in inverter fed drives**,” Journal of the Indian Institute of Science, Vol. 80, pp. 409-427, Sep./Oct. 2000. - G.Narayanan and V.T.Ranganathan, “
**Synchronised PWM strategies based on space vector approach. Part 2: Performance assessment and application to V/f drives**,” IEE Proceedings on Electric Power Applications, Vol. 146(3), pp. 276-281, May 1999. - G.Narayanan and V.T.Ranganathan, “
**Synchronised PWM strategies based on space vector approach. Part 1: Principles of waveform generation**,” IEE Proceedings on Electric Power Applications, Vol. 146(3), pp. 267-275, May 1999.

**Conferences**

- V.S.S. Pavan Kumar Hari and G. Narayanan, “
**Space-vector-based hybrid PWM technique to reduce peak-to-peak torque ripple in induction motor drives**,” IEEE Applied Power Electronics Conference and Exposition 2014 (IEEE APEC 2014), Fortworth, Texas, March 2014 (accepted for presentation). - Subhas Chandra Das, G. Narayanan and Arvind Tiwari, “
**Experimental study on switching characteristics of an inverter leg consisting of IGBTs of dissimilar makes**,” IEEE International Conference on Electrical Energy Systems, Chennai, Jan 2014. - Anirudh Guha, Aniket Datta, C. Rangesh Babu and G. Narayanan, “
**Experimental investigation on switching characteristics of high-current insulated gate bipolar transistors at low currents**,” IEEE International Conference on Electrical Energy Systems, Chennai, Jan 2014. - Janamejaya Channegowda, B. Saritha and G. Narayanan, “
**Comparative evaluation of switching and average models of a dc-dc boost converter for real-time simulation**,” IEEE International Conference on Electronics, Computing and Communication Technologies, IEEE CONECCT 2014, Bangalore, Jan 2014. - C. Rangesh Babu and G. Narayanan, “
**Study on gate characteristics and drive circuit for 300A/1200V insulated gate bipolar transistors**,” IEEE International Conference on Electronics, Computing and Communication Technologies, IEEE CONECCT 2014, Bangalore, Jan 2014. - Avanish Tripathi and G. Narayanan, “
**Optimal pulse-width modulation of voltage-source inverter fed motor drives with relaxation of quarter wave symmetry condition**,” IEEE International Conference on Electronics, Computing and Communication Technologies, IEEE CONECCT 2014, Bangalore, Jan 2014. - B.Saritha, V. Pandey and G. Narayanan, “
**Computationally efficient model for simulation of boost converter**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - Tapas Roy, V.S.S. Pavan Kumar Hari and G. Narayanan, “
**Study on the effect of dead time and its compensation for bus-clamping PWM techniques**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - Saikat Subhra Ghosh, Rangesh Babu and G. Narayanan, “
**Experimental study on switching characteristics of 50A/1200V and 300A/1200V IGBTs**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - P. Sidharthan and G. Narayanan, “
**Reduction of tab-to-chassis capacitance of a power MOSFET and conducted emission through proper mounting arrangement**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - V.S.S. Pavan Kumar Hari and G. Narayanan, “
**A quick simulation tool for induction motor drives controlled using advanced space-vector-based PWM techniques**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - J.S. Siva Prasad and G. Narayanan, “
**Modeling and control of back-to-back connected PWM converters**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - K.S. Gopalakrishnan and G. Narayanan, “
**Harmonic analysis of dc-link capacitor current in a sinusoidally modulated neutral-point-clamped inverter**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - Avanish Tripathi and G. Narayanan, “
**On-line estimation of fundamental and ripple components of line currents in a voltage-source inverter operated at low switching frequency**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - Anirudh Guha, Avanish Tripathi and G. Narayanan, “
**Experimental study on dead-time induced oscillations in a 100-kW open-loop induction motor drive**,” National Power Electronics Conference, NPEC-2013, IIT Kanpur, Dec 2013. - Subhas Chandra Das, G. Narayanan, Arvind Tiwari and Ajit Kumar, “
**Experimental study on IGBT voltage and current stresses during switching transitions**,” IEEE PES Asia Innovative Smart Grid Technologies Conference, Bangalore, Nov 2013. - Anirudh Guha and G. Narayanan, “
**Average modelling of a voltage source inverter with dead-time in a synchronous reference frame**,” IEEE PES Asia Innovative Smart Grid Technologies Conference, Bangalore, Nov 2013. - V.S.S. Pavan Kumar Hari, G. Narayanan, Rex Joseph and L. Umanand, “
**Analysis of the modulation process in advanced bus-clamping PWM techniques**,” 39th Annual Conference of IEEE Industrial Electronics Society, (IEEE IECON 2013), Vienna, Austria, Nov 2013. - Subhas Chandra Das, G. Narayanan, Arvind Tiwari and Ajit Kumar, “
**Experimental investigation on switching characteristics of IGBTs for traction application**,” IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2012), Bangalore, Dec 2012. - Vikash Kumar, Srikanth Reddy and G. Narayanan, “
**Measurement of IGBT switching characteristics and loss using coaxial current transformer**,” IEEE India International Conference on Power Electronics, IICPE 2012, New Delhi, Dec 2012. - Ch Rajendra Prasad and G. Narayanan, “
**Proportional resonant controller based circulating power setup for thermal testing of multilevel inverter**,” IEEE International Conference on Industrial and Information Systems, ICIIS 2012, IIT Madras, Chennai, Aug 2012. - K.S. Amit Kumar and G. Narayanan, “
**Simplified implementation of space vector PWM strategies for a three-level inverter**,” IEEE International Conference on Industrial and Information Systems, ICIIS 2012, IIT Madras, Chennai, Aug 2012. - K.S. Gopalakrishnan, Soumitra Das and G. Narayanan, “
**Analytical expression for rms dc link capacitor current in a three-level inverter**,” Proc. EE Centenary Conference, IISc, Bangalore, Dec 2011. - V.S.S. Pavan Kumar Hari and G. Narayanan, “
**Study on rotor current waveforms in an inverter-fed induction motor drive during overmodulation**,” Proc. EE Centenary Conference, IISc, Bangalore, Dec 2011. - G.Narayanan, U.J. Shenoy and P.V. Suryanarayana, “
**A course on electronic circuits laboratory for a masters’ programme in electrical engineering**,” National Power Electronics Conference, NPEC-2011, Bengal Engg Science Univ, Dec 2011. - Soumitra Das and G. Narayanan, “
**Space vector based analysis and comparison of sinusoidal pulsewidth modulation schemes for a three-level inverter**,” National Power Electronics Conference, NPEC-2011, Bengal Engg Science Univ, Dec 2011 - Arjun Yadav and G. Narayanan, “
**A low-cost digital controller for power electronic applications**,” National Power Electronics Conference, NPEC-2011, Bengal Engg Science Univ, Dec 2011 - A.C. Binoj Kumar and G. Narayanan, “
**A low-cost system for measurement and spectral analysis of motor acoustic noise**,” National Power Electronics Conference, NPEC-2011, Bengal Engg Science Univ, Dec 2011. - J.S.S. Prasad and G. Narayanan, “
**Reduction of grid current distortion in parallel-connected line-side converters using carrier interleaving**,” National Power Electronics Conference, NPEC-2011, Bengal Engg Science Univ, Dec 2011. - Lalit Patnaik, G. Narayanan and L. Umanand, “
**An investigation into even harmonic injection in pole voltages of a single-phase inverter**,” National Power Electronics Conference, NPEC-2010, Roorkee, June 2010. - A.C. Binoj Kumar and G. Narayanan, “
**A variable switching frequency PWM technique for inverter-fed induction motor to achieve spread spectrum**,” National Power Electronics Conference, NPEC-2010, Roorkee, June 2010. - Soumitra Das and G. Narayanan, “
**Novel switching sequences for a space vector modulated three-level inverter**,” National Power Electronics Conference, NPEC-2010, Roorkee, June 2010 - M. Raghava Krishna and G. Narayanan, “
**A dead-time compensation circuit for voltage source inverters**,” National Power Electronics Conference, NPEC-2010, Roorkee, June 2010 - Manoj Kumar Modi, S. Venugopal and G. Narayanan, “
**Analysis of overmodulation in sine-triangle PWM from a space vector perspective**,” National Power Electronics Conference, NPEC-2010, Roorkee, June 2010. - J.S.S. Prasad and G. Narayanan, “
**Control of parallel-connected converters for load testing of high power PWM converters**,” National Power Electronics Conference, NPEC-2010, Roorkee, June 2010. - V.S.S. Pavan Kumar Hari and G. Narayanan, “
**Comparative evaluation of space vector based pulse width modulation techniques in terms of harmonic distortion and switching loss**,” Proceedings MCDES conference, Indian Institute of Science, Bangalore, May 2008. - J.S. Siva Prasad, T.V. Bhavsar, R. Ghosh and G. Narayanan, “
**Vector control of three-phase ac-dc front-end converter**,” National Power Electronics Conference, NPEC-2007, Bangalore, Dec 17-19, 2007. - S. Venugopal and G. Narayanan, “
**An overmodulation scheme for vector controlled induction motor drives**,” presented at IEEE - PEDES Conference, New Delhi, Dec 2006. - D. Banerjee, Rajesh Ghosh, V.T. Ranganathan and G. Narayanan, “
**Comparison of various sine-triangle PWM techniques for three level voltage source inverters in space vector domain**,” National Power Electronics Conference, NPEC 2005, Kharagpur, India, Dec 2005. - S. Venugopal and G. Narayanan, “
**Design of FPGA based digital platform for control of power electronics systems**,” National Power Electronics Conference, NPEC 2005, Kharagpur, India, Dec 2005 - Rajesh Ghosh and G. Narayanan, “
**Design and implementation of a reduced order observer for inductor current estimation in a buck type rectifier**,” National Power Electronics Conference, NPEC 2005, Kharagpur, India, Dec 2005. - Rajesh Ghosh and G. Narayanan, “
**A simple analog controller for single phase half bridge rectifier and its application to transformerless UPS**,” IEEE Power Electronics Specialists Conference, PESC ‘05, Recife, Brazil, June 2005. - Rajesh Ghosh and G. Narayanan, “
**An input voltage sensorless average current control technique for high-power-factor boost rectifiers operated in the discontinuous conduction mode**,” Proc. IEEE – APEC 2005 Conference, Austin, Texas, USA. - Di Zhao, G. Narayanan and R. Ayyanar, “
**Switching loss characteristics of sequences involving active state division in space vector based PWM**,” Proceedings of the IEEE Applied Power Electronics Conference and Exposition, APEC ‘2004, Anaheim, California, USA, pp. 479-485, February 2004 - T.G. Subhash Joshi, A.S. Haneesh, G. Narayanan and V.T. Ranganathan, “
**A computationally efficient PWM algorithm for multilevel converters**,” Proceedings of the National Power Electronics Conference NPEC 2003, pp. 106-111, Mumbai, India, October 2003. - H. Krishnamurthy, G. Narayanan, R. Ayyanar and V.T. Ranganathan, “
**Design of space vector-based hybrid PWM techniques for reduced current ripple**,” Proceedings of the IEEE Applied Power Electronics Conference and Exposition, APEC ‘2003, Miami, Florida, USA, pp. 583-588, February 2003 - A.R. Beig, G. Narayanan and V.T. Ranganathan, “
**Space vector based synchronized PWM algorithm for three level voltage source inverters: Principles and application to V/f drives**,” Proceedings of IEEE-IECON ‘2002, Sevilla, Spain, Nov. 2002. - G. Narayanan and V.T. Ranganathan, “
**Bus-clamped PWM techniques for AC drives - Application considerations**,” Proceedings of PCIM '2000 Power Electronics Conference, Boston, USA, Oct. 2000. - G. Narayanan and V.T. Ranganathan, “
**Synchronised bus-clamping PWM strategies based on space vector approach for modulation upto six-step mode**,” 2nd International Conf. on Power Electronics, Drives and Energy Systems for Industrial Growth, PEDES '98, Perth, Australia, pp. 996-1001, Nov.-Dec. 1998. - G. Narayanan, Rajib Datta and V.Ramanarayanan, “
**A High Performance Isolated AC/DC Voltage/Current Transducer**,” Proceedings of the International Conference on Instrumentation, ICI-1996, Bangalore, India, pp. 343-347, Aug. 1996