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Faculty & Staff

Dr. Sulake Nagaraja Rao
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Dr. Sulake Nagaraja Rao

Associate Head

  • School/College

    Faculty of Engineering and Technology

  • Department

    Department of Electrical Engineering

Dr. S. Nagaraja Rao has done his Ph.D. on Multilevel Converters for Distributed Generation at JNT University, Kakinada in 2019. He also developed a prototype model of FPGA based DC-Link multilevel inverter during his Ph.D. During his research he published more than 35 manuscripts in SCIE/Web of Sciences and Scopus indexed journals. He supervised one Ph.D. dissertation and currently guiding six Ph.D. scholars in the area of Renewable Energy Sources for power converters. His area of interest includes development of novel multilevel converter topologies for renewable energy sources. His latest articles published in Web of Science Core Collection journals indicate contribution to the development of advanced MPPT and modulation techniques to control various converters. Moreover, his experience in guiding Ph.D. and PG students indicates his familiarity with the challenges and opportunities associated with research in power electronics. This experience will help him guide the current project team effectively and ensure that the project is executed efficiently and effectively.

Qualifications

  • Ph.D. in Electrical & Electronics Engineering

    JNT University, Kakinada, 2019

  • M.Tech in Power Electronics

    RGMCET (Autonomous), Affiliated to JNT University, Hyderabad, 2008

  • B.Tech in Electrical & Electronics Engineering

    IEC, Affiliated to JNT University, Hyderabad, 2006

Experience

Total Years of Experience

14 Years 8 Months

Academic Experience

RGM College of Engineering and Technology (Autonomous), Nandyal : 6 Years (From July 2008 to May 2014)

M.S. Ramaiah University of Applied Sciences, Bangalore : From July 2014 to till now

Training Experience (With Topics)

S.No. Topic of Corporate Training Delivered Training Details Year
1 Battery Technology General Motors, Bangalore July 2018
2 Battery Technology General Motors, Bangalore September 2018
3 Battery Technology General Motors, Bangalore September 2018
4 Electric Vehicle and Battery Technology Tata Consultancy Services, Bangalore May 2019

  • DC-DC Power Converters, Renewable Energy Systems, Development of MPPT controllers, Multilevel Inverters, PWM control techniques

  • Nair, S., Prajwal, K.T., Rao, S.N. and Kumar, B.K., 2022. Performance Analysis of a High Gain Quasi Z-Source Network Based Cascaded H-Bridge Multi-level Inverter. In Distributed Computing and Optimization Techniques: Select Proceedings of ICDCOT 2021 (pp. 691-701). Singapore: Springer Nature Singapore.
  • Divyashree, B. and Rao, S.N., 2022. An Assessment of Criss-Cross Multilevel Inverter with Fault Tolerance for Electric Vehicle Applications. In Distributed Computing and Optimization Techniques: Select Proceedings of ICDCOT 2021 (pp. 153-163). Singapore: Springer Nature Singapore.
  • Kumar, V., Duraiswamy, P. and Nagaraja Rao, S., 2022, February. Intelligent Control-Based Boost Converter Interfaced with Three-Level Diode Clamped Inverter. In Proceedings of International Conference on Industrial Instrumentation and Control: ICI2C 2021 (pp. 597-608). Singapore: Springer Nature Singapore.
  • Kiran Kumar, B.M., Indira, M.S. and Nagaraja Rao, S., 2021. Performance evaluation of solar PV using multiple level voltage gain boost converter with CLC cell. In Innovations in Electrical and Electronic Engineering: Proceedings of ICEEE 2021 (pp. 237-251). Springer Singapore.
  • Nagaraja Rao, S. and Praveen Kumar, V., 2021. An Enhanced Boost Z-Source Inverter Topology for Electrical Vehicle Applications. In Advances in Energy Technology: Select Proceedings of EMSME 2020 (pp. 557-570). Singapore: Springer Singapore.
  • Nagaraja Rao, S., Kiran Kumar, B.M. and Nair, S., 2021. Three-level modified capacitor-assisted extended boost z-source multilevel inverter for photovoltaic applications. In Advances in Energy Technology: Select Proceedings of EMSME 2020 (pp. 529-540). Singapore: Springer Singapore.
  • Hegde, M., Rao, S.N. and Indira, M.S., 2020. Modified cascaded reversing voltage multilevel inverter using optimal switching angle technique for photovoltaic applications. In Innovations in Electrical and Electronic Engineering: Proceedings of ICEEE 2020 (pp. 319-338). Singapore: Springer Singapore.

  • Received an Annual Exemplary Teacher Award for the year 2022 from M.S. Ramaiah University of Applied Sciences, Bangalore on the occasion of Teacher’s Day 2022.
  • Received the honorarium of $1000 USD from the sponsors of National Institute of Clean-and-low-carbon Energy (NICE) for the paper publication in the Clean Energy journal listed in Q1
  • Received a Best Paper Award for the presented paper at ICDCOT-2021 conference held on 25th to 26th June 2021, organized by SJBIT College, Bangalore in Association with Springer
  • Received a Young Scientist Award for the Contribution and Honourable Achievement in Innovative Research from International Research Awards on Science, Health and Engineering SHEN Research Awards 2020 on 29th June 2020
  • Topper in M.Tech

International Conference Papers
  • Savitha, M., Rao, S.N. and Indira, M.S., 2022, February. Assessment of reduced switch count based multistring multilevel inverter with fault tolerance for distributed energy sources. In 2022 IEEE Delhi Section Conference (DELCON) (pp. 1-7). IEEE.
  • Harsha, A.R., Pranupa, S., Kumar, B.K., Rao, S.N. and Indira, M.S., 2020, October. Arduino based V/f drive for a three phase induction motor using single phase supply. In 2020 International Conference on Smart Technologies in Computing, Electrical and Electronics (ICSTCEE) (pp. 90-94). IEEE.
  • Rao, S.N., Veerabhadra and Kumar, P., 2020, October. Performance analysis of Z-source inverter topologies for renewable energy sources and fuel cell applications. In 2020 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER) (pp. 165-170). IEEE.
  • Sulake, N.R., Pranupa, S. and Indira, M.S., 2019, October. Cross connected source based reduced switch count multilevel inverter topology with fault tolerance. In 2019 Global Conference for Advancement in Technology (GCAT) (pp. 1-7). IEEE.
  • Misal, S. and Rao, S.N., 2015, February. Comparative analysis of a 3-phase, 3-level diode clamped ZSI based on modified shoot through PWM techniques. In 2015 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES) (pp. 1-5). IEEE.
  • Rao, S.N., Kumar, D.A. and Babu, C.S., 2013, February. New multilevel inverter topology with reduced number of switches using advanced modulation strategies. In 2013 international conference on power, energy and control (ICPEC) (pp. 693-699). IEEE.
  • Reddy, V.N.B., Rao, S.N. and Babu, C.S., 2013, February. Emphasis of modulated techniques for cascaded multilevel inverters fed drive using FPGA. In 2013 international conference on power, energy and control (ICPEC) (pp. 686-692). IEEE.
  • S.Nagaraja Rao, Ramana Reddy and Manjunatha B.M., 2012, May. Three level Z-Source Inverters using Shoot through PWM Control Techniques. In 2012 international conference on Emerging Trends in Engineering (ICETE-2012) (pp. 686-692). NMAMIT, Nitte, Karnataka, India.
  • Y. Vijaya Suresh, S.Nagaraja Rao and J.N.Reddy, 2010, August. Different Schemes of Matrix Converter with Maximum Voltage Conversion Ratio. In 2010 international conference on Electrical Power and Energy Systems (ICEPES-2010) (pp. 486-492). NIT, Bhopal.
  • J.N. Reddy. S.Nagaraja Rao and Suresh Kumar A, 2010, August. A Multilevel PWM Inverter topology for Neural Network Based Photovoltaic Generating System. In 2010 international conference on Electrical Power and Energy Systems (ICEPES-2010) (pp. 507-512). NIT, Bhopal.
International Journal Papers
  • Veerabhadra, J. and Nagaraja Rao, S., 2023. Comparative assessment of high gain boost converters for renewable energy sources and electrical vehicle applications. Energy Harvesting and Systems, (0).
  • Nagaraja Rao, S., Manjunatha, B.M., Suresh Kumar, A., Kiran Kumar, B.M., Satish Kumar, R. and Pranupa, S., 2023. An assessment of advanced DC-link based reversing voltage type multilevel inverter topologies. International Review of Applied Sciences and Engineering, 14(1), pp.100-113.
  • Savitha, M. and Nagaraja Rao, S., 2022. Switching angle optimization and fault analysis of a multistring-multilevel inverter for renewable-energy-source applications. Clean Energy, 6(6), pp.907-930.
  • Rao, S., Varanasi, P., Anisetty, S. and Manjunatha, B. (2022) Implementation of cascaded H-bridge DC-link inverter for marine electric propulsion drives. Energy Harvesting and Systems. https://doi.org/10.1515/ehs-2022-0049
  • Sriram, A.T. and Nagaraja Rao, S., 2022. Wind energy conversion system using perturb & observe-based maximum power point approach interfaced with T-type three-level inverter connected to grid. Clean Energy, 6(4), pp.534-549.
  • Veerabhadra and Nagaraja Rao, S., 2022. Assessment of high-gain quadratic boost converter with hybrid-based maximum power point tracking technique for solar photovoltaic systems. Clean Energy, 6(4), pp.632-645.
  • Nagaraja Rao, S., Anisetty, S.K., Manjunatha, B.M., Kiran Kumar, B.M., Praveen Kumar, V. and Pranupa, S., 2022. Interleaved high-gain boost converter powered by solar energy using hybrid-based MPP tracking technique. Clean Energy, 6(3), pp.460-475.
  • Kumar, B.K., Rao, S.N. and Indira, M.S., 2022. Analysis of grid-connected reduced switch MLI with high-gain interleaved boost converter and hybrid MPPT for solar PV. International Journal of Energy and Environmental Engineering, 13(4), pp.1287-1307.
  • SULAKE, N.R., Anisetty, S.K., Kolli, S.G., Manjunatha, B.M., Mallikarjuna, N. and Garapati, D.P., 2022. Implementation of Integer Factor based Space Vector PWM through Digital approach for Grid Connected Multilevel Inverters. International Journal of Renewable Energy Research (IJRER), 12(1), pp.349-358.
  • Kiran, K.B., Indira, M.S. and Nagaraja, R., 2021. Mathematical modeling and evaluation of performance characteristics of a hybrid solar PV and wind energy system. Journal of Applied Science and Engineering, 25(4), pp.785-797.
  • Suresh, K.A., Sri, G.K., Nagaraja, R.S., Manjunatha, B.M., Sesi, K.P. and Niteesh, K.K., 2021. Integer factor based SVPWM approach for multilevel inverters with continuous and discontinuous switching sequences. Archives of Electrical Engineering, 70(4).
  • Kiran Kumar, B.M., Indira, M.S. and Nagaraja Rao, S., 2021. Performance analysis of multiple gain boost converter with hybrid maximum power point tracker for solar PV connected to grid. Clean Energy, 5(4), pp.655-672.
  • Lakshminarayanan, S., Kumar, K., Rao, S.N. and Pranupa, S., 2021. Current mode control of single phase grid tie inverter with anti-islanding. International Journal of Power Electronics and Drive Systems, 12(1), pp.241-248.
  • Vishwajith, N., Rao, S.N. and Sachin, S., 2020, December. Performance analysis of reduced switch ladder type multilevel inverter using various modulation control strategies. In Journal of Physics: Conference Series (Vol. 1706, No. 1, p. 012092). IOP Publishing.
  • Rao, S.N., Rohith, H.M. and Kumar, B.K., 2020, December. Reduced switch z-source multilevel inverter using constant boost control methods for renewable energy sources. In Journal of Physics: Conference Series (Vol. 1706, No. 1, p. 012104). IOP Publishing.
  • Manjunatha, B.M., Rao, S.N., Kumar, A.S., Zabeen, K.S., Lakshminarayanan, S. and Reddy, A.V., 2020. An optimized multilevel inverter topology with symmetrical and asymmetrical DC sources for sustainable energy applications. Engineering, Technology & Applied Science Research, 10(3), pp.5719-5723.
  • A. Suresh Kumar, K. Sri Gowri, S. Nagaraja Rao, B.M.Manjunatha, P.Rama Mohan, 2020. A New Three Phase Multilevel Inverter Topology with Symmetrical and Asymmetrical Algorithms. TEST Engineering & Management, 82(1), pp. 8633 - 8644.
  • Kiran Kumar B M, M S Indira, S Nagaraja Rao, 2020. Design and Development of Three DoF Solar Powered Smart Spraying Agricultural Robot. TEST Engineering & Management, 83(2), pp. 5235 - 5242.
  • Sulake, N.R., Devarasetty Venkata, A.K. and Choppavarapu, S.B., 2018. FPGA implementation of a three-level boost converter-fed seven-level dc-link cascade H-bridge inverter for photovoltaic applications. Electronics, 7(11), p.282.
  • Rao, S.N., Ashok Kumar, D.V. and Babu, C., 2018. Grid Connected Distributed Generation System with High Voltage Gain Cascaded DC-DC Converter Fed Asymmetric Multilevel Inverter Topology. International Journal of Electrical & Computer Engineering (2088-8708), 8(6).
  • Rao, S.N., Kumar, D.A. and Babu, C.S., 2018. Integration of reversing voltage multilevel inverter topology with high voltage gain boost converter for distributed generation. International Journal of Power Electronics and Drive Systems, 9(1), p.210.
  • Rao, S.N., Kumar, D.A. and Babu, C.S., 2018. Implementation of cascaded based reversing voltage multilevel inverter using multi carrier modulation strategies. International Journal of Power Electronics and Drive Systems, 9(1), pp.220-230.
  • Rao, S.N., Kumar, D.V. and Babu, C.S., 2018. Implementation of multilevel boost DC-link cascade based reversing voltage inverter for low THD operation. Journal of Electrical Engineering and Technology, 13(4), pp.1528-1538.
  • Pranupa, S. and Kiran Kumar, B., 2018. Three phase diode clamped multilevel DC link inverter with multi reference modulation techniques. Journal of Advanced Research in Dynamical and Control Systems, 10(8), pp.1793-1804.
  • Rao, S.N. and Kumar, V.P., 2018. Comparative analysis of switched capacitor based multilevel inverters with self voltage balancing. Journal of Advanced Research in Dynamical and Control Systems, 10(9), pp.1841-1855.
  • Rao, S.N. Ambresh G. Biradar and Sachin S., 2018. Asymmetric Cascaded Inverter for Photovoltaic Applications Based on Carrier Redistribution Modulation Strategies. International Journal of Engineering &Technology (IJET-UAE), 7(4.24), pp.14-19.
  • Pranupa S, Kiran Kumar B M and S.Nagaraja Rao, 2018. Detection of Rotating Diode Failure Condition & its Protection in Brushless Alternator. International Journal of Engineering &Technology (IJET-UAE), 7(4.24), pp.26-32.
  • Rao, S.N., Kumar, D.A. and Babu, C.S., 2017. Multilevel Inverter Topology for Distributed Generation with High Voltage Gain Cascaded DC-DC Converter. Journal of Advanced Research in Dynamical and Control Systems, 9(1), pp.264-282.
  • Rao, S.N., Kumar, D.A. and Babu, C.S., 2014. PWM control strategies for multilevel inverters based on carrier redistribution technique. International Journal of Engineering & Technology (IJEET), 5(8), pp.119-131.
  • Rao, S.N., Manjunatha, B.M. and Reddy, V.R., 2012. Shoot Through PWM control Strategies for three Level Z source Inverter. International Journal of Systems, Algorithms & Applications, 2(ICRAET12).
  • Rao, S.N., Kumar, A.S. and Navatha, K., 2012. Comparative study on carrier overlapping PWM strategies for three phase five level diode clamped and cascaded inverters. International Journal of Electrical and Electronics Engg.(IJEEE), 1(4), pp.60-65.
  • Reddy, V.N.B., Rao, S.N. and Babu, C.S., 2010. Advanced modulating techniques for multilevel inverters by using FPGA. International Review of Electrical Engineering (IREE), 5(3), pp.842-848.
  • Reddy, V.N.B., Babu, C.S. and Rao, S.N., 2010. Comparison of modulation techniques for multilevel inverter fed permanent magnet synchronous motor. International Journal of Engineering Science and Technology, 2(10), pp.5206-5214.

  • MISTE - Life Member
  • IFERP

  • Filed a Patent on “Design and Development of Hybrid Switching Controller for BLDC Motor Interfaced to Electric Vehicles” (Oms Case No. 001014) Inventors: Anush B.N., Ugra Mohan Roy & S. Nagaraja Rao

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M. S. Ramaiah University of Applied Sciences,

Gnanagangothri Campus

New BEL Road

MSR Nagar, Bangalore - 560054

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