BOOK CHAPTERS

1. A. Dekka, V. Yaramasu, R. L. Fuentes and D. Ronanki,"Modular Multilevel Converters", in Multilevel Converters, Elsevier Inc. (Academic Press).
2. A. Dekka, V. Yaramasu, R. L. Fuentes and D. Ronanki, "Model Predictive Control of Modular Multilevel Converters", in Multilevel Converters, Elsevier Inc. (Academic press).
3. D. Ronanki, D. Yaswanth and S. S. Williamson, "Power Electronics-Based Solutions for Supercapacitors in Electric Vehicles", in Emerging Converters for Renewable Energy and Electric Vehicles: Modelling, Design and Control, CRC Press (Taylor and Francis) (In Press).
4. D. Ronanki, P. H. Sang and S. S. Williamson, "Power Electronics for Wireless Charging of Future Electric Vehicles", in Emerging Converters for Renewable Energy and Electric Vehicles: Modelling, Design and Control, CRC Press (Taylor and Francis) (In Press).

JOURNAL PUBLICATIONS

1. D. Ronanki, Y. Dasari and S. S. Williamson, "Comparative Assessment of Supercapacitor Bank Switching Techniques for Constant Resistance, Constant Current and Constant Power Applications," IET Electric Power Applications, Accepted. (SCI-Indexed Journal, Impact factor: 3.051).
2. S. Kundu, S. Banerjee, D. Ronanki, S. S. Williamson, "Meeting IEC and ER G4/5 Harmonic Standards in Nine-level Cascaded H-bridge Inverters using an Improved SHM-PAM Scheme," IET Power Electronics, Accepted. (SCI-Indexed Journal, Impact factor: 2.839).
3. D. Ronanki, and S. S. Williamson, "Discontinuous Space Vector Modulation Schemes for Modular Multilevel Converters," IEEE Trans. Power Electronics, (Early Access), doi: 10.1109/TPEL.2020.301901. (SCI-Indexed Journal, Impact factor: 6.373)
4. P. S. Huynh, D. Ronanki, D. Vincent, and S. S. Williamson, "Direct AC-AC Active-Clamped Half-Bridge Converter for Inductive Charging Applications," IEEE Trans. Power Electronics, vol. 36, no. 2, pp. 1356-1365, Feb. 2021 (SCI-Indexed Journal, Impact factor: 6.373)
5. D. Ronanki, and S. S. Williamson, "Submodule Power Balancing Control of Modular Multilevel Converters under Capacitor Degradation," IET Power Electronics, vol. 13, no. 14, pp. 3032-3043, 2020 (SCI-Indexed Journal, Impact factor: 2.839).
6. D. Ronanki, and S. S. Williamson, "A Novel 2N+1 Carrier-Based Pulse Width Modulation Scheme for Modular Multilevel Converters with Reduced Control Complexity," IEEE Trans. Industry Applications, vol. 56, no. 5, pp. 5593-5602, Sept.-Oct. 2020 (SCI-Indexed Journal, Impact factor: 3.488).
7. Y. Dasari, D. Ronanki, and S. S. Williamson, "A Simple Three-level Switching Architecture to Enhance the Power Delivery Duration of Supercapacitor Banks in Electrified Transportation," IEEE Trans. Transportation Electrification, vol. 6, no. 3, pp. 1003-1012, Sept. 2020 (SCI-Indexed Journal, Impact factor: 5.444).
8. P. S. Huynh, D. Ronanki, D. Vincent and S. S. Williamson, "Overview and Comparative Assessment of Single-Phase Power Converter Topologies of Inductive Wireless Charging Systems," MDPI-Energies, vol. 13, no. 9, pp. 2150, May 2020. (SCI-Indexed Journal, Impact factor: 2.707).
9. D. Ronanki, and S. S. Williamson, "Failure Prediction of Submodule Capacitors in Modular Multilevel Converter by Monitoring the Intrinsic Capacitor Voltage Fluctuations," IEEE Trans. Industrial Electronics, vol. 67, no. 4, pp. 2585-2594, April 2020. (SCI-Indexed Journal, Impact factor: 7.515).
10. K. R. Reddy, D. Ronanki, and P. Parthiban, "Efficiency Improvement of Four-Phase Switched Reluctance Motor Drive using New Direct Torque Control Strategy," IET Electric Applications, vol. 14, no. 1, pp. 52-61, Jan. 2020. (SCI-Indexed Journal, Impact factor: 3.051).
11. D. Ronanki and S. S. Williamson, "New modulation scheme and voltage balancing control of modular multilevel converters for modern electric ships," IET Power Electronics, vol. 12, no. 13, pp. 3403-3410, Nov. 2019. (SCI-Indexed Journal, Impact factor: 2.839).
12. D. Ronanki, A. Kelkar and S. S. Williamson, "Extreme Fast Charging Technology–Prospects to Enhance Sustainable Electric Transportation," MDPI-Energies, vol. 12, no. 19, pp. 3721, Sept. 2019. (SCI-Indexed Journal, Impact factor: 2.707).
13. D. Ronanki and S. S. Williamson, "Device Loading and Reliability Analysis of Modular Multilevel Converters With Circulating Current Control and Common-Mode Voltage Injection," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 7, no. 3, pp. 1815-1823, Sept. 2019. (SCI-Indexed Journal, Impact factor: 4.728).
14. P. K. Reddy, D. Ronanki and P. Parthiban, "Direct torque and flux control of switched reluctance motor with enhanced torque per ampere ratio and torque ripple reduction," IET Electronics Letters,vol. 50, no. 8, pp. 477-478, May. 2019 (SCI-Indexed Journal, Impact factor: 1.343).
15. D. Ronanki and S. S. Williamson, "A Simplified Space Vector Pulse Width Modulation Implementation in Modular Multilevel Converters for Electric Ship Propulsion Systems," IEEE Trans. on Transportation Electrification, vol. 5, no. 1, pp. 335-342, Mar. 2019. (SCI-Indexed Journal, Impact factor: 5.444).
16. D. Ronanki and S. S. Williamson, "Modular Multilevel Converters for Transportation Electrification: Challenges and Opportunities," IEEE Trans. on Transportation Electrification, vol. 4, no. 2, pp. 399-407, June 2018. (SCI-Indexed Journal, Impact factor: 5.444).
17. D. Ronanki and S. S. Williamson, "Evolution of Power Converter Topologies and Technical Considerations of Power Electronic Transformer-Based Rolling Stock Architectures," IEEE Trans. on Transportation Electrification, vol. 4, no. 1, pp. 211-219, March 2018. (SCI-Indexed Journal, Impact factor: 5.444).
18. D. Ronanki, S. A. Singh, and S. S. Williamson. "Comprehensive Topological Overview of Rolling Stock Architectures and Recent Trends in Electric Railway Traction Systems," IEEE Trans. on Transportation Electrification, vol. 3, no. 3, pp. 724-738, May 2017 (SCI-Indexed Journal, Impact factor: 5.444).
19. P. Perumal, D. Ronanki, and K. Banagar, "A Fixed Frequency Duty-Ratio Based Digital Sliding–Mode Controller for DC–DC Buck Converter," International Journal of Low Power Electronics, American Scientific Publishers, vol 14, no. 1, pp. 67–77, Mar. 2018.

CONFERENCE PUBLICATIONS

1. D. Ronanki, A. Dekka, P. Parthiban and A. R. Beig, "Comprehensive Evaluation of Phase Current Reconstruction Strategies for Four-Phase Switched Reluctance Motor Drives," in Proc. IEEE IAS Annual Meeting, Detroit, Michigan, USA, 2020 (Accepted/Presented).
2. D. Ronanki, A. Dekka, P. Parthiban and A. R. Beig, "Direct Instantaneous Torque Control of Five-Phase Segmented Switched Reluctance Motor with Bipolar Excitation for In-wheel Electric Vehicles," in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020, pp. 5341-5346.
3. P. S. Huynh, D. Ronanki, and S. S. Williamson, "A New Inductive Power Transfer System using Direct AC/AC Active-Clamped Half-Bridge Converter with Predictive Dead-beat Grid Current Control," in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020, pp. 5155-5161.
4. Y. Dasari, D. Ronanki, and S. S. Williamson, "Power Management of Supercapacitors using Auxiliary Switching Approach in HESS applications," in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020, pp. 582-587.
5. Y. Dasari, D. Ronanki, and S. S. Williamson, "Novel Bank Switching of Supercapacitors with Enhanced Energy Utilization for Electric Vehicular Applications," in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, USA, 2020, pp. 484-488
6. A. Dekka, D. Ronanki, K. R. Reddy, P. Parthiban and A. R. Beig, "Modified Direct Torque and Flux Control of Switched Reluctance Motor Drive with Reduced Source Current Ripple for Vehicular Applications," in Proc. IEEE Applied Power Electronics Conference and Exposition (APEC), New Orleans, LA, USA, 2020, pp. 2920-2925.
7. D. Ronanki and S. S. Williamson, "Analysis and Control of Modular Multilevel Converters through Discontinuous Modulation," in Proc. IEEE Applied Power Electronics Conference and Exposition (APEC), New Orleans, LA, USA, 2020, pp. 780-785.
8. D. Ronanki and S. S. Williamson, "Closed Loop Energy Balancing Control of Modular Multilevel Converters Under Capacitor Degradation," in Proc. IECON 2019–45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal, 2019, pp. 6090-6095.
9. M. S. Sidhu, D. Ronanki and S. S. Williamson, "State of Charge Estimation of Lithium-ion Batteries using Hybrid Machine Learning Technique," in Proc. IECON2019–45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal, 2019, pp. 2732-2737.
10. D. Ronanki and S. S. Williamson, "Thermal Loading and Analysis of Modular Multilevel Converters Using Injection Control of Circulating Current and Common-mode Voltage," in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA, 2019, pp. 4808-4815.
11. K. R. Reddy, D. Ronanki, P. Parthiban, A. R. Beig and S. S. Williamson, "Torque Ripple Minimization of Four-Phase Switched Reluctance Motor Using Direct Torque Control with an Innovative Switching Sequence Scheme," in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA, 2019, pp. 1810-1815.
12. D. Ronanki and S. S. Williamson, "Capacitance Estimation in Modular Multilevel Converters under Nearest Level Modulation Scheme," in Proc. 28th IEEE International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada, 2019, pp. 2371-2376.
13. M. S. Sidhu, D. Ronanki and S. S. Williamson, "Hybrid State of Charge Estimation Approach for Lithium-ion Batteries using k-Nearest Neighbour and Gaussian Filter-based Error Cancellation," in Proc. 28th IEEE International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada, 2019, pp. 1506-1511.
14. K. R. Reddy, D. Ronanki, P. Parthiban, and S. S. Williamson, "New Direct Torque and Flux Control with Improved Torque per Ampere for Switched Reluctance Motor," in Proc. IEEE International Electric Machines & Drives Conference (IEMDC), San Diego, CA, May 2019.
15. D. Ronanki and S. S. Williamson, "A Novel 2N+1 Carrier-Based Pulse Width Modulation Scheme for Modular Multilevel Converters with Reduced Control Complexity," in Proc. IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, 2019, pp. 908–915.
16. D. Ronanki and S. S.Williamson, "Quasi-Online Low-Frequency Impedance Monitoring Scheme for Submodule Capacitors in Modular Multilevel Converters," in Proc. IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, 2019, pp. 83–90.
17. D. Ronanki and S. S. Williamson, "Device Loading of a Modular Multilevel Converter with Flying Capacitor Submodules," in Proc. IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1–6.
18. D. Ronanki and S. S. Williamson, "Single Carrier-Based Pulse Width Modulator for Modular Multilevel Converters," in Proc. IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1–6.
19. D. Ronanki and S. S. Williamson, "Health Monitoring Scheme for Submodule Capacitors in Modular Multilevel Converter Utilizing Capacitor Voltage Fluctuations," in Proc. 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, DC, 2018, pp. 2068–2073.
20. D. Ronanki and S. S. Williamson, "Pseudo Derivative Feedback Circulating Current Suppression Controller for Modular Multilevel Converter with Flying Capacitor Submodules," in Proc. 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, DC, 2018, pp. 3985–3990.
21. D. Ronanki and S. S. Williamson, "Voltage Ripple Minimization in Modular Multilevel Converters using Modified Rotative PWM Scheme," in Proc. IEEE AEIT International Annual Conference, Bari, 2018, pp. 1–6.
22. D. Ronanki and S. S. Williamson, "Topological Overview on Solid-state Transformer Traction Technology in High-speed Trains," in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Long Beach, CA, 2018, pp. 32–37.
23. D. Ronanki and S. S. Williamson, "High-performance Integrated Modulation Scheme for Modular Multilevel Converters," in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Long Beach, CA, 2018
24. D. Ronanki and S. S. Williamson, "Modified Phase-disposition PWM Technique for Modular Multilevel Converters," in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Long Beach, CA, 2018, pp. 26–31.
25. D. Ronanki and S. S. Williamson, "Generalized SVPWM-based capacitor voltage balancing for modular multilevel converters," in Proc. IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG 2018), Doha, 2018, pp. 1–6.
26. D. Ronanki, N. A. Azeez, L. Patnaik and S. S. Williamson, "Hybrid multi-carrier PWM technique with computationally efficient voltage balancing algorithm for modular multilevel converter," in Proc. IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES), Hamilton, 2018.
27. D. Ronanki, P. H. Sang, V. Sood and S. S. Williamson, "Comparative assessment of three-phase transformerless grid-connected solar inverters," in Proc. IEEE International Conference on Industrial Technology (ICIT), Toronto, ON, 2017, pp. 66–71.
28. D. Ronanki and S. S. Williamson, "Comparative analysis of DITC and DTFC of switched reluctance motor for EV applications," in Proc. IEEE International Conference on Industrial Technology (ICIT), Toronto, ON, 2017
29. P. Perumal and D. Ronanki, "Design methodology and sensorless control of electric propulsion system using DTC-SVM," in Proc. IEEE Region 10 Conference (TENCON), Penang, 2017, pp. 1195-1200.
30. D. Ronanki and P. Perumal, "A SVPWM for reduction in common mode and bearing currents applied to diode clamped three-level inverter fed induction motor," in Proc. IEEE International Power Electronics and Motion Control Conference (PEMC), Varna, 2016, pp. 1170–1175.
31. D. Ronanki and P. Perumal, "A Small 4-wheeler EV Propulsion System using DTC Controlled Induction Motor," in Proceedings of the World Congress on Engineering 2013, July 3–5, 2013, London, U.K.
32. D. Ronanki, K. Rajesh and P. Perumal, "Simulation of SVPWM based FOC of CSI fed induction motor drive," in Proc. IEEE Students Conference on Engineering and Systems, Uttar Pradesh, India, 2012, pp. 1–6.
33. D. Ronanki and P. Perumal, "PV-Battery Powered Direct Torque Controlled Switched Reluctance Motor Drive," in Proc. IEEE Asia-Pacific Power and Energy Engineering Conference, Shanghai, 2012, pp. 1–4.

INDUSTRY TECHNICAL REPORTS

1. D. Ronanki, R. Menon, N. A. Azeez and S. S. Williamson, "Field Oriented Control of Multilevel Converter Fed Induction Motor Drive under Drive Cycles," for D & V Electronics, Canada, Jan. 2018.
2. D. Ronanki, R. Menon, N. A. Azeez and S. S. Williamson, "Modeling, Simulation and Analysis of Varied Power Transmission and Traction Drive Systems for Electric Vehicles," for InMotive Gear Inc., Canada, Feb. 2017