Nana Chang | Power System Protection | Best Researcher Award

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Dr. Nana Chang | Power System Protection | Best Researcher Award

Lecturer, School of Electrical Engineering, Xi’an University of Technology, China

Dr. Nana Chang is a distinguished researcher in electrical engineering, specializing in power system protection and renewable energy integration. She earned her Ph.D. in Electrical Engineering from Xi’an Jiaotong University in 2024, following a Master’s degree from North China Electric Power University and a Bachelor’s from Xi’an University of Technology. Currently serving as a Lecturer at Xi’an University of Technology, Dr. Chang bridges academia and industry through her involvement in several high-impact research projects. Her work addresses critical challenges in modern power systems, including fault protection in multi-voltage DC grids and resilience under extreme conditions. Dr. Chang has contributed to multiple national-level projects funded by the Ministry of Science and Technology and the National Natural Science Foundation of China. She also leads industry-sponsored research, focusing on innovative protection principles for renewable energy-dominated grids.

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Education

Dr. Nana Chang’s academic journey reflects a strong foundation in electrical engineering. She completed her Bachelor of Science in Electrical Engineering and Automation at Xi’an University of Technology in June 2012. Pursuing advanced studies, she obtained a Master of Science in Power System and Automation from North China Electric Power University (Beijing) in April 2015. Her academic pursuit culminated in a Doctor of Philosophy in Electrical Engineering from Xi’an Jiaotong University in September 2024. Her doctoral research focused on innovative protection methods for multi-voltage-level, multi-zone interconnected new energy DC distribution systems, addressing the evolving challenges in modern power systems. This progression showcases her commitment to advancing the field of electrical engineering through rigorous academic training and research.

Experience

Dr. Nana Chang’s professional experience spans both academia and industry, highlighting her expertise in electrical engineering. Since September 2024, she has been serving as a Lecturer at Xi’an University of Technology, where she contributes to the academic development of students and engages in cutting-edge research. Prior to her academic role, Dr. Chang worked at State Grid Xianyang Power Supply Company from August 2015 to June 2019, focusing on the secondary equipment maintenance of substations. This experience provided her with practical insights into power system operations and maintenance, enriching her research perspective. Her dual exposure to theoretical and practical aspects of electrical engineering enables her to bridge the gap between academic concepts and real-world applications effectively.

Research Focus 

Dr. Nana Chang’s research is centered on the protection and resilience of modern power systems, particularly in the context of renewable energy integration. Her doctoral research addressed fault characteristics and protection methods for multi-voltage-level, multi-zone interconnected new energy DC distribution systems, a critical area as the energy sector transitions toward decentralized and renewable sources. She is actively involved in projects funded by the Ministry of Science and Technology and the National Natural Science Foundation of China, focusing on protection strategies for flexible low-frequency transmission systems and resilience technologies for urban energy systems under extreme conditions. Additionally, Dr. Chang leads industry-sponsored research on innovative protection principles for renewable energy-dominated grids. Her work aims to enhance the reliability and stability of power systems amidst the challenges posed by renewable energy sources.

Publication Top Notes

📘1. Phase Current Based Fault Section Location for Single-Phase Grounding Fault in Non-Effectively Grounded Distribution Network

  • Journal: IEEE Transactions on Industry Applications

  • Year: 2025

  • Authors: Zhongxue Chang, Qingyu He, Nana Chang, Weibin Tan, Wei Zhang, Zhihua Zhang, Guobing Song

  • Summary:
    This paper proposes a novel phase current-based method to locate fault sections caused by single-phase grounding in non-effectively grounded distribution networks. The approach enhances fault localization accuracy in complex systems where conventional methods fall short. The solution reduces misjudgment rates and increases system reliability in medium-voltage power networks, especially relevant to regions with high renewable penetration.

📘 2. Adaptive Fault Identification for Multi-Level Relays Using Fault Tree and User-Defined Inverse-Time Characteristics Equation

  • Journal: Electric Power Systems Research

  • Year: September 2025

  • Authors: Nana Chang, Guobing Song, Jiaheng Jiang

  • Summary:
    This study introduces an adaptive method for fault identification in multi-level relay systems. By combining a fault tree analysis framework with user-defined inverse-time characteristics, the method provides more precise fault detection under variable grid configurations. The adaptive behavior supports more intelligent and flexible relay coordination, particularly important for evolving smart grid environments.

📘 3. An Adaptive Coordinated Wide-Area Backup Protection Algorithm for Network Topology Variability

  • Journal: IEEE Transactions on Power Delivery

  • Year: April 2024

  • Authors: Nana Chang, Guobing Song

  • Summary:
    This paper presents a wide-area backup protection algorithm that adapts to real-time changes in power system topology. The method dynamically adjusts coordination parameters based on topology recognition, improving fault response and ensuring system stability in large-scale and reconfigurable grids. It offers significant improvements in response speed and adaptability for modern interconnected systems.

📘 4. Fault Identification Method Based on Unified Inverse-Time Characteristic Equation for Distribution Network

  • Journal: International Journal of Electrical Power & Energy Systems

  • Year: March 2023

  • Authors: Nana Chang, Guobing Song, Junjie Hou, Zhongxue Chang

  • Summary:
    This article introduces a unified fault identification method for distribution networks using a standardized inverse-time characteristic equation. The technique enhances the coordination of protection devices across diverse protection zones. It is particularly suited for high-penetration renewable energy systems, where conventional settings may not provide reliable fault discrimination due to dynamic operating conditions.

Conclusion

Dr. Nana Chang demonstrates strong technical competence, relevance in research areas, and a well-rounded background in academic and industrial projects. Her work directly contributes to critical advancements in power system protection and renewable energy integration, areas vital to modern energy infrastructure.

Jinxu Yang | Power electronics | Best Researcher Award

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Dr. Jinxu Yang | Power electronics | Best Researcher Award

postdoctoral, ZJU-Hangzhou Global Scientific and Technological Innovation Center, China

Jinxu Yang is a Postdoctoral researcher at the ZJU-Hangzhou Global Scientific and Technological Innovation Center in Hangzhou, Zhejiang Province. He completed his bachelor’s degree at Shandong University in 2014 and earned his PhD in Electrical Engineering from Zhejiang University in 2022. With a robust academic foundation, he is at the forefront of power electronics research, particularly focusing on the optimization of high-frequency resonant converters and the design of high-efficiency magnetic components. Throughout his career, he has made notable contributions to both theoretical and applied aspects of power electronics, evidenced by numerous published articles and patents. His work bridges the gap between academia and industry, collaborating on national R&D projects, including those related to high-performance power supplies, energy storage systems, and on-board chargers. Jinxu Yang is recognized for his innovative approach and continues to push the boundaries of power electronics technology.

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Education

Jinxu Yang pursued his higher education in Electrical Engineering, beginning with a bachelor’s degree from Shandong University, which he completed in 2014. During his time at Shandong University, Jinxu laid the groundwork for his deep interest in power electronics. He went on to earn his PhD from Zhejiang University in 2022, where he specialized in the optimization of high-frequency resonant converters and the design of magnetic components. His doctoral research focused on enhancing power electronics systems by addressing critical issues such as size reduction, efficiency improvement, and the mitigation of leakage magnetic fields in magnetic integration. His academic journey was marked by a combination of rigorous theoretical learning and practical research applications, preparing him to become an active contributor to advancements in the field of power electronics. Today, as a postdoctoral researcher, he continues to build on his academic foundation to push forward innovative solutions in this area.

Experience

Jinxu Yang has accumulated significant experience in the field of power electronics, particularly focusing on high-frequency resonant converters and magnetic integration. After completing his PhD at Zhejiang University in 2022, he joined the ZJU-Hangzhou Global Scientific and Technological Innovation Center as a postdoctoral researcher. His involvement in major national R&D projects has allowed him to apply his knowledge to real-world solutions, including projects in server power supplies, on-board chargers (OBC), and household energy storage systems. Additionally, Jinxu’s work spans multiple industry-academia collaborations, such as developing a 600W communication power supply and a 6.6kW OBC power supply. His consultancy experience further expands his impact, advising on high-performance power supply systems. With 13 journal publications, 5 patents, and significant participation in international conferences, his contributions are well recognized in the scientific community. His career reflects a commitment to both innovation and practical, scalable solutions in the power electronics sector.

Research Focus

Jinxu Yang’s research primarily focuses on optimizing high-frequency resonant converters in power electronics, with particular attention to magnetic components and integration techniques. He has made significant advancements in improving the efficiency, size, and performance of power conversion systems, while addressing challenges such as leakage magnetic fields. His work in power electronics spans multiple areas, including topology and control optimization, high-frequency operation, and the design of magnetic components that enhance system efficiency. Through the development of novel integration methods, Jinxu has been able to reduce the size of magnetic components without sacrificing performance, creating solutions that are both compact and highly efficient. Additionally, his research explores advanced control schemes to optimize the operation of power converters, such as zero-voltage switching (ZVS) and soft switching techniques. By focusing on high-frequency resonant converters and their integration with magnetic components, Jinxu is contributing to the evolution of power supply technology, particularly for applications in energy storage, communications, and automotive sectors.

Publications Top Notes

  • A simplified real-time digital control scheme for ZVS four-switch buck–boost with low inductor current
  • External magnetic field minimization for the integrated magnetics in series resonant converter
  • A novel ZVS Control Scheme for Four-Switch Resonance Inverting bidirectional buck-boost DC/DC Converter for 5G-RF Power Amplifier
  • Suppressing methods of common-mode noise in LLC resonant DC-DC converters
  • Modeling and design of integrated inductor and transformer considering superposed flux density in on-board-charger
  • Linearized ZVS control scheme of a resonant four-switch buck-boost DC/DC converter for inverting voltage solution applications
  • Soft switching control for a resonant four-switch inverting buck-boost DC/DC converter with wide voltage range
  • High Density Planar Integrated Magnetics with Two-sided Merged Inductor Windings and Integrated Cores for Resonant DC/DC Converter
  • High Density Planar Integrated Magnetics with Two-sided Merged Inductor Windings and Cores for Resonant DC/DC Converter
  • Analysis and design considerations for an improved BCM buck AC-DC LED driver with high output voltage and low total harmonic distortion

 

 

Ujwala Kshirsagar | Electronics Engineering | Women Researcher Award

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Dr. Ujwala Kshirsagar | Electronics Engineering | Women Researcher Award

Associate Professor, Symbiosis Institute of Technology, Symbiosis International Deemed University, Pune, India

Dr. Ujwala A. Kshirsagar (Belorkar) is a distinguished academic and researcher in the field of Electronics Engineering. With over 20 years of experience, she currently serves as the Head of Academics and Associate Professor at Symbiosis International Deemed University, Pune. Dr. Kshirsagar has also held significant leadership roles as Professor, Vice Principal, Academic Dean, and Head of Department at HVPM’s College of Engineering and Technology, Amravati. A Ph.D. supervisor, she has guided one student to completion and currently supervises five Junior Research Fellows. Her expertise spans VLSI & Semiconductor Technology, Micro & Nano Fabrication, IoT, and Embedded Systems. Dr. Kshirsagar is dedicated to academic excellence and research innovation, mentoring future engineers and fostering a collaborative learning environment. 🌟📚

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Education

Dr. Ujwala A. Kshirsagar holds a Ph.D. in Electronics Engineering from SGB Amravati University (2012). She earned her M.E. in Digital Electronics from the same university in 2004 with a First-Class distinction. She completed her M.Sc. in Applied Electronics (1999) and B.Sc. in Electronics (1990) from SGB Amravati University, also achieving First-Class marks. Dr. Kshirsagar has built a strong foundation in Electronics through consistent academic excellence, from her secondary education to post-graduate studies. Her academic background, combined with extensive practical experience, positions her as a leading educator and researcher in her field. 🎓📖

Research Focus

Dr. Kshirsagar’s research focuses on VLSI & Semiconductor Technology, Micro & Nano Fabrication, Electronic System Design, and Embedded Systems. She is also interested in Digital Communication, Analog & Digital Chip Design, and VHDL/VLSI Programming. Her work explores cutting-edge developments in microelectronics and digital systems, integrating advanced technologies like IoT to create innovative solutions. Dr. Kshirsagar is committed to advancing the field through both theoretical research and practical applications, shaping the future of electronics engineering. Her research also emphasizes improving semiconductor device performance and enabling next-gen technologies in everyday life. 💡🔬

Publications

  1. “Development of High-Efficiency VLSI Circuits for Signal Processing” 🔌
  2. “Nano Fabrication Techniques for Modern Semiconductor Devices” 💻
  3. “IoT-Based Embedded Systems for Real-Time Data Monitoring” 🌐
  4. “Analog and Digital Chip Design Techniques for Energy-Efficient Systems” ⚡
  5. “VHDL Programming for Advanced Digital Circuit Design” 🖥️

Milkias Berhanu Tuka | Electrical Engineering | Best Researcher Award

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Assoc. Prof. Dr. Milkias Berhanu Tuka | Electrical Engineering | Best Researcher Award

Dr, Addis Ababa Science and Technology University, Ethiopia

Milkias Berhanu Tuka (Ph.D.) is an Associate Professor at Addis Ababa Science and Technology University (AASTU) in Ethiopia. With extensive academic and professional experience, he specializes in Electrical and Computer Engineering. Dr. Tuka holds a Ph.D. in Electrical Engineering, with a focus on renewable energy and power systems. He has served in various leadership roles, including as a Special Assistant to the Vice President for Academic Affairs and Associate Head of the Electrical and Computer Engineering Department. Dr. Tuka is a recognized leader in both academia and industry, collaborating internationally with institutions like Otto-von-Guericke University (Germany). His work emphasizes sustainable energy solutions and electrical engineering innovations. 🌍⚡

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Strengths for the Award

  1. Extensive Academic and Research Background: Dr. Milkias Berhanu Tuka demonstrates an impressive academic career with significant contributions in the fields of Electrical Engineering, particularly in power systems, renewable energy, and power electronics. His expertise in renewable energies, electrical machines, power electronics, and drives has led to substantial academic achievements, including publishing numerous papers in Scientific Reports and other reputable journals.
  2. International Collaboration and Recognition: His involvement in international projects and partnerships, such as his research with Otto-von-Guericke University in Germany, highlights his capacity for cross-border collaboration. This is evident from his contributions to research and consultancy in projects like the SASCS for DTH under the Europe-Africa Research and Innovation call on Renewable Energy.
  3. Leadership and Influence in Academia: Dr. Tuka has shown notable leadership within academic institutions. His roles as an Associate Professor, Head of the Electrical and Computer Engineering Department, and his position as the Vice President’s Special Assistant for Academic Affairs at Addis Ababa Science and Technology University (AASTU) showcase his organizational and managerial abilities. These positions highlight his responsibility in steering academic programs, overseeing curriculum developments, and ensuring high standards in teaching and research.
  4. Active Contribution to Research Grants and Projects: He has been actively involved in securing and managing multiple research projects and external grants, such as Solar Power System Design, Wind Energy Forecasting, and Consultancy services for the Ethiopian Water Technology Institute. These projects demonstrate his practical application of research and his capacity to drive forward both theoretical and applied research.
  5. Supervision and Mentorship: Dr. Tuka has contributed to the academic development of numerous students, particularly in the supervision of MSc theses and PhD students, helping them to navigate complex research topics and bringing innovative ideas to the forefront.
  6. Diverse Skills and Certifications: His wide array of skills and certifications, such as the completion of Nanodegree Programs in Data Analysis and Programming Fundamentals, along with his recognition from prestigious institutions (e.g., Mandela Washington Fellowship and Honorary Lifetime Membership to International Davis), shows his commitment to lifelong learning and professional growth.

Areas for Improvement

  1. Broader Publication and Citations Reach: While Dr. Tuka has made significant contributions to journals like Scientific Reports, expanding his impact through more high-visibility, high-impact journals, and achieving higher citation counts could further solidify his position as a global thought leader in his field.
  2. Focus on Multidisciplinary Collaboration: Although his work has had a strong focus on electrical engineering and renewable energy, expanding collaborations across multidisciplinary fields (e.g., integrating AI or machine learning into energy systems) could further diversify his research impact and open up new avenues for groundbreaking studies.
  3. Increased Public Engagement: Engaging in more public-facing activities, such as offering talks at global conferences, media interviews, or even online platforms to discuss renewable energy issues or innovations in power systems, could increase his outreach and influence in shaping global energy policy or practices.
  4. Diversifying Research Funding: While Dr. Tuka has excelled in obtaining research grants, diversifying the sources of funding, particularly from international organizations or the private sector, could support even larger-scale projects and increase the impact of his research.

Education

Dr. Tuka obtained his Ph.D. in Electrical Engineering from Adama Science & Technology University and Otto-von-Guericke University, focusing on power quality in wind energy systems. He holds an MSc in Electrical Engineering with a focus on power systems from Adama Science & Technology University. Additionally, he earned a Bachelor’s degree in Electrical-Electronics Technology. Dr. Tuka’s education combines rigorous theoretical learning with hands-on research, particularly in renewable energy solutions and electrical systems optimization. 🎓🔋

Experience

Dr. Tuka has over 15 years of experience in academia and engineering. He is currently an Associate Professor and Special Assistant at AASTU, where he also serves as the Secretary of the Academic Staff Affairs Committee. Previously, he was an Associate Head of the ECE Department at Adama Science and Technology University (ASTU) and a power expert for the ASTU-Mekele University Joint Venture on the Adama-II Wind Power Project. Dr. Tuka has also held leadership roles in various educational projects and is a consultant for renewable energy and power systems. ⚙️🌞

Awards and Honors

Dr. Tuka has received numerous accolades throughout his career, including an Honorary Lifetime Membership from International Davis, U.S., and recognition for his professional contributions to the Department of Electrical and Computer Engineering at ASTU. He is also an awardee of the Mandela Washington Fellowship and has participated in prestigious training programs like the Enel Foundation’s Micro-grid Academy and Open Africa Power. 🏅🌍

Research Focus

Dr. Tuka’s research centers on renewable energy, power systems, electrical machines, and power electronics. His work focuses on optimizing renewable energy integration into the power grid, improving power quality, and designing sustainable energy solutions. Current projects include wind energy forecasting using deep learning, solar power systems, and smart grid technologies. His research aims to provide innovative solutions for energy challenges in Africa and beyond, contributing to the global energy transition. 🌿🔌

Publication Top Notes

  1. A comparative ensemble approach to bedload prediction using metaheuristic machine learning 🌍📊
  2. Design and performance evaluation of a multi-load and multi-source DC-DC converter for electric vehicle systems ⚡🚗
  3. Cable dimension determination using Finite Element Method for gas insulated cables ⚡🔧
  4. Hybrid modeling approach for precise energy estimation based on temperature variations 🌞📐
  5. Maiden application of optimization for load frequency control in microgrids with renewables ⚡🔋
  6. Design of a universal converter for microgrid applications using dynamic programming 🌍🔄
  7. Lyapunov-based neural network model predictive control for energy systems ⚙️🌐
  8. High-efficiency poly-input boost converter for energy storage and EV applications 🔋🚙
  9. Robust load-frequency control for islanded microgrids using 1PD-PID controllers ⚡🔧
  10. Techno-economic analysis of hybrid renewable energy solutions in Cameroon ⚡🌍

Conclusion

Dr. Milkias Berhanu Tuka is undoubtedly a strong candidate for the Best Researcher Award. His academic credentials, research expertise, and leadership in both academia and various research projects highlight his significant contributions to the field of Electrical Engineering. His publications, international collaborations, and impact on both education and research underscore his excellence. With his dedication to innovation and research excellence, Dr. Tuka’s future contributions will likely continue to have a profound impact on the academic community, particularly in renewable energy and power systems, making him a highly deserving candidate for this award. To further enhance his global influence, focusing on broader publication reach, fostering interdisciplinary research, and engaging more publicly would help him elevate his already impressive career.