Assoc. Prof. Dr. Yizhen wang - Power system stability and control - Best Researcher Award

Tianjin University - China

Author Profile

🎓 Early academic pursuits

Yizhen wang began his academic journey with a strong foundation in electrical engineering. he earned his bachelor's degree from tianjin university in 2010, followed by a master’s degree from the china electric power research institute (cepri) in 2013. determined to deepen his expertise, he pursued a ph.d. at tsinghua university, where he specialized in power system stability and control. his doctoral research laid the groundwork for his future innovations, focusing on the challenges of modern power systems, particularly in maintaining stability and optimizing performance in high-voltage dc (hvdc) networks.

🚀 Professional endeavors

Since 2020, yizhen wang has served as an associate professor at the school of electrical engineering and automation, tianjin university. his work has been instrumental in shaping the field of power system protection and hvdc transmission. his expertise spans various critical areas, including power system stability analysis, voltage source converter (vsc)-hvdc systems, and multi-terminal dc networks. by leading multiple national research projects, he has contributed significantly to enhancing the resilience and efficiency of modern power grids, ensuring stable and reliable electricity transmission in increasingly complex energy networks.

🧐 Contributions and research focus

Yizhen wang’s research is centered on stability control and dc fault ride-through technology for multi-terminal vsc-hvdc systems. his work focuses on three primary aspects: developing a reduced-order small-signal stability model, designing an efficient control system, and formulating an advanced dc fault ride-through strategy. through these innovations, he has provided Power system stability and control valuable solutions to critical challenges in integrating offshore wind power into hvdc networks. his research has strengthened grid stability by optimizing control mechanisms and developing new methodologies for power system protection.

🏆 Accolades and recognition

As a leading researcher in power system engineering, yizhen wang has gained significant recognition for his contributions. he has successfully led two projects funded by the national natural science foundation of china (nsfc), along with three sub-projects under national key research initiatives. his work has also been supported by the china postdoctoral science foundation. his Power system stability and control research output includes 36 sci-indexed publications, with 21 papers authored as either the first or corresponding author. one of his papers has been recognized as an esi highly cited paper, demonstrating the impact of his findings, which have been cited 553 times by other researchers.

👨‍💻 Impact and influence

Yizhen wang’s research has made a profound impact on the field of power system stability and protection. his innovative control strategies and stability models have been adopted in the development of next-generation hvdc networks, particularly for offshore wind power integration. his contributions have influenced the way power grids operate under fluctuating energy Power system stability and control demands and renewable energy sources. through his work, he has helped bridge the gap between theoretical advancements and practical implementation, ensuring that power networks remain efficient, stable, and resilient against disturbances.

🌍 Legacy and future contributions

Looking ahead, yizhen wang aims to further enhance the efficiency and reliability of power systems by integrating artificial intelligence with hvdc control strategies. he is committed to advancing research in multi-spatio-temporal coupling mechanisms and wide-area coordinated control in modern power networks. by mentoring young engineers and collaborating with international researchers, he continues to pave the way for new breakthroughs in power system engineering. his legacy will be defined by his relentless pursuit of innovation, shaping the future of electrical power transmission and ensuring sustainable energy solutions for generations to come.

Notable Publications

Title: A Mode-switching Strategy of Droop Control for VSC-MTDC Systems Considering Maximum DC Voltage Regulation Capability
Author(s): Wang, Y.; Qiu, F.; Wang, Z.; Ji, Y.; Chen, Z.; Wang, C.
Journal: CSEE Journal of Power and Energy Systems
Title: A Novel Optimal Configuration Method of Energy Storage System for Offshore Isolated Grid
Author(s): Pei, A.; Huang, C.; Li, G.; Dong, F.; Li, J.; Wang, Y.
Journal: IEEE Power and Energy Society General Meeting
Title: An Improved AC-Link Voltage Matching Control for the Multiport Modular Multilevel DC Transformer in MVDC Applications
Author(s): Chen, Y.; Yu, S.; Wang, Y.; Yang, R.; Cheng, X.
Journal: Energies
Title: Analysis and Control of DC Voltage Dynamics Based on a Practical Reduced-Order Model of Droop-Controlled VSC-MTDC System in DC Voltage Control Timescale
Author(s): Wang, Y.; Wang, Z.; Lei, M.; Qiu, F.
Journal: IEEE Transactions on Power Delivery
Title: Low-voltage DC building distribution and utilization system and its implementation in China southern grid
Author(s): Guo, P.; Zhang, X.-Y.; Yuan, Z.; Zhao, Y.; Wang, Y.; Liu, G.; Man, J.; Wang, Y.; Jiang, Z.; Xiang, M. et al.
Journal: IET Renewable Power Generation

Early academic pursuits 🎓

Shekha Rai's academic journey began with his schooling at Donbosco High School and Kendriya Vidyalaya ONGC, Jorhat, where he achieved impressive academic results. His passion for electrical engineering led him to pursue a Bachelor of Technology (B.Tech.) in Electrical Engineering from Jorhat Engineering College, where he ranked second in his class with a percentage of 74.10%. This laid the foundation for his future endeavors in power systems. He went on to earn a Doctor of Philosophy (Ph.D.) in Power Systems from the Indian Institute of Technology (IIT) Guwahati, with a focus on "Robust estimation of low-frequency modes for on-line stability monitoring of power systems," under the guidance of Dr. Praveen Tripathy and Dr. Sisir Kumar Nayak. His work at IIT Guwahati earned him a CGPA of 8.83, marking a significant academic achievement in the field of electrical engineering.

Professional endeavors 🏫

Dr. Shekha Rai’s professional career spans several prestigious academic institutions in India. He has served as an Assistant Professor at the Department of Electrical Engineering at NIT Rourkela since March 2020, where he continues to inspire and educate the next generation of engineers. Prior to this, he held assistant professor positions at Jorhat Engineering College and NIT Nagaland, gaining valuable teaching experience. His work across these institutions has made significant contributions to the development of students and research in the field of electrical engineering and power systems.

Contributions and research focus 🔬

Dr. Rai’s research is deeply focused on power systems, particularly in the areas of wide-area monitoring and control, as well as power system dynamics and stability. His doctoral research centered on robust methods for real-time monitoring of power system stability using low-frequency modes. By developing innovative Power system techniques for on-line stability monitoring, he has contributed to improving the reliability and security of power grids. Dr. Rai’s work continues to push the boundaries of power system analysis, contributing to enhanced grid stability and control systems, which are vital in today's increasingly complex energy landscape.

Accolades and recognition 🏅

Dr. Shekha Rai has earned recognition for his outstanding research and teaching in the field of electrical engineering. His academic excellence, evident from his high Power system CGPA during his Ph.D. and his first-class B.Tech. achievements, reflects his commitment to the field. Furthermore, his research contributions have been well-regarded by his peers and have led to collaborations with prominent institutions. His roles as a mentor and educator at top engineering colleges, including NIT Rourkela, NIT Nagaland, and Jorhat Engineering College, have further solidified his position as a respected academic in the field.

Impact and influence 🌍

Dr. Rai’s work has had a significant impact on the power systems domain, particularly in the area of stability and monitoring. His research plays a crucial role in Power system ensuring the safe and efficient operation of electrical grids, especially in large, interconnected systems. His contributions have influenced both academic research and practical applications, particularly in grid management and stability monitoring. Through his innovative techniques, Dr. Rai has helped advance the understanding and control of power systems, with broad implications for national and global energy infrastructure.

Legacy and future contributions 🔮

As a passionate educator and researcher, Dr. Shekha Rai is laying the groundwork for a lasting legacy in the field of power systems. His contributions to the advancement of stability monitoring techniques will continue to shape the future of power system operations and research. Moving forward, he is poised to explore new frontiers in energy systems, particularly in the integration of renewable energy sources and the optimization of grid stability. His future work promises to address the emerging challenges in power systems, making a profound impact on energy efficiency and sustainability for generations to come.

Notable Publications

Title: Using sparsity to estimate oscillatory mode from ambient data
Authors: S. Rai, P. Tripathy, S.K. Nayak
Journal: Sādhanā, 44(4), 90 (2019)
Title: A robust WKNN-TLS-ESPRIT algorithm for identification of electromechanical oscillation modes utilizing WAMS
Author: S. Rai
Journal: Sādhanā, 45(1), 265 (2020)
Title: A nonlinear filtering technique along with RD and TLS-ESPRIT for mode identification of ambient data
Authors: S. Rai, S.K. Nayak, P. Tripathy
Conference: 2015 Annual IEEE India Conference (INDICON), 1-6 (2015)
Title: Model order estimation for low-frequency oscillations in power systems by an advanced K-mean clustering approach
Authors: M. Sahoo, J. Sandeep, S. Rai
Journal: Electric Power Systems Research, 224, 109676 (2023)
Title: A K-Medoids-LSTM Based Technique for Electromechanical Modes Identification for Synchrophasor Applications
Authors: M. Sahoo, A. Roy, S. Rai
Conference: 2023 International Conference on Power, Instrumentation, Control and … (2023)