Materials are the heart of engineering systems. Sustainable power grid involves adopting a diversified power generation platform, incorporating wind, solar, and wave energy sources, utilizes submarine cables and direct current transmission and distribution equipment to transfer power energy to the focal points of burden, whose stability heavily depends on the reliability of the power equipment especially the dielectric materials at each key node. In recent years, severe power accidents induced by limited material properties occur frequently, especially in the frontier fields of gas-insulated transmission equipment, UHV converter station, underground power station, energy storage station and so on. As a result, the research and development of high--performance dielectric materials are closely linked to the secure of future power grids.
With the advancement of computer technology and the cross-integration of disciplines as chemical engineering, polymer materials, condense physics, and electrical engineering, novel methodologies and technologies are continuously emerging. Specific progress is demonstrated in research areas such as the substitution of SF6 with eco-friendly gases, measurement/diagnose for new-type composite materials, multiscale simulation, machine learning, and the intelligent manufacturing. Therefore, this session aims to provide a communication platform for researchers, scientists, and engineers to share their cutting-edge discoveries related to high-performance insulating materials, and will foster knowledge exchange and promote further advancements in this field.
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Masahiro Sato received the B.S., M.S., and Ph. D degrees in electrical engineering from the University of Tokyo in 2012, 2014 and 2017, respectively. He is currently an Associate Professor with the High Voltage Engineering Laboratory University of Tokyo. Recently, he has started to apply physics-based data-driven approaches to study the electrical properties of dielectrics. He has published more than 40 SCI papers such as NPJ Comput Mater, Appl Phys Lett, J Phys Chem C, Phys Rev A, J Phys D, J Appl Phys, Plasma Sources Sci T, IEEE DEI and so on. His research interests include insulation of power modules, photocatalytic water splitting, and first-principle-based modeling of high-field phenomena in dielectrics.
Kumada Akiko received the B.S., M.S., and Ph.D. degrees in electrical engineering from the University of Tokyo in 1994, 1996, and 1999, respectively. She began the career as a researcher at the Institute of Electric Power Technology in 2001 and later joined the University of Tokyo in 2003. Currently, she holds the positions of Professor at the University of Tokyo, Vice Dean in the School of Engineering, and leader of the High Voltage Engineering Laboratory. She is also a Senior Member of IEEE and the Editor of the IEEE TDEI journal. Prof. Kumada's research focuses on high-voltage insulation and current interruption technology for the development of high-voltage DC transmission networks and the upgrading of existing AC transmission networks. Her team uses optical technology for discharge measurement, information technology for simulation, and even chemistry to elucidate the properties of insulating materials and to design new materials. She maintains close collaborative relationships with esteemed entities, including Tokyo Electric Power, JR, Toshiba, Mitsubishi, Sumitomo, Fuji Electric, NEDO, JAXA, as well as research institutions such as Tokyo City University, Saitama University, Yokohama National University, and the Central Research Institute of Electric Power Industry.
Takahiro Umemoto is currently a Project Associate Professor with the High Voltage Engineering Laboratory, University of Tokyo. His research focuses on achieving carbon neutrality and the intelligentization of electrical equipment. He develops low environmental impact materials and devices to broaden their application prospects in power grid, promoting the development of technologies such as high-voltage direct current transmission, airborne power systems, and equipment condition monitoring.
Haoou Ruan received the B.S., M.S., and Ph. D degrees in electrical engineering from North China Electric Power University in 2013, 2019 and 2023, respectively. He is currently a JSPS Research Fellow with the High Voltage Engineering Laboratory, University of Tokyo, financed by Japan Society of Promotion of Science and under the guidance of Prof. Kumada. He has published 27 SCI papers such as Compos Sci Technol, Compos Part A, High Volt, J Phys D, IEEE DEI etc. His research interests focused on measurement, modification and modeling for polymeric dielectric materials.