معرفی
Jiahong Liu is a Research Fellow at Aalborg University's Faculty of Engineering and Science within the Applied Power Electronic Systems group at AAU Energy. His research focuses on power electronics reliability, specializing in condition monitoring and fault diagnosis of power converters and semiconductor devices for renewable energy and electric vehicle applications. Based in Aalborg Øst, Denmark, he contributes to advancing robust power electronic system design through innovative monitoring techniques.
Liu's research spans silicon carbide (SiC) MOSFET reliability, gate oxide degradation monitoring, DC-link capacitor condition assessment, and fault diagnosis in grid-tied inverters. His work addresses critical challenges in power semiconductor devices, metallized film capacitors, and photovoltaic system integration, with strong emphasis on real-time monitoring solutions for improving system longevity and safety. Key technical areas include short-circuit protection mechanisms and strain sensing during component degradation.
Analysis of his 2024-2025 publications reveals a concentrated focus on real-time monitoring methodologies across power electronics domains. His research demonstrates interdisciplinary convergence of semiconductor physics, power converter design, and signal processing to solve reliability challenges in renewable energy systems and electric vehicle traction inverters. Notable trends include gate voltage filtering techniques for SiC MOSFETs, start-up process-based capacitor monitoring, and system-level fault diagnosis frameworks.
No scientific awards were documented in the provided information.
Liu serves as Principal Investigator for the PhD project "Short Circuit Protection and Condition Monitoring of SiC MOSFETs in Power Converters" (2021-2024), supervised by Prof. Huai Wang. This research initiative addresses fundamental reliability issues in silicon carbide power devices through experimental validation and theoretical modeling, generating multiple high-impact publications in IEEE journals and conferences.
He operates within AAU Energy's Applied Power Electronic Systems group, part of the Center of Reliable Power Electronics (CORPE). This research environment specializes in power converter reliability testing, condition monitoring algorithm development, and failure mechanism analysis, with strong industry connections in renewable energy and automotive sectors.
