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X-WR-CALDESC:Events for Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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DTSTART:20220101T000000
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DTSTART;VALUE=DATE:20230829
DTEND;VALUE=DATE:20230830
DTSTAMP:20260515T212454
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SUMMARY:Seminar - From Device to System –  can we design power converters without physical boundaries?
DESCRIPTION:From electric vehicles to ICT equipment\, every Watt consumed is converted and controlled by power converters several times from the end to end. It is pivotal for energy saving and decarbonisation that power converters achieve high efficiency\, high reliability\, low cost\, and miniaturization. We will demonstrate a new design paradigm for power converter systems by means of structural and functional integration. Instead of the unilateral serial design process using available components\, we will cohesively design the power device\, packaging\, and control of a power converter. Applications and working progress on integrating the control and packaging design will be given in this talk as well as new magnetic components design. Using printed circuit board (PCB) to replace bonding wires\, new Silicon Carbide (SiC) power device packaging design will be discussed in terms of electromagnetic and thermomechanical performance. A new switching method using the intrinsic electroluminescence of power MOSFETs will demonstrate a self-adaptive zero voltage switching (ZVS) approach. This progress will lead to the final fully integrated and intelligent power converter design we aim to achieve in the foreseeable future. \nBiography of the speaker: \nProf Teng Long has been appointed Lecturer at the University of Cambridge in 2016 then Associate Professor in 2021 and Full Professor (Professor of Power Electronics) in 2022. He established the Advanced Power Electronics Laboratory (The Long Group) in the Department of Engineering and he is currently leading a research team comprised of 3 Postdoctoral Research Associates and 7 PhD students. His research portfolio covers from power electronic devices to power converters to drive and power systems\, mainly for transport electrification and renewable energy applications. Since 2017\, Prof Long has been awarded more than £3 million research grants where half are funded by the UK government and the rest directly from industrial sponsors. Prof Long has built strong connections with industrial partners including the SAIC Motor\, Dynex Semiconductor\, STMicroelectronics\, Siemens\, CBMM\, NIO\, CRRC\, Wuxi SES. \nPrior to joining Cambridge\, he has worked for General Electric (GE) where he has led or played an important role in many rewarding projects such as the first transformer-less all electric oil-platform supply vessel\, the first large scale all electric warship (Type 45 Destroyer)\, and the first electromagnetic aircraft catapult demonstrator. Prof Long established the EPIC Tech Ltd\, a start-up company specializing high density power modules. Since inception\, the company has raised several tens of million RMB venture capital and launched a few products. \nTo date\, Prof Long has more than 80 academic papers published at international journals and he is the inventor of 5 international patents. Prof Long received the B.Eng. from the Huazhong University of Science and Technology\, China\, the first class B.Eng. (Hons.) from the University of Birmingham\, UK in 2009\, and the Ph.D. from the University of Cambridge\, UK in 2013. Prof Long is a Chartered Engineer registered with the UK Engineering Council. \nAll are welcome.
URL:https://ece.hku.hk/events/seminar-from-device-to-system-can-we-design-power-converters-without-physical-boundaries/
CATEGORIES:Seminar
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