Professional Employment Experience
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Professor ( 4/2008 ~ present ) |
Jeonbuk National University, Electrical engineering department Jeonju-si, Korea |
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Senior Engineer ( 4/2004 ~ 4/2008 ) |
ABB Power Electronics & Large Drives, Turgi, Switzerland
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- Development of 20MW next generation high power rectifier
- Development of 5kA modular converter system(PEBB) for high power rectifier
- Development of modular converter system(PEBB) for plasma arc torch
- Study on power train system of hybrid electric vehicle for large trucks and buses
- Efficiency analysis on MV inverter motor drive system
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Summer Internship Engineer ( 6/2003 ~ 8/2003 ) |
Otis Elevator Drives Group, Engineering Center at Farmington in Connecticut, USA
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- Evaluated and tested the systematic characteristics of 75kW Matrix Converter.
- Designed dead time compensation algorithm for Matrix Converter.
- Designed unbalance input supply compensation algorithm for Matrix Converter
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System Application Engineer ( 2/1993 ~ 7/1998 ) |
Samsung Electronics Semiconductor Division, Power Electronics Group, Korea
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- Evaluated the systematic characteristics of the power semiconductor devices during product development process.
- Designed and developed the user-friendly application systems.
- Performed the initial technique-oriented market promotion and customer support.
- Played a significant technical role in achieving successful initial design-in promotions for a couple of major electronic appliance vendors such as Samsung, LG, Panasonic, HP, Apple, and Compaq.
- Designed resonant converters and electronic ballast systems (KA7521, KA7522).
- Designed power factor correction systems (KA7524, KA7531).
- Designed off-line switching mode power supplies ranging 25 W ~ 300 W (SPS series).
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