ABB Power Electronics & Large Drives, Turgi, Switzerland
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
Summer Internship Engineer ( 6/2003 ~ 8/2003 )
Otis Elevator Drives Group, Engineering Center at Farmington in Connecticut, USA
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
System Application Engineer ( 2/1993 ~ 7/1998 )
Samsung Electronics Semiconductor Division, Power Electronics Group, Korea
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).
Professional Employment Experience
Senior Engineer ( 4/2004 ~ present )