Isolated Bidirectional DC-DC Converter for Hybrid Electric Vehicle Applications

Chris Mi, Ph.D

Associate Professor, Electrical and Computer Engineering

University of Michigan – Dearborn

Abstract:

Isolated bidirectional DC-DC converters are being developed for use in military hybrid electric vehicles. One of the objectives is to use the on board energy storage of HEV to replace the portable generators in military applications. Isolation is necessary to prevent fault propagation from one source to another and to maintain normal operations of the military activities. This talk looks into the design and control of dual H-bridge bidirectional DC-DC converter, with focus on the steady state operation and phase-shift control implementation. Small signal model and dynamics of the converter will also be discussed.

Bio: Dr. Chris Mi is associate professor of electrical and computer engineering at the University of Michigan – Dearborn. He has taught courses and led seminars on power electronics and hybrid vehicles for SAE and IEEE. Dr. Mi has conducted extensive research and published more than 60 articles. Dr. Mi is the Vice Chair of the IEEE Southeast Michigan section. Dr. Mi holds a BS and an MS degree from Northwestern Polytechnical University, Xi’an, China, and a Ph.D degree from the University of Toronto. Dr. Mi worked for General Electric Company from 2000 to 2001.

Dr. Mi won the “National Innovation Award” in 1992, the “Government Special Allowance” in 1994. He was the winner of the 2005 “Distinguished Teaching Award” of University of Michigan Dearborn. He is also a recipient of the 2007 IEEE Region 4 “Outstanding Engineer Award,” 2007 “IEEE Southeastern Michigan Section Outstanding Professional Award,” and the 2007 “SAE Environmental Excellence in Transportation (E2T) Award.”

Friday, November 16, 2007

3:30 – 4:30 p.m.

Rm. 1500 EECS