Title page for ETD etd-07112012-004349


Type of Document Dissertation
Author Wang, Ruxi
Author's Email Address ruxi@vt.edu
URN etd-07112012-004349
Title High Power Density and High Temperature Converter Design for Transportation Applications
Degree PhD
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Boroyevich, Dushan Committee Chair
Centeno, Virgilio A. Committee Member
De La Ree Lopez, Jaime Committee Member
Leech, Irene E. Committee Member
Wang, Fei Fred Committee Member
Keywords
  • High power density
  • Ripple energy
  • Single phase rectifier
  • High temperature
  • Harsh environment
  • Silicon carbide
  • Packaging
  • Compact EMI filter
  • Coupling
Date of Defense 2012-06-25
Availability unrestricted
Abstract
The continual development of high-power-density power electronic converters is driven particularly by modern transportation applications like electrical vehicles and more electric aircraft where the space and carrier capability is limited. However, there are several challenges related to transportation applications such as fault tolerance for safety concern, high temperature operation in extreme environments and more strict electromagnetic compatibility requirement. These challenges will increase difficulties for more electrical system adoption in the transportation applications.

In this dissertation, comprehensive methodologies including more efficient energy storage solution, better power electronics devices capability, better packaging performance and more compact EMI filter design are analyzed and proposed for the goal of high power density converter design in transportation applications.

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