Title page for ETD etd-12132005-120603

Type of Document Master's Thesis
Author Reichl, John Vincent
Author's Email Address john.reichl@ngc.com
URN etd-12132005-120603
Title Inverter Dynamic Electro-Thermal Simulation with Experimental Verification
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Lai, Jason Committee Chair
Hefner, Allen Committee Co-Chair
Lu, Guo-Quan Committee Member
  • inverter
  • electro-thermal simulation
Date of Defense 2005-11-29
Availability unrestricted
A full electro-thermal simulation of a three-phase space-vector-modulated (SVM) inverter is performed and validated with measurements. Electrical parameters are extracted over temperature for the insulated gate bipolar transistor (IGBT) and diode electro-thermal models. A thermal network methodology that includes thermal coupling between devices is applied to a six-pack module package containing multiple IGBT and diode chips. The electro-thermal device models and six-pack module thermal model are used to simulate SVM inverter operation at several power levels. Good agreement between model and measurement is obtained for steady state operation of the three-phase inverter. In addition, transient heating of a single IGBT in the six-pack module is modeled and validated, yielding good agreement.
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