Power Electronics Thermal Management Research: Annual Progress Report

Research output: NRELManagement


The objective for this project is to develop thermal management strategies to enable efficient and high-temperature wide-bandgap (WBG)-based power electronic systems (e.g., emerging inverter and DC-DC converter). Reliable WBG devices are capable of operating at elevated temperatures (= 175 degrees Celsius). However, packaging WBG devices within an automotive inverter and operating them at higher junction temperatures will expose other system components (e.g., capacitors and electrical boards) to temperatures that may exceed their safe operating limits. This creates challenges for thermal management and reliability. In this project, system-level thermal analyses are conducted to determine the effect of elevated device temperatures on inverter components. Thermal modeling work is then conducted to evaluate various thermal management strategies that will enable the use of highly efficient WBG devices with automotive power electronic systems.
Original languageAmerican English
Number of pages16
StatePublished - 2017

Bibliographical note

DOE posted at https://energy.gov/eere/vehicles/downloads/electric-drive-technologies-2016-annual-progress-report

NREL Publication Number

  • NREL/MP-5400-67112


  • automotive
  • power electronics
  • thermal analysis
  • thermal management
  • wide bandgap


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