Title :
A high temperature traction inverter with reduced cooling and improved efficiency for HEV applications
Author :
Zhuxian Xu ; Fan Xu ; Dong Jiang ; Wenchao Cao ; Wang, F.
Author_Institution :
Center for Ultra-wide-area Resilient Electr. Energy Transm. Networks, Univ. of Tennessee, Knoxville, TN, USA
Abstract :
This paper presents a 30 kW Si IGBT based three-phase traction inverter for operating at the junction temperature of 200°C with the reduced cooling and improved efficiency in hybrid electric vehicle (HEV) applications. The high temperature capable Si devices based module is developed for operation with the 105°C high temperature engine coolant, leading to lower cost and higher power density. A variable switching frequency pulse width modulation (VSFPWM) scheme is employed to relieve the negative effect of high temperature on loss. The experimental results demonstrate that the three-phase converter can operate continuously with the 105°C high temperature coolant. The efficiency is increased from 94.98 % to 95.73 % after VSFPWM is applied at full load.
Keywords :
elemental semiconductors; insulated gate bipolar transistors; invertors; silicon; traction; high temperature traction inverter; hybrid electric vehicle; power 30 kW; reduced cooling; temperature 105 degC; temperature 200 degC; Coolants; Insulated gate bipolar transistors; Junctions; Multichip modules; Silicon; Switching frequency; Temperature measurement;
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2013 IEEE
Conference_Location :
Denver, CO
DOI :
10.1109/ECCE.2013.6647062
