Effect of Stator Temperature on System Efficiency Based on Bench Control
The driving range of electric vehicles is directly influenced by the efficiency of the electric drive system.This study focused on the impact of stator temperature on the efficiency of a 200 kW electric drive system based on efficiency mapping tests conducted on a dual motor test bench.Firstly,measured the stator temperature and analyzed its influence on efficiency.Secondly,employed micro-ohmmeters to measure line losses,addressing the impact of direct bus current losses.Furthermore,utilized a power analyzer to automat-ically provide more accurate voltage and current measurements.Finally,data filtering and customized data acquisition methods were implemented to enhance data accuracy and stability.These improvements lay the foundation for improved testing accuracy in enhancing the efficiency of electric drive systems.The outcomes of this research offer practical guidance for enhancing the driving range and performance optimization of new energy vehicles.
dual motor test benchstator temperatureefficiencydriving range
NETL
NSTL
万方数据
维普
