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Keywords: Thermal effects ,Traction motor Simulation, Parallel electric Vehicle Abstract:According to the base theory of heat transfer, a thermodynamic for the permanent synchronous motor of hybrid electric vehicle was studied. The conception of temperature modulation factor was introduced; the temperature raise impacting the fundamental characteristics for motor was analyzed. Then the thermodynamic model of permanent magnetism synchronous machine was build in the vehicle simulation analyze platform in ADVISOR, the motor efficiency module and torque module were modified. Take HWFET and Beijing drive cycle for example, a parallel hybrid electric vehicle with the modified motor model and the motor model in the ADVISOR which was not modified were simulated and compared each other. The results proved that the actual performances of motor can be reflected further by the motor model which considering the thermal effects. So the simulation precision of model for hybrid electric vehicle can be improved.

Study on the Influence for Hybrid Electric Vehicle Performance by the Thermal Effects of Traction Motor