Electromagnetic and thermal analysis using finite element method of axial flux BLDC motor

The development of electric vehicle research on the design of an optimized, efficient and reliable motor drive is required to improve the performance of the electric vehicle. The design of compact motor drive with high power to weight ratio is required in the application of motor drive for electric vehicle. In this research, electromagnetic-thermal analysis of DC axial flux brushless motor is performed. In this experiment, the motor is designed to produce an output power of 12 kW. Electromagnetic analysis that performed in this research including electrical parameters, field characteristics and core losses on the motor. The analysis is done using finite element method. The design results obtained are axial flux brushless DC motor with size 220 cm using 12 stator slot and 10 pole rotor. Produces 12.36 kW of output power, 2,388 rpm of speed, 392 W of core loss and 49.4 Nm of torque. This motor has a voltage rating of 400 V DC and 29.2 A of the input current. Produces 12.36 kW of output power, 2,388 rpm of speed, 392 W of core loss and 49.4 Nm of torque. The voltage rating of motor is 400 V DC and the input current is 29.2 A. The convection heat transfer coefficient of the motor is 51.7 W/m2 °C and the maximum heat that occurs in the motor is 73.037°C.