Design of High Power Density Motor for EV Applications

A high power density IPMSM is proposed in this paper with a rated output power of 150kW and a maximum torque of 300N-m. The power density of this machine is calculated to be 29.18kW/L (26kW/kg). The proposed design is realized for a drive system driven by inverter with 355V DC input. The current and voltage characteristics of the machine are studied and the number of series-parallel paths are chosen to be driven by the inverter voltage.