Published 02/04/2025 at 931 × 657 in Three-Phase 75 kW Brushless Direct Current Motor for Electric Vehicles: Different Power Stage Design, Calculation of Losses, Cooling Techniques, and Comparison Figure 18. Original 75 kW fan assisted natural-air cooled three-phase inverter circuit. Figure 18. Original 75 kW fan assisted natural-air cooled three-phase inverter circuit.