Three-Phase 75 kW Brushless Direct Current Motor for Electric Vehicles: Different Power Stage Design, Calculation of Losses, Cooling Techniques, and Comparison
1. Overview: 2. Research Background: The increasing need to reduce CO2 and SO2 emissions due to climate change necessitates improvements in electric vehicle efficiency. While Brushless Direct Current (BLDC) motors are widely used in EVs due to their high power density, efficiency, and reliability, their operational lifespan is limited by high internal heat generation and