Research Information System
15th International Conference on Renewable and Clean Energy, ICRCE 2025, Fukuoka, Japan, 15 - 17 February 2025, vol.1434 LNEE, pp.55-66, (Full Text)
In recent years, the use of vehicles with traditional internal combustion motors has decreased, while electric vehicles powered by clean energy are becoming more widespread. In fully electric vehicles, Permanent Magnet Synchronous Motors (PMSMs) are predominantly used due to their high efficiency and practicality. These motors are efficient and compact, providing high power and easily controlled by modern power electronics. With the decreasing cost of magnets, they have become more popular. The absence of friction-producing components like brushes and rings leads to very low total losses, making PMSMs the modern electric motor of choice. This study aims to further enhance the efficiency of PMSMs, which prioritize clean energy use, in order to achieve greater energy savings. The study shows that significant improvements in motor efficiency can be achieved by changing the stator housing shapes and dimensions of a 1.2 kW, 220 V motor. As a result of the optimization of only slot sizes with the genetic algorithm, an improvement of 1–3% was observed in each slot type. In this way, the efficiency has reached up to 95%. When motor material selections are included in the optimization, the efficiency approaches 97%.