3-D Optimal Design of Induction Motor Used in High-Pressure Scroll Compressor

This paper presents a 3-D optimal design, regarding both magnetic and thermal characteristics, for a three-phase induction motor used in a high-pressure scroll compressor. In the scroll compressor, the three-phase induction motor does play an important role of causing dynamic force, but generates high heat, which exerts negative influences on both lifetime and performance. Thus, it is necessary to design the scroll compressor considering two physical disciplines in order to improve the performance while protecting against overheating. A 3-D topology approach using a multiobjective function yields optimal design with higher torque and more efficient heat transfer.