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This research aims to optimize the thermal performance of stator core cooling systems for high-power-density permanent magnet synchronous motors.

Thermal Performance Analysis and Optimization of a Stator Core Water-Cooling System for High-Power-Density Permanent Magnet Synchronous Motors

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This research aims to optimize the thermal performance of stator core cooling systems for high-power-density permanent magnet synchronous motors.
Adopted a three-dimensional lumped parameter thermal network model.
Evaluated 2,486 structural configurations to assess temperature distribution effects.
Conducted prototype experiments to validate model accuracy with a maximum temperature prediction error below 3.8%.
Optimal configuration reduces pipe losses by 56.8% compared to conventional designs.
Minimum steady-state temperature rise achieved was 44.9 K with specific dimensions identified.
Temperature predictions closely aligned with experimental results, validating the model's applicability.

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Randomized trial evaluates thermal performance in high-power-density motors, indicating optimal cooling configurations.

Du et al. (2026) studied this question.

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