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A high speed permanent magnet motor is designed for a flooded industrial pump. Oil in the pump is used to cool the motor. Due to the limitation of space and mass requirement for the application, thermal management is one of the main challenges. This paper describes the thermal management optimization process and design of the machine. Different cooling strategies are applied to cool the machine and...
A permanent magnet motor was designed for aircraft traction during the taxiing phase. In order to improve the reliability, the motor was attached to enable direct drive of the wheel without additional gearing. Due to the high torque needed for the aircraft traction, and the space and mass limitations of the wheel environment, the thermal management of the motor presents a big challenge. This paper...
A practical and reliable cooling solution for a high power density, high speed synchronous permanent magnet machine (PMSM) for an aero engine starter generator system is proposed in this paper. Commercial software packages based on lumped parameters network method and Computational Fluid Dynamics (CFD) are employed to identify the optimal cooling configuration. Other existing cooling techniques are...
This paper is the first in a series dedicated to investigating the airflow and thermal management of electrical machines. Due to the temperature dependent resistive losses in the machine's windings any improvement in cooling provides a direct reduction in losses and an increase in efficiency. This paper focuses on the airflow which is intrinsically linked to the thermal behaviour of the machine as...
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