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Integrated Motor Drive: Mass and Volume Optimization of the Motor with an Integrated Filter Inductor

Author

Listed:
  • Muhammad Raza Khowja

    (Power Electronics, Machines and Control (PEMC) Research Group, University of Nottingham, Nottingham NG7 2RD, UK)

  • Gaurang Vakil

    (Power Electronics, Machines and Control (PEMC) Research Group, University of Nottingham, Nottingham NG7 2RD, UK)

  • Chris Gerada

    (Power Electronics, Machines and Control (PEMC) Research Group, University of Nottingham, Nottingham NG7 2RD, UK
    Department of Electrical and Electronic Engineering, University of Nottingham Ningbo China, Ningbo 315100, China)

  • Chintan Patel

    (Power Electronics, Machines and Control (PEMC) Research Group, University of Nottingham, Nottingham NG7 2RD, UK)

  • Shafiq Odhano

    (School of Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK)

  • Patrick Wheeler

    (Power Electronics, Machines and Control (PEMC) Research Group, University of Nottingham, Nottingham NG7 2RD, UK)

Abstract

The present trend of aerospace industries is being shifted towards a “More Electric Aircraft” system which needs to be high power dense. For this purpose, the integration technologies have gained massive interest, providing the benefits of reduced losses, weight, volume and cost. In this article, the integration concept of a passive filter inductor is presented for a permanent magnet synchronous motor. The integrated motor eliminates the need of an external inductor, thus, eliminates the added inductor losses, mass, volume and cost associated with it. The motor utilizes its’s inherent inductance to use it as a filter inductor instead of implementing a discrete inductor that is commonly placed between inverter and the motor terminals. Optimization study is carried out, where the filter branch windings are tapped, in terms of improving mass and volume and performance parameters such as power losses and torque ripple. From the optimization study, the motor with minimum weight and volume is experimentally validated at the rated conditions, in order to prove the concept feasibility. Total system weight and volume of integrated and traditional motor drives are compared, which gives the minimum weight of 2.26 kg and 3.14 kg respectively, and the minimum volume of 0.54 L and 1.1 L respectively.

Suggested Citation

  • Muhammad Raza Khowja & Gaurang Vakil & Chris Gerada & Chintan Patel & Shafiq Odhano & Patrick Wheeler, 2021. "Integrated Motor Drive: Mass and Volume Optimization of the Motor with an Integrated Filter Inductor," Energies, MDPI, vol. 14(15), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4564-:d:603252
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    Cited by:

    1. Syed Shahjahan Ahmad & Liya Tom & Antonino La Rocca & Salvatore La Rocca & Gaurang Vakil & Chris Gerada & Maamar Benarous, 2022. "Torque Limiters for Aerospace Actuator Application," Energies, MDPI, vol. 15(4), pages 1-21, February.

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