Design of a high power density Halbach BLDC motor for an electric vehicle propulsion

Ravikumar, B. V. and Sivakumar, K. and Karunanidhi, S. (2021) Design of a high power density Halbach BLDC motor for an electric vehicle propulsion. International Transactions on Electrical Energy Systems, 31 (6). ISSN 2050-7038

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Abstract

The electric drives used for vehicle propulsion need to be highly efficient and high power dense to improve the performance of electric vehicles (EV) and make them competent in transportation applications. In the similar lines, this paper proposes a radial flux brushless direct current (BLDC) motor with surface magnet rotor with a Halbach array. The magnetic equivalent circuit of the motor is derived; nonlinear electromagnetic analysis carried out and arrived at performance characteristics for an EV propulsion. The proposed topology is compared with conventional BLDC motor with surface mount magnets and found an increment of 20% in power density. The hardware is realized, tested for its performance and the results are closely matching with design parameters.

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IITH Creators:

IITH Creators	ORCiD
Ravikumar, B	UNSPECIFIED
Sivakumar, K	UNSPECIFIED

Item Type:

Article

Uncontrolled Keywords:

Brushless direct current motor; Design parameters; Electromagnetic analysis; High power density; Magnetic equivalent circuits; Performance characteristics; Power densities; Vehicle propulsion ;AC motors; Electric automobiles; Electric drives; Equivalent circuits; Magnets; Propulsion; Surface mount technology; Traction motors

Subjects:

Electrical Engineering

Depositing User:

. LibTrainee 2021

Date Deposited:

22 Jul 2021 07:21

Last Modified:

11 Mar 2022 09:33

URI:

http://raiithold.iith.ac.in/id/eprint/8464

Publisher URL:

http://doi.org/10.1002/2050-7038.12869