Analysis of the Impact of Magnetic Materials on Cogging Torque in Brushless DC Motor | Zendy

K. Karthick | Zendy; Ravivarman Shanmugasundaram | Zendy; Ravi Samikannu | Zendy; K. Vinoth | Zendy; Bashyam Sasikumar | Zendy

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Analysis of the Impact of Magnetic Materials on Cogging Torque in Brushless DC Motor

Author(s) -

K. Karthick,

Ravivarman Shanmugasundaram,

Ravi Samikannu,

K. Vinoth,

Bashyam Sasikumar

Publication year - 2021

Publication title -

advances in materials science and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 42

eISSN - 1687-8442

pISSN - 1687-8434

DOI - 10.1155/2021/5954967

Subject(s) - cogging torque , materials science , stator , magnet , rotor (electric) , torque , direct torque control , neodymium magnet , automotive engineering , control theory (sociology) , mechanical engineering , computer science , electrical engineering , physics , induction motor , engineering , voltage , control (management) , artificial intelligence , thermodynamics

The cogging torque is the most significant issue in permanent magnet applications, since it has a negative impact on machine performance. In this article, the impact of magnetic materials on cogging torque is analyzed on brushless DC motors (BLDC). The effect of neodymium magnets (NdFeB), compression molded magnet, and samarium cobalt (SmCo) magnet on the cogging torque is analyzed to the BLDC motor designed for hybrid electric vehicle traction that has the peak power rating of 50 kW motor with 48 stator slots and 8 rotor poles. With the presence of these three magnetic materials, the cogging torque is estimated independently using multiposition simulation. The multiposition is simulated using a transient application that runs at constant speed. The results of cogging torque, rotational speed, angular position of BLDC motor, and magnetic flux density distribution have been presented. Also, the maximal, mean, minimal, rectified mean, and rms values of cogging torque were provided.

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