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1.
Assessment of the operating characteristics of brushless dc motors
Vasilija Sarac, Neven Trajchevski, Roman Golubovski, 2019, original scientific article

Abstract: This paper presents the operating characteristics of brushless DC motors (BLDC) obtained via analytical, numerical, and simulation software, enabling steady-state and transient characteristics of a motor to be computed. Based on the catalogue data from the producer, Moog, a motor is simulated in a closed-loop control system fed by a voltage inverter. The accuracy of the derived models is verified by comparison with data from the producer. The developed analytical and simulation models enable the studying of various motor operating modes, such as no-load, rated load, and locked rotor, including motor starting characteristics. They are universal and can be easily applied to any brushless DC motor by simple replacement of the motor parameters. A numerical model in FEM software verifies the accuracy of previously derived models by obtaining the motor operating characteristics and the magnetic flux density distribution in a cross-section of the motor. The results obtained from all models have verified the proper design of the motor and laid out the path for further improvement with respect to the various motor parameters or operating characteristics.
Keywords: brushless DC motor, FEM model, transient characteristics
Published in DKUM: 22.12.2023; Views: 343; Downloads: 4
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2.
Measurements of the characteristics of an electric motor for an electric vehicle's drive
Klemen Srpčič, Gregor Srpčič, 2021, original scientific article

Abstract: This paper aims to present the performance and measurement results of a load test performed on a brushless DC motor built into the wheel of a solar-powered vehicle. A brushless DC motor's theoretical background and operation are presented at the beginning of the paper. The article covers the technical specification of the solar-powered vehicle and the inbuilt brushless DC motor. The measurements were performed with the described equipment at the Institute of Energy Technology, Faculty of Energy Technology, University of Maribor. Due to the unique design of the measured electric motor, it was also necessary to make a special housing, which was intended for connecting the electric motor to the test bench. The article concludes with an analysis of the measurement results in comparison with the data provided by the electric motor manufacturer.
Keywords: electric vehicles, electric motor, brushless DC motor, solar-powered vehicle
Published in DKUM: 13.11.2023; Views: 213; Downloads: 8
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