Dynamic modeling of coaxial magnetic gears based on magnetic equivalent circuit using nodal analysis method

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Khodakarami Alireza; Feshki Farahani Hassan; HOSSEINI ALIABADI MAHMOOD

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Journal Paper

Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2021 | Volume:50 | Issue:4 (94) Page(s): 1569-1580

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Title

Dynamic modeling of coaxial magnetic gears based on magnetic equivalent circuit using nodal analysis method

Author(s)

Khodakarami Alireza | Feshki Farahani Hassan | HOSSEINI ALIABADI MAHMOOD | Issue Writer Certificate

Keywords

Coaxial magnetic gear

magnetic equivalent circuit

inner and outer rotors

pole pieces

pullout torque

Abstract

Magnetic gears in comparison with mechanical type have a lot of features like high reliability, low vibration and acoustic noise, overload protection, input and output shafts insulation, and less repair and maintenance requirements. Having a semi-analytic model based on the magnetic equivalent circuit (MEC) compared with the finite element method can reduce the time needed in the preliminary stages of the design process. In this paper, a two-dimensional modeling of a Coaxial magnetic gearbox based on a MEC is presented using the nodal analysis method. Using the proposed model, the magnetic potentials of the circuit nodes are first obtained and the magnetic field distribution, fluxes, inner and outer rotor torque are determined in different parts of the gear. In t his modeling, a dynamical model of the gear is presented. Using this model, the torque-angle characteristic, torque ripple and pullout torque of the gear are extracted. In addition, the effect of the load torque variation on the MG dynamics is evaluated. Finally, in order to validate the proposed model, the model results are compared with the finite element analysis.

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APA: Copy

Khodakarami, Alireza, Feshki Farahani, Hassan, & HOSSEINI ALIABADI, MAHMOOD. (2021). Dynamic modeling of coaxial magnetic gears based on magnetic equivalent circuit using nodal analysis method. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, 50(4 (94) ), 1569-1580. SID. https://sid.ir/paper/962092/en

Vancouver: Copy

Khodakarami Alireza, Feshki Farahani Hassan, HOSSEINI ALIABADI MAHMOOD. Dynamic modeling of coaxial magnetic gears based on magnetic equivalent circuit using nodal analysis method. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2021;50(4 (94) ):1569-1580. Available from: https://sid.ir/paper/962092/en

IEEE: Copy

Alireza Khodakarami, Hassan Feshki Farahani, and MAHMOOD HOSSEINI ALIABADI, “Dynamic modeling of coaxial magnetic gears based on magnetic equivalent circuit using nodal analysis method,” TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, vol. 50, no. 4 (94) , pp. 1569–1580, 2021, [Online]. Available: https://sid.ir/paper/962092/en

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