A transient finite element method for power electronic driven electric machines

Author

Fu, W.N. ; Yiduan Chen

Author_Institution

Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong, China

fYear

2013

fDate

11-13 Dec. 2013

Firstpage

1

Lastpage

3

Abstract

A method to deal with the effect of the free wheeling diodes in the power electronic converter of brushless d.c. motor when using the time stepping finite element method is described. The circuit equations of the power electronic converter and the finite element equations of magnetic field are directly coupled together and are solved simultaneously. The study reveals that if the effect of the free wheeling diodes is ignored in the computation, because the sudden change of the currents, additional numerical errors will be produced. A brushless d.c. motor model is developed to illustrate the problem.

Keywords

brushless DC motors; diodes; finite element analysis; power electronics; brushless DC motor; free wheeling diode effect; magnetic field; power electronic converter; power electronic driven electric machine; transient time stepping finite element method; Equations; Finite element analysis; Integrated circuit modeling; Mathematical model; Power electronics; Stator windings; Brushless d.c. motor; eddy current; finite element; permanent magnet; time stepping;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Systems and Applications (PESA), 2013 5th International Conference on

Conference_Location

Hong Kong

Print_ISBN

978-1-4799-3276-4

Type

conf

DOI

10.1109/PESA.2013.6828248

Filename

6828248