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Finite element analysis of flux-reversal machine considering BEMF current of a switch-off phase and v-i characteristics of a transistor and a freewheeling diode
- Authors
- Kim, Tae Heoung; Won, Sung Hong; Lee, Ju
- Issue Date
- Apr-2006
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- back-electromotive force (BEMF); digital signal processor (DSP); finite element method (FEM); flux-reversal machine (FRM); permanent magnet; pulse width modulation (PWM) mode
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.42, no.4, pp.1039 - 1042
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 42
- Number
- 4
- Start Page
- 1039
- End Page
- 1042
- ISSN
- 0018-9464
- Abstract
- This paper describes the effect of pulsating current generated by back-electromotive force (BEMF) current of switch-off phase in flux-reversal machine (FRM) which is driven by 120 degrees square wave voltage sources. A two-dimension time-stepped voltage source finite element analysis using a direct convergence method is proposed to analyze an electromagnetic field and the BEMF current. To prove the propriety of the proposed analysis method, we build the prototype FRM and a digital signal processor (DSP) installed controller as a set for the experiment.
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