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- Title
Optimal Design of Magnetically Levitated Permanent-Magnet Planar Motors Using THD<sub>2D</sub> Method.
- Authors
Xinhua Zhang; Hao Luo; Zebin Yang; Xiaodong Sun; Jinchun Hu
- Abstract
In order to reduce the higher harmonic component of the magnetic field in magnetically levitated permanent-magnet planar motors (PMPMs), a sinusoidal index for 2-dimensional (2D) wave is proposed and verified by calculating the average total harmonic distortion (THD) of the discrete waveform. Based on this, a novel optimal design method using THD for 2-dimensional wave (THD2D) and fundamental amplitude is proposed for PMPMs. The finite element analysis and experimental results show that the higher harmonic component of magnetic field is reduced with average fundamental amplitude invariant, and the back-EMF is better. So the optimal design method can improve the electromagnetic performance of magnetically levitated PMPMs.
- Subjects
PERMANENT magnet motors; MAGNETIC fields; HARMONIC distortion (Physics); ELECTROMAGNETISM; FINITE element method
- Publication
Progress in Electromagnetics Research M, 2015, Vol 42, p21
- ISSN
1937-8726
- Publication type
Article
- DOI
10.2528/pierm15020304