The Effect of Unbalanced Excitation System on the MMF Analysis of the Six-Phase Winding.
Amin, A. (2020). The Effect of Unbalanced Excitation System on the MMF Analysis of the Six-Phase Winding.. EKB Journal Management System, 10(2), 1-12. doi: 10.21608/bfemu.2021.177206
Abd El-Rahman Amin. "The Effect of Unbalanced Excitation System on the MMF Analysis of the Six-Phase Winding.". EKB Journal Management System, 10, 2, 2020, 1-12. doi: 10.21608/bfemu.2021.177206
Amin, A. (2020). 'The Effect of Unbalanced Excitation System on the MMF Analysis of the Six-Phase Winding.', EKB Journal Management System, 10(2), pp. 1-12. doi: 10.21608/bfemu.2021.177206
Amin, A. The Effect of Unbalanced Excitation System on the MMF Analysis of the Six-Phase Winding.. EKB Journal Management System, 2020; 10(2): 1-12. doi: 10.21608/bfemu.2021.177206

The Effect of Unbalanced Excitation System on the MMF Analysis of the Six-Phase Winding.

MEJ- Mansoura Engineering Journal
Article 43, Volume 10, Issue 2, December 1985, Page 1-12  XML PDF (204.45 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2021.177206
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Author
Abd El-Rahman Amin email
Assistant Professor, Electrical Power and Machines Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt.
Abstract
The effect of losing one-phase or more of the excitation system on the space MMF harmonics has been investigated for two types of six-phase stator windings ; by means of Goerge's vector diagram. The scope of this work covers the various changes in the resultant MMF waveforms that occur due to one-phase, or two-phase, or three-phase being opened. Consequently, an insight into avoiding the modes of operation which provide an objectional harmonic contents is given.
The results obtained recommend to use the six-phase winding with phase spread , ẟ , eaual to 60 , in order to improve the overall reliability with one phase being opened ; the most common failures occurred.
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