期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 62, 期 9, 页码 5359-5369出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2015.2407863
关键词
Finite-element analysis (FEA); flux-regulation; flux-switching; hybrid-excited; permanent-magnet machine
资金
- 973 Program of China [2013CB035603]
- National Natural Science Foundation of China [51177013, 51322705]
- Qing Lan Project of Jiangsu Province
- Six Talents Climax Project of Jiangsu Province [2011-ZBZZ-036]
- Technology R&D Program of Jiangsu Province [BE2012100, BY2012195]
- 333 Talents Project of Jiangsu Province
- Postgraduate Research and Innovation Project of University in Jiangsu Province [CXZZ12_0104]
A hybrid-excited flux-switching (HEFS) machine was proposed by reducing the permanent-magnet (PM) length of an original flux-switching PM machine and introducing a set of field windings into the saved space. According to the PM locations, three typical topologies of HEFS machines emerged, namely, PM-Top, PM-Bottom, and PM-Middle, respectively. The preliminary analysis indicates that different configurations of magnets and field windings have significant influences on the electromagnetic performance of HEFS machines. Hence, this paper is focused on the flux-regulation theories and principles of the three topologies of HEFS machines employing two typical magnet materials, namely, ferrite, and NdFeB, respectively. It is found that the field winding in the PM-Top machine exhibits reversal flux-regulation functions to that in the PM-Bottom one. The weakest flux-regulation capability is found in the PM-Middle one, since this can be considered as a combination of PM-Top and PM-Bottom ones. Overall, the highest magnet utilization and a strongest flux-regulation capability are exhibited in the PM-Bottom HEFS machine. The theoretical analysis is validated by both 2-D finite-element analysis-based predictions and experimental measurements on three prototype HEFS machines.
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