Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics
Variable flux reluctance machines (VFRMs) are increasingly attracting research interest due to their magnetless and robust brushless structure. Under the modulation effect of the airgap permeance, the VFRM operates with a series of field harmonics, distinguishing it from conventional AC synchronous...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-03-01
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| Series: | Vehicles |
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| Online Access: | https://www.mdpi.com/2624-8921/6/1/26 |
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| author | Xiangpei Gu Nicola Bianchi Zhuoran Zhang |
| author_facet | Xiangpei Gu Nicola Bianchi Zhuoran Zhang |
| author_sort | Xiangpei Gu |
| collection | DOAJ |
| description | Variable flux reluctance machines (VFRMs) are increasingly attracting research interest due to their magnetless and robust brushless structure. Under the modulation effect of the airgap permeance, the VFRM operates with a series of field harmonics, distinguishing it from conventional AC synchronous machines. This paper deals with the analysis and preliminary design of the VFRM from the perspective of multiple working airgap field harmonics. Firstly, the spatial and temporal order of the working field harmonics are defined. The systematic winding theory, including the unified star of slots and winding factor calculation method, is established to consider all these working harmonics. Then, an average torque model is built and simplified. The key role of 1st-order rotor permeance, 1st- and 3rd-order polarized stator permeance is deduced. The relationship between key parameters and average torque is computed, providing a guideline for the preliminary design of the VFRM. |
| first_indexed | 2024-04-24T17:45:46Z |
| format | Article |
| id | doaj.art-15d8b2c911bc4157acd59f2ad5400491 |
| institution | Directory Open Access Journal |
| issn | 2624-8921 |
| language | English |
| last_indexed | 2024-04-24T17:45:46Z |
| publishDate | 2024-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Vehicles |
| spelling | doaj.art-15d8b2c911bc4157acd59f2ad54004912024-03-27T14:07:17ZengMDPI AGVehicles2624-89212024-03-016157158910.3390/vehicles6010026Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field HarmonicsXiangpei Gu0Nicola Bianchi1Zhuoran Zhang2Department of Industrial Engineering, University of Padova, 35131 Padova, ItalyDepartment of Industrial Engineering, University of Padova, 35131 Padova, ItalyCollege of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, ChinaVariable flux reluctance machines (VFRMs) are increasingly attracting research interest due to their magnetless and robust brushless structure. Under the modulation effect of the airgap permeance, the VFRM operates with a series of field harmonics, distinguishing it from conventional AC synchronous machines. This paper deals with the analysis and preliminary design of the VFRM from the perspective of multiple working airgap field harmonics. Firstly, the spatial and temporal order of the working field harmonics are defined. The systematic winding theory, including the unified star of slots and winding factor calculation method, is established to consider all these working harmonics. Then, an average torque model is built and simplified. The key role of 1st-order rotor permeance, 1st- and 3rd-order polarized stator permeance is deduced. The relationship between key parameters and average torque is computed, providing a guideline for the preliminary design of the VFRM.https://www.mdpi.com/2624-8921/6/1/26analytical modelingmagnetless machinesstator-excitation synchronous machinereluctance machine |
| spellingShingle | Xiangpei Gu Nicola Bianchi Zhuoran Zhang Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics Vehicles analytical modeling magnetless machines stator-excitation synchronous machine reluctance machine |
| title | Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics |
| title_full | Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics |
| title_fullStr | Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics |
| title_full_unstemmed | Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics |
| title_short | Analysis and Preliminary Design of Variable Flux Reluctance Machines: A Perspective from Working Field Harmonics |
| title_sort | analysis and preliminary design of variable flux reluctance machines a perspective from working field harmonics |
| topic | analytical modeling magnetless machines stator-excitation synchronous machine reluctance machine |
| url | https://www.mdpi.com/2624-8921/6/1/26 |
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