A Rewound Five-Phase Synchronous Reluctance Machine: Operating Voltage, Inductance Analysis and Comparison with Conventional Multiphase Machines
In the recent literature, a rewinding approach was proposed to construct a rewound five-phase machine with either star-connected or combined star-pentagon winding using existing off-the-shelf three-phase stator frames. The power per phase drops by a factor of 3/5 in the five-phase machine compared t...
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| Veröffentlicht in: | IEEE transactions on industry applications 2024-01, Vol.60 (1), p.1-15 |
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| creator | Tawfiq, Kotb B. Abdel-Khalik, Ayman S. Ibrahim, Mohamed N. EL-Refaie, Ayman M. Sergeant, Peter |
| description | In the recent literature, a rewinding approach was proposed to construct a rewound five-phase machine with either star-connected or combined star-pentagon winding using existing off-the-shelf three-phase stator frames. The power per phase drops by a factor of 3/5 in the five-phase machine compared to the three-phase machine. This indicates that either the rated current or voltage must be rescaled. The two options are compared in terms of drive cost and performance. The constant current - reduced voltage option is analytically investigated to determine whether reducing the operating voltage affects the operating speed/output power or not. The second contribution of this work is to determine the optimal slot/pole combinations of the existing off-the-shelf three-phase stators that ensure balanced five-phase star-connected and/or combined star-pentagon windings. This has been done by comparing the harmonic mapping of the rewound machines for different slots/poles combination with the conventional five-phase machines using standard vector-space-decomposition. In addition, the leakage inductance mismatch for different slots/poles combinations of the rewound five-phase machines has been compared to the standard conventional five-phase machines. The last contribution of this paper is to compare the performance of the rewound combined star-pentagon winding with an optimally designed conventional symmetrical one (60-slots/4-poles). This has been done using 2D Ansys Maxwell transient simulation. Finally, experimental results are used to support the theoretical and analytical conclusions. |
| doi_str_mv | 10.1109/TIA.2023.3275127 |
| format | Article |
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The power per phase drops by a factor of 3/5 in the five-phase machine compared to the three-phase machine. This indicates that either the rated current or voltage must be rescaled. The two options are compared in terms of drive cost and performance. The constant current - reduced voltage option is analytically investigated to determine whether reducing the operating voltage affects the operating speed/output power or not. The second contribution of this work is to determine the optimal slot/pole combinations of the existing off-the-shelf three-phase stators that ensure balanced five-phase star-connected and/or combined star-pentagon windings. This has been done by comparing the harmonic mapping of the rewound machines for different slots/poles combination with the conventional five-phase machines using standard vector-space-decomposition. In addition, the leakage inductance mismatch for different slots/poles combinations of the rewound five-phase machines has been compared to the standard conventional five-phase machines. The last contribution of this paper is to compare the performance of the rewound combined star-pentagon winding with an optimally designed conventional symmetrical one (60-slots/4-poles). This has been done using 2D Ansys Maxwell transient simulation. Finally, experimental results are used to support the theoretical and analytical conclusions.</description><identifier>ISSN: 0093-9994</identifier><identifier>EISSN: 1939-9367</identifier><identifier>DOI: 10.1109/TIA.2023.3275127</identifier><identifier>CODEN: ITIACR</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Circulating current ; Coils (windings) ; combined-star-pentagon ; Cost analysis ; Electric potential ; FEM ; Inductance ; leakage-inductance ; Optimization ; Poles ; Reluctance machinery ; Rewinding ; rewound machines ; Rotors ; Stars ; Stator windings ; Stators ; Voltage ; Winding ; Windings</subject><ispartof>IEEE transactions on industry applications, 2024-01, Vol.60 (1), p.1-15</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2024</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c287t-5763ab93855beec232ef2028150bf46857e4d4f509c62e1c322819c7c5963b333</cites><orcidid>0000-0002-0598-8703 ; 0000-0002-4087-3792 ; 0000-0001-5162-4954 ; 0000-0002-4261-6087 ; 0000-0001-8601-7839</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10123041$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10123041$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Tawfiq, Kotb B.</creatorcontrib><creatorcontrib>Abdel-Khalik, Ayman S.</creatorcontrib><creatorcontrib>Ibrahim, Mohamed N.</creatorcontrib><creatorcontrib>EL-Refaie, Ayman M.</creatorcontrib><creatorcontrib>Sergeant, Peter</creatorcontrib><title>A Rewound Five-Phase Synchronous Reluctance Machine: Operating Voltage, Inductance Analysis and Comparison with Conventional Multiphase Machines</title><title>IEEE transactions on industry applications</title><addtitle>TIA</addtitle><description>In the recent literature, a rewinding approach was proposed to construct a rewound five-phase machine with either star-connected or combined star-pentagon winding using existing off-the-shelf three-phase stator frames. The power per phase drops by a factor of 3/5 in the five-phase machine compared to the three-phase machine. This indicates that either the rated current or voltage must be rescaled. The two options are compared in terms of drive cost and performance. The constant current - reduced voltage option is analytically investigated to determine whether reducing the operating voltage affects the operating speed/output power or not. The second contribution of this work is to determine the optimal slot/pole combinations of the existing off-the-shelf three-phase stators that ensure balanced five-phase star-connected and/or combined star-pentagon windings. This has been done by comparing the harmonic mapping of the rewound machines for different slots/poles combination with the conventional five-phase machines using standard vector-space-decomposition. In addition, the leakage inductance mismatch for different slots/poles combinations of the rewound five-phase machines has been compared to the standard conventional five-phase machines. The last contribution of this paper is to compare the performance of the rewound combined star-pentagon winding with an optimally designed conventional symmetrical one (60-slots/4-poles). This has been done using 2D Ansys Maxwell transient simulation. Finally, experimental results are used to support the theoretical and analytical conclusions.</description><subject>Circulating current</subject><subject>Coils (windings)</subject><subject>combined-star-pentagon</subject><subject>Cost analysis</subject><subject>Electric potential</subject><subject>FEM</subject><subject>Inductance</subject><subject>leakage-inductance</subject><subject>Optimization</subject><subject>Poles</subject><subject>Reluctance machinery</subject><subject>Rewinding</subject><subject>rewound machines</subject><subject>Rotors</subject><subject>Stars</subject><subject>Stator windings</subject><subject>Stators</subject><subject>Voltage</subject><subject>Winding</subject><subject>Windings</subject><issn>0093-9994</issn><issn>1939-9367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkMtOwzAQRS0EEuWxZ8HCEltS_IiTmF1VUagEKoLCNnLdCXWV2sFOivoXfDIuLRKr0WjOvTNzEbqgpE8pkTfT8aDPCON9znJBWX6AelRymUie5YeoR4jkiZQyPUYnISwJoamgaQ99D_ALfLnOzvHIrCF5XqgA-HVj9cI767oQx3WnW2U14CelF8bCLZ404FVr7Ad-d3WrPuAaj-38DxtYVW-CCVhF16FbNcqb4Cz-Mu0i9nYNtjUuQvipq1vT_K7ce4czdFSpOsD5vp6it9HddPiQPE7ux8PBY6JZkbeJyDOuZpIXQswANOMMqvh-QQWZVWlWiBzSeVoJInXGgGrO4kzqXAuZ8Rnn_BRd7Xwb7z47CG25dJ2PR4WSSZqlheBiS5Edpb0LwUNVNt6slN-UlJTb3MuYe7nNvdznHiWXO4kBgH84ZZyklP8AdmJ_5w</recordid><startdate>20240101</startdate><enddate>20240101</enddate><creator>Tawfiq, Kotb B.</creator><creator>Abdel-Khalik, Ayman S.</creator><creator>Ibrahim, Mohamed N.</creator><creator>EL-Refaie, Ayman M.</creator><creator>Sergeant, Peter</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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In addition, the leakage inductance mismatch for different slots/poles combinations of the rewound five-phase machines has been compared to the standard conventional five-phase machines. The last contribution of this paper is to compare the performance of the rewound combined star-pentagon winding with an optimally designed conventional symmetrical one (60-slots/4-poles). This has been done using 2D Ansys Maxwell transient simulation. Finally, experimental results are used to support the theoretical and analytical conclusions.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIA.2023.3275127</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-0598-8703</orcidid><orcidid>https://orcid.org/0000-0002-4087-3792</orcidid><orcidid>https://orcid.org/0000-0001-5162-4954</orcidid><orcidid>https://orcid.org/0000-0002-4261-6087</orcidid><orcidid>https://orcid.org/0000-0001-8601-7839</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Circulating current Coils (windings) combined-star-pentagon Cost analysis Electric potential FEM Inductance leakage-inductance Optimization Poles Reluctance machinery Rewinding rewound machines Rotors Stars Stator windings Stators Voltage Winding Windings |
| title | A Rewound Five-Phase Synchronous Reluctance Machine: Operating Voltage, Inductance Analysis and Comparison with Conventional Multiphase Machines |
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