Design optimization and real-time implementation of an LSPMSM for efficiency enhancement

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dc.contributor.authorOcak, Cemil
dc.contributor.authorYenipinar, Burak
dc.contributor.authorCelik, Emre
dc.contributor.authorAbdel-Salam, Mahmoud
dc.contributor.authorTejani, Ghanshyam G.
dc.contributor.authorMousavirad, Seyed Jalaleddin
dc.date.accessioned2026-07-01T11:39:55Z
dc.date.available2026-07-01T11:39:55Z
dc.date.issued2025
dc.departmentDüzce Üniversitesi
dc.description.abstractThis study presents the design optimization and experimental validation of a Line-Start Permanent Magnet Synchronous Motor (LSPMSM) aimed at achieving IE4 efficiency class. An IE1 class induction motor (IM) was used as a reference. Only the rotor structure was modified, while the stator geometry, winding, and mechanical components were kept unchanged. The optimization process focused on rotor slot geometry, magnet placement, magnet dimensions, and core length, employing a Multi-Objective Genetic Algorithm (MOGA) to maximize efficiency while maintaining cost-effectiveness. Following the optimization, six candidate designs were evaluated based on demagnetization prediction, synchronization performance, and starting torque capability. Among them, Design C demonstrated the highest overall performance. Finite Element Analysis (FEA) confirmed that Design C met IE4 efficiency standards with a calculated efficiency of 92.15%. This result was later experimentally verified at 91.95% through thermal testing. The study further examined the cost and payback period scenarios for adopting LSPMSMs in industrial applications. Three implementation strategies were analyzed: replacing only the rotor, purchasing a new IE4 LSPMSM instead of an IE1 motor, and replacing an operational IE1 motor with an IE4 LSPMSM. The results indicated that efficiency improvement could be achieved with minimal modifications. The payback period varied depending on the investment strategy. The findings demonstrate that high-efficiency LSPMSMs can serve as direct replacements for induction motors, offering energy savings and improved performance while maintaining compatibility with existing motor housings and components.
dc.description.sponsorshipMid Sweden University -- Open access funding provided by Mid Sweden University.
dc.identifier.doi10.1038/s41598-025-21896-5
dc.identifier.issn2045-2322
dc.identifier.issue1
dc.identifier.orcid0000-0001-9106-0313
dc.identifier.orcid0000-0002-9714-0717
dc.identifier.pmid41168315
dc.identifier.scopus2-s2.0-105020474012
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://doi.org/10.1038/s41598-025-21896-5
dc.identifier.urihttps://hdl.handle.net/20.500.12684/23543
dc.identifier.volume15
dc.identifier.wosWOS:001606739500008
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherNature Portfolio
dc.relation.ispartofScientific Reports
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260623
dc.subjectLspmsm
dc.subjectIe4 Efficiency
dc.subjectOptimization
dc.subjectFem
dc.subjectSynchronization
dc.subjectDemagnetization
dc.subjectPayback
dc.titleDesign optimization and real-time implementation of an LSPMSM for efficiency enhancement
dc.typeArticle

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