Effects of stator core welding on an induction machine : measurements and modeling
作者： Ravi Sundaria , Andries Daem , Osaruyi Osemwinyen , Antti Lehikoinen , Peter Sergeant
DOI: 10.1016/J.JMMM.2019.166280
关键词: Mechanical engineering 、 Induction motor 、 Induction machine 、 Materials science 、 Core (optical fiber) 、 Magnetic measurements 、 Stator 、 Welding 、 Electrical steel 、 Finite element method
摘要: Abstract There is a growing interest towards increasing the efficiency of electrical machines to reduce ecological footprint. The an machine closely related understanding and accurate estimation associated losses. One loss component welding steel sheets as part manufacturing. This paper studies effect core on typical industrial induction motor. magnetic permeability losses first analyzed with help measurements unwelded welded ring cores assembled from stator sheets. Further, derived material parameters are applied in finite element analysis performance analyzed. It was observed that increased about 10% due effect. A mock-up prototype then manufactured measure which follow simulated values closely.
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