A computationally effective method for iron loss estimation in a synchronous machine from a static field solution

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In this paper, a computationally effective iron loss calculation method for synchronous machines is presented. The method is based on a single static 2D finite element field solution in the machine cross-section, which makes it much faster than the one based on the time-stepping solution. The developed method is applied to a salient pole synchronous machine, and the computational accuracy is validated against the time-stepping method. The proposed iron losses computation method showed a fair accuracy and a considerable speed-up of the computations. It can be an excellent alternative for the iron losses estimation in the optimization procedure of synchronous machines, where a considerable amount of finite element solutions needs to be carried out. Besides the losses comparison, local reconstruction of the time dependency of other quantities such as the magnetic vector potential and the magnetic flux density is reported for a better understanding of the method.

Original languageEnglish
Title of host publicationProceedings of the 2020 International Conference on Electrical Machines, ICEM 2020
Number of pages7
ISBN (Electronic)9781728199450
Publication statusPublished - 23 Aug 2020
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Electrical Machines - Virtual, Online
Duration: 23 Aug 202026 Aug 2020
Conference number: 25

Publication series

NameProceedings (International Conference on Electrical Machines)
ISSN (Print)2234-6902
ISSN (Electronic)2234-7577


ConferenceInternational Conference on Electrical Machines
Abbreviated titleICEM
CityVirtual, Online
OtherVirtual Conference


  • Dynamic field solution
  • Finite element method
  • Iron losses
  • Static field solution
  • Synchronous machine
  • Timestepping method.


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