Themistoklis Kefalas

Latest publications

• Overview on Permanent Magnet Motor Trends and Developments

  Vlachou, V. I., Sakkas, G. K., Xintaropoulos, F. P., Pechlivanidou, M. S. C., Kefalas, T. D., Tsili, M. A. & Kladas, A. G., Jan 2024, In: Energies. 17, 2, 538.

  Research output: Contribution to journal › Review Article › peer-review

• SPMMs and Enclosures Steady Heat Transfer Modeling Utilizing a 3-D Finite Element Partitioning Technique

  Kefalas, T. D. & Kladas, A. G., 2024, 2024 International Conference on Electrical Machines, ICEM 2024. IEEE, (Proceedings (International Conference on Electrical Machines)).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Evaluation of Static Magnetic Fields Produced by Magnetic Floors Composed of Strontium Ferrite Powder Utilized in the Construction Industry

  Magdaleno-Adame, S. & Kefalas, T. D., Apr 2019, In: IEEE Transactions on Magnetics. 55, 4, 8657714.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Comparative study of grain oriented and non-oriented electrical steels in magnetic shunts of power transformers

  Magdaleno-Adame, S., Kefalas, T. D., Fakhravar, A. & Olivares-Galvan, J. C., 2 Jul 2018, 2018 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2018. Institute of Electrical and Electronics Engineers Inc., 8661396. (IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC ).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• FE-Based application for the evaluation of core-losses in distribution transformers

  Kefalas, T. D. & Magdaleno-Adame, S., 24 Oct 2018, 2018 XIII International Conference on Electrical Machines (ICEM). Institute of Electrical and Electronics Engineers Inc., p. 2393-2399 7 p. 8507043. (Proceedings (International Conference on Electrical Machines)).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Techno-economic comparative evaluation of mixed and conventional magnetic wound cores for three-phase distribution transformers

  Kefalas, T. D. & Magdaleno-Adame, S., Feb 2018, In: Electric Power Systems Research. 155, p. 331-339 9 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Application of pseudo-cooling boundary conditions combined with electromagnetic and thermal weak coupling for the analysis of highly integrated aerospace actuators

  Kefalas, T. D. & Kladas, A. G., 6 Oct 2017, 2017 IEEE 11th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED). Institute of Electrical and Electronics Engineers Inc., p. 195-200 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Electromagnetic finite element analysis of electrical steels combinations in lamination core steps of single-phase distribution transformers

  Magdaleno-Adame, S., Kefalas, T. D., García-Martínez, S. & Perez-Rojas, C., 1 Jul 2017, 2017 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2017. IEEE, p. 1-5 5 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• 3–D FEM and lumped–parameter network transient thermal analysis of induction and permanent magnet motors for aerospace applications

  Kefalas, T. D. & Kladas, A. G., 2016, Applied Electromagnetic Engineering for Advanced Materials from Macro- to Nanoscale. Mamalis, A. G., Kladas, A. G., Enokizono, M. & Lazarov, V. (eds.). Trans Tech Publications Ltd, p. 245-250 6 p. (Materials Science Forum; vol. 856).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

• Transient heat transfer analysis of housing and PMM using 3-D FE code

  Kefalas, T. D. & Kladas, A. G., 2 Nov 2016, 2016 XXII International Conference on Electrical Machines (ICEM). Institute of Electrical and Electronics Engineers Inc., p. 2745-2751 7 p. 7732910. (Proceedings (International Conference on Electrical Machines)).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review