Stator Winding Second-Order Thermal Model including End-Winding Thermal Effects

Aldo Boglietti, Fabio Mandrile, Enrico Carpaneto, Mircea Popescu, Sandro Rubino and David Staton
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Aldo Boglietti: Dipartimento Energia “G. Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Fabio Mandrile: Dipartimento Energia “G. Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Enrico Carpaneto: Dipartimento Energia “G. Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Mircea Popescu: Motor Design Ltd., Edison Court, 5 Wrexham Technology Park, Wrexham LL13 7YT, UK
Sandro Rubino: Dipartimento Energia “G. Ferraris” (DENERG), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
David Staton: Motor Design Ltd., Edison Court, 5 Wrexham Technology Park, Wrexham LL13 7YT, UK

Energies, 2021, vol. 14, issue 20, 1-16

Abstract: This paper proposes a second-order thermal model for electrical machines. The goal of this model is the prediction of the average winding temperature during short and long thermal transients up to the steady-state conditions. First, the thermal parameters of the electrical machine are determined by a DC test. Then, the proposed model is characterized and validated using AC tests. The accuracy of the proposed thermal model has been verified comparing the computed temperatures with the measured ones. The maximum error found during the thermal transient is lower than 3%, an excellent result comparing the complexity of a total enclosed fan cooled induction motor and the simplicity of the proposed model.

Keywords: winding thermal model; lumped parameter thermal network; thermal analysis; thermal network calibration (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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