Title :
Estimation of equivalent thermal parameters of electrical windings
Author :
Simpson, N. ; Mellor, P.H. ; Wrobel, R.
Author_Institution :
Univ. of Bristol, Bristol, UK
Abstract :
The equivalent bulk thermal properties of electrical winding samples are measured experimentally. An analytical relation and a finite element thermal model of the conductor and insulation amalgam are compared with the test results. The thermal parameters are verified by the construction and dc test of three air-cored inductors with differing material configurations. The finite element implementation allows the effects of conductor placement, dimensions, and insulation system to be studied and facilitates an initial estimate of the thermal properties of a winding employed in an electrical machine design.
Keywords :
conductors (electric); finite element analysis; inductors; machine insulation; machine theory; machine windings; thermal analysis; DC test; air cored inductor; conductor dimensions; conductor placement; conductor thermal model; electrical machine design; electrical windings; equivalent bulk thermal properties; equivalent thermal parameter; finite element thermal model; insulation amalgam; insulation system; machine winding; Conductivity; Conductors; Heating; Insulation; Materials; Thermal conductivity; Windings; Electrical Winding Modelling; Equivalent Thermal Properties; Thermal Property Measurement;
Conference_Titel :
Electrical Machines (ICEM), 2012 XXth International Conference on
Conference_Location :
Marseille
Print_ISBN :
978-1-4673-0143-5
Electronic_ISBN :
978-1-4673-0141-1
DOI :
10.1109/ICElMach.2012.6350044
