Conductor optimization for slotless PM machine

Conference Paper (2011)
Author(s)

A Borisavljevic (TU Delft - Electrical Power Processing)

H Polinder (TU Delft - Electrical Power Processing)

Braham Ferreira (TU Delft - Electrical Power Processing)

Research Group
Electrical Power Processing
More Info
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Publication Year
2011
Language
English
Research Group
Electrical Power Processing
Pages (from-to)
1-2

Abstract

Unlike in low-speed machines, frequency-dependent phenomena in very-high-speed machines ¿
skin- and proximity effect, eddy currents ¿ may greatly influence copper losses. To alleviate these
phenomena, parallel or stranded conductors are commonly used. Goal of the paper is to distinguish
dominant causes of copper losses in slotless PM machines and, based on modeling, to establish a method
for optimization of stator conductors ¿ number of parallel wires/strands within a phase conductor and their
diameter ¿ for a minimum copper loss. Effectiveness of the modeling and optimization approach is
evaluated using finite-element simulations.

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