XIX Sympozjum Srodowiskowe PTZE - materialy.pdf
XIX Sympozjum Srodowiskowe PTZE - materialy.pdf
XIX Sympozjum Srodowiskowe PTZE - materialy.pdf
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<strong>XIX</strong> <strong>Sympozjum</strong> <strong>PTZE</strong>, Worliny 2009<br />
WINDING DESIGN OF CORELESS STATOR AXIAL FLUX<br />
PERMANENT MAGNET SYNCHRONOUS MACHINES<br />
Peter Virtič 1 , Peter Pišek 1 , Bojan Štumberger 2,1 , Miralem Hadžiselimović 2,1 ,<br />
Tine Marčič 1 , Zdravko Praunseis 2<br />
1 TECES, Pobreška cesta 20, SI-2000 Maribor, Slovenia, e-mail: peter.virtic@teces.si<br />
2 University of Maribor, Faculty of Energy Technology, Hočevarjev trg 1, SI-8270 Krško, Slovenia,<br />
Faculty of Electrical Engineering and Computer Science,<br />
Smetanova ulica 17, SI-2000 Maribor, Slovenia, e-mail: bojan.stumberger@uni-mb.si<br />
Introduction<br />
Axial flux permanent magnet synchronous machines (AFPMSMs) which are also called disc<br />
machines, in many cases replace their radial flux cylindrical shaped counterparts. Disc-shaped<br />
AFPMSMs can be built into the applications, where conventional machines cannot be applied<br />
due to the lack of space in the axial direction. With the appropriate design including housing<br />
adjusted to particular application the AFPMSM can reach very high power density and<br />
compact construction. In contrast to radial flux machine the AFPMSMs can be designed as<br />
single or double sided, with double external stator or rotor and single or multiple stators and<br />
rotors on the same shaft. Internal stator of double sided AFPMSM can be designed with iron<br />
core or entirely without the iron. In this paper the double sided AFPMSM topology with<br />
coreless stator is presented (Fig. 1) and the influence of two winding designs (Fig. 2) on static<br />
characteristics of coreless stator AFPMSM are investigated. The characteristics of AFPMSM<br />
have been calculated by using analytical method via magnetic vector potential and verified by<br />
finite element method (FEM) and measurements. The verification with FEM and<br />
measurements will be presented in full version of this paper.<br />
Fig. 1. Topology of double sided coreless stator AFPMSM.<br />
As distinguished from the AFPMSM with stator iron the torque of coreless stator AFPMSM<br />
depends mainly on the amount of copper in AFPMSM. Moreover, the AFPMSM<br />
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