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Modeling of a PMSynRel stator with concentrated windings using FEM and non-linear reluctance networks
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
2013 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Permanent magnets synchronous reluctance (PMSynRel) motors are attractive due to their

high torque density and because a lower quantity of permanent magnets is necessary in

comparison with other permanent magnet machines. This thesis deals with the analysis of

PMSynRel machines using a finite element method (FEM) and reluctance networks.

First, a PMSynRel machine model is built in order to carry out simulations using

a finite element method package. The effect of different design parameters such as the

combination of the number of poles and slots, the number of flux barriers or the number

of magnets can be studied since the implementation provides the possibility to change

those variables.

Next, a reluctance networks model, aimed to enable lower computation times than

corresponding finite element models, is implemented for analysing the flux density distributions

along the air gap of the machine disregarding the magnetic influence of the

rotor. Finally, the results are compared with FEM simulations. It is concluded that the

agreement reached is satisfactory in most of the cases analysed.

Place, publisher, year, edition, pages
2013. , 76 p.
EES Examensarbete / Master Thesis, XR-EE-E2C 2013:002
Keyword [en]
Concentrated windings, finite element analysis, numerical analysis, permanent-magnet synchronous reluctance machine, reluctance networks
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-124543OAI: diva2:636248
Subject / course
Electrical Machines and Drives
Educational program
Master of Science in Engineering - Electrical Engineering
Available from: 2013-07-10 Created: 2013-07-09 Last updated: 2013-07-10Bibliographically approved

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