Study of iron saturation in Brushless Doubly-Fed induction machines

Author

Abdi, Ehsan ; Malliband, Paul ; McMahon, Richard

Author_Institution

Electr. Eng. Div., Cambridge Univ., Cambridge, UK

fYear

2010

fDate

12-16 Sept. 2010

Firstpage

3501

Lastpage

3508

Abstract

This paper presents an analytical modelling approach for the Brushless Doubly-Fed Machine (BDFM) taking iron saturation into account. A generalised coupled-circuit model is developed which considers stator and rotor teeth saturation effects. A method of calculating the machine inductance parameters is presented which can be implemented in time-stepping simulations. The model has been implemented in MATLAB/Simulink and verified by Finite Element analysis and experimental tests. The tests are carried out on a 180 frame size BDFM. Flux search coils have been utilised to measure airgap and teeth flux densities.

Keywords

air gaps; asynchronous machines; brushless machines; finite element analysis; inductance; rotors; stators; MATLAB; Simulink; airgap; brushless doubly-fed induction machines; coupled-circuit model; finite element analysis; flux search coils; iron saturation; machine inductance parameters; rotor teeth saturation; stator teeth saturation; Coils; Inductance; Mathematical model; Rotors; Stator windings; Teeth; Brushless doubly-fed machine; Coupled-circuit model; Inductance calculation; Iron saturation;

fLanguage

English

Publisher

ieee

Conference_Titel

Energy Conversion Congress and Exposition (ECCE), 2010 IEEE

Conference_Location

Atlanta, GA

Print_ISBN

978-1-4244-5286-6

Electronic_ISBN

978-1-4244-5287-3

Type

conf

DOI

10.1109/ECCE.2010.5618301

Filename

5618301