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27 results on '"Ibala, Amina"'

10. MEC-Based Modelling of Claw Pole Machines:Application to Automotive and Wind Generating Systems

Author

IBALA, Amina, REHBİ, Rabeb, and MASMOUDİ, Ahmet

Subjects
claw pole machine, automotive and wind generating systems, magnetic equivalent circuit, Newton-Raphson algorithm, validation, finite element analysis
Abstract

The paper deals with the development and the finite element validation of the magnetic equivalent circuits (MECs) of three claw pole topologies. These are considered as viable candidates for automotive and wind generating applications. The first concept is the conventional claw pole alternator, the second claw pole topology has a DC-excitation winding in the stator, rather than in the rotor in conventional machine, and the third claw pole concept is a one-phase machine with claw pole in the stator and PM excitation in the rotor. The proposed MECs consider both no-load and loaded armature operations. It also accounts for the saturation of the magnetic circuit. The resolution of the established MECs is carried out using the Newton-Raphson algorithm. A validation of the proposed MECs is achieved considering a comparison between their results and those yielded by 3D finite element analysis.

Published
2016

27. An attempt to improve the sizing of a hybrid excited brushless claw pole alternator.

Author

Rebhi, Rabeb, Ibala, Amina, and Masmoudi, Ahmed

Subjects
*BRUSHLESS electric motors, *ALTERNATING current generators, *FINITE element method, *RENEWABLE energy sources, *AUTOMOBILE industry
Abstract

Purpose – This paper aims at the improvement of the generating capability of a hybrid excited brushless claw pole alternator (HEBCPA). Design/methodology/approach – Following the identification of the HEBCPA influent sizing parameters, the investigation of their impact on the back-EMF production capability is carried out considering a 3D-finite element analysis (FEA). Findings – The HEBCPA Back-EMF production capability is highly affected by the variation of the influent sizing parameters. A selected combination of these parameters has led to an optimized generating capability. Research limitations/implications – An experimental validation of the generating performance computed by 3D-FEA shall be treated in the future. Practical implications – The optimized HEBCPA is of great interest for the automotive applications as well as for wind energy generating systems. Originality/value – The optimized HEBCPA is a new concept that has been proposed by the authors in a recent work. [ABSTRACT FROM AUTHOR]

Published
2013
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