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Equivalent Circuit Parameter Identification of Six-Phase Reluctance DC Machine Using Finite Element Method

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2 Author(s)
E. T. Rakgati ; Dept of Electrical & Electronic Engineering, University of Botswana, Gaborone, Botswana ; M. J. Kamper

Abstract-In this paper a per phase equivalent circuit model of the reluctance DC machine is investigated. The equivalent circuit parameters are identified through finite element analysis for both no-load and load conditions. The model is verified by comparing, amongst other things, the torque calculated from the determined equivalent circuit with the torque calculated by the finite element Maxwell stress tensor method and the measured static torque of a 35 kW reluctance DC machine drive. It is shown that the equivalent circuit parameters are severely affected by the phase current commutation under full load and the armature reaction effect.

Published in:

2007 IEEE International Electric Machines & Drives Conference  (Volume:2 )

Date of Conference:

3-5 May 2007