Inverse modelling and pulsating torque minimization of salient pole non-sinusoidal synchronous machines

Sinusoidal motor's mathematical models are usually obtained using classical d– q transformation in the case of salient pole synchronous motors having sinusoidal field distribution. In this paper, a new inverse modelling for synchronous motors is presented. This modelling is derived from the pro...

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Published in:Electric power systems research 2008, Vol.78 (1), p.88-96
Main Authors: Ait-gougam, Y., Ibtiouen, R., Touhami, O., Louis, J.-P., Gabsi, M.
Format: Article
Language:English
Subjects:
Applied sciences
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Inverse modelling
Miscellaneous
Non-sinusoidal flux distribution
Optimization
Permanent magnet synchronous motor
Regulation and control
Torque ripples
Transformers and inductors
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cited_by cdi_FETCH-LOGICAL-c392t-e2eaec322a6f8eb0a3798b41ac4109ece3c89e6450e855bcd068345e09fdaaef3
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container_issue 1
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container_title Electric power systems research
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creator Ait-gougam, Y.
Ibtiouen, R.
Touhami, O.
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Gabsi, M.
description Sinusoidal motor's mathematical models are usually obtained using classical d– q transformation in the case of salient pole synchronous motors having sinusoidal field distribution. In this paper, a new inverse modelling for synchronous motors is presented. This modelling is derived from the properties of constant torque curves in the Concordia's reference frame. It takes into account the non-sinusoidal field distribution; EMF, self and mutual inductances having non-sinusoidal variations with respect to the angular rotor position. Both copper losses and torque ripples are minimized by adapted currents waveforms calculated from this model. Experimental evaluation was carried out on a DSP-controlled PMSM drive platform. Test results obtained demonstrate the effectiveness of the proposed method in reducing torque ripple.
doi_str_mv 10.1016/j.epsr.2007.01.003
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subjects Applied sciences
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Inverse modelling
Miscellaneous
Non-sinusoidal flux distribution
Optimization
Permanent magnet synchronous motor
Regulation and control
Torque ripples
Transformers and inductors
title Inverse modelling and pulsating torque minimization of salient pole non-sinusoidal synchronous machines
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