Weighted Control of Traction Drives With Parallel-Connected AC Machines |
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Authors: | Bouscayrol A. Pietrzak-David M. Delarue P. Pena-Eguiluz R. Vidal P.-E. Kestelyn X. |
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Affiliation: | Lille I Univ., Villeneuve d'Ascq; |
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Abstract: | AC machines supplied in parallel by a common voltage source inverter are sometimes used in industrial drives and railway traction applications. This reduction of power and control electronics leads to a reduction of cost, weight, and dimensions that is very useful for on-board systems. But this common supply imposes common voltages to all machines and the possibilities of independent behavior are reduced. In this paper, a graphical modeling is suggested to model such parallel drives for a railway application. A weighted control is then systematically deduced from this modeling and different possibilities of control are highlighted. Experimental results are provided to compare two of the deduced controls |
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