Weighted Control of Traction Drives With Parallel-Connected AC Machines
Bouscayrol, A.; Pietrzak-David, M.; Delarue, P.; Pena-Eguiluz, R.; Vidal, P.-E.; Kestelyn, X.
Industrial Electronics, IEEE Transactions on
Volume 53, Issue 6, Dec. 2006 Page(s):1799 - 1806
Digital Object Identifier   10.1109/TIE.2006.885106
Summary: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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