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Separately Modeling of a Five-Phase Series Connected Two- Induction Motor with Completely Decoupled Operation

Author(s): Mohsen Ahmadi | Mehrdad Jafarboland | GHolamreza Arab markade

Journal: Majlesi Journal of Electrical Engineering
ISSN 2008-1413

Volume: 1;
Issue: 1;
Start page: 7;
Date: 2007;
Original page

Keywords: Series-Connected Motors | Five-Phase Inverter | Rotating reference frame | Five-Phase Induction machine

It has been shown recently that in many industrial factories, for example rolling and looming, single controller and drive must control a number of multi-phase machines simultaneously. The major difficulty in utilizing this approach is using common single controller for two motors. The most recent solution for this problem is to serialize the stator windings in an appropriate manner. Replacing three-phase machines with multi-phase ones opens the way to implement this method. In addition, a number of multi-phase machines can be controlled independently, by a suitable drive switching. In this paper, a new modeling method is presented to models these two machines separately. Then, every machine has been simulated in any arbitrary reference frame. Finally, the two methods are compared and the simulation results evince the advantages of the suggested method. Furthermore, designing a controller in separate models alleviates the design burden in comparison to previous methods.
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