Volume 10, Issue 4 (2011)                   MJEE 2011, 10(4): 73-86 | Back to browse issues page

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Arasteh M, Rahmati A, Abrishamifar S A, Farhangi S. 24-Sector Direct Torque Control for Multilevel Drives. MJEE 2011; 10 (4) :73-86
URL: http://mjee.modares.ac.ir/article-17-4816-en.html
24-Sector Direct Torque Control for Multilevel Drives
Mohammad Arasteh 1, Abdoreza Rahmati1 , Seyed adib Abrishamifar1 , Shahrokh Farhangi2
1- Iran University of Science and Technology
2- Faculty of Eng., University of Tehran
Abstract:   (9775 Views)
This paper gives a detailed analysis of direct torque control (DTC) strategy in a five-level drive and proposes a 24-sector switching table. The overvoltage problem due to high dv/dt is reduced compared to the 12-sector DTC. Using all vectors leads to better flexibility and reduces speed oscillations. Simulation and experimental results for a 3kVA prototype confirm the proposed solutions. A TMS320F2812 is used to implement the above strategy.
Keywords: Direct torque control, switching table, Multilevel Drive, Flying Capacitor Inverter, Stator Overvoltage
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Received: 2010/09/22 | Accepted: 2011/01/21 | Published: 2011/04/20
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