Improved performance of Direct Torque Control of Induction Machine with 3-level Neutral Point Clamped multilevel inverter
作者： Nor Faezah Alias , Auzani Jidin , Mohd Azmi Said , Abdul Rahim Abdullah , Hatta Jopri
DOI: 10.1109/ICEMS.2013.6713188
关键词:
摘要: A 3-Level Neutral Point Clamped (NPC) Multilevel Inverter was implemented to improve the performance of Direct Torque Control (DTC) Induction Machine. Larger torque ripple and variable switching frequencies are known as major problems in DTC induction machine. This paper aims propose a suitable voltage vector selection provide better regulation frequency which consequently minimize problems. simple strategy proposed using 7-level hysteresis 2-level flux controllers give more options selecting an appropriate vector, inherently, according motor operating conditions. The improvements offered were verified through simulations.
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