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Improved Performance of Direct Torque Control of Induction Machine with 3-Level Neutral Point Clamped Multilevel Inverter

Alias, Nor Faezah and Jidin , Auzani and Said, Mohamed Azmi and Abdullah, Abdul Rahim and JOPRI, MOHD HATTA and Rahim, Nor Hidayah (2013) Improved Performance of Direct Torque Control of Induction Machine with 3-Level Neutral Point Clamped Multilevel Inverter. In: Power Engineering and Optimization Conference (PEOCO), 2013 IEEE 7th International, 3 june 2013, Langkawi Island, Malaysia.

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Abstract

A 3-Level Neutral Point Clamped (NPC)Multilevel Inverter was implemented to improve the performance of Direct Torque Control (DTC) of Induction Machine. Larger torque ripple and variable switching frequencies are known as the major problems in DTC of induction machine. This paper aims to propose a suitable voltage vector selection to provide better torque regulation and switching frequency which consequently minimize the major problems. A simple switching strategy was proposed using 7-level torque hysteresis and 2-level flux hysteresis controllers to give more options in selecting an appropriate voltage vector, inherently, according the motor operating conditions. The improvements offered were verified through simulations.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Power Electronics & Drives
Depositing User: Dr Auzani Jidin
Date Deposited: 27 May 2014 10:45
Last Modified: 28 May 2015 04:25
URI: http://eprints.utem.edu.my/id/eprint/12508

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