Simple Dynamic Overmodulation Strategy for Fast Torque Control in DTC of Induction Machines with Constant Switching Frequency Controller

Jidin , Auzani (2010) Simple Dynamic Overmodulation Strategy for Fast Torque Control in DTC of Induction Machines with Constant Switching Frequency Controller. In: IEEE Industry Applications Society Annual Meeting (IAS), 2010, 3-7 Oct. 2010, Houston, TX, United States of America.

PDF paper_Simple_Dynamic_Overmodulation_Strategy_for_Fast_Torque_Control_in_DTC_of_Induction_Machines_with_Constant_Switching_Frequency_Controller.pdf - Published Version Restricted to Registered users only Download (554kB) | Request a copy

Abstract

This paper presents a simple dynamic overmodulation method to obtain a fast dynamic torque response in DTC of induction machines with constant switching frequency controller. A fast dynamic torque response can be obtained by switching only the most optimized voltage vector during torque dynamic condition. The optimized voltage vector can be identified by comparing the rate of change of torque produced between applications of two possible active voltage vectors, according to the flux position. The selection of the optimized voltage vector can be simply implemented by modifying the flux error status before it is being fed to the look-up table. It will be shown that, the proposed switching strategy facilitates the DTC to perform under six-step mode to achieve the fastest dynamic torque response. The effectiveness of the proposed dynamic overmodulation to obtain the fast torque response is verified with some experimental results.

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:	19 Jul 2013 01:29
Last Modified:	28 May 2015 03:59
URI:	http://eprints.utem.edu.my/id/eprint/8760
Statistic Details:	View Download Statistic

Actions (login required)

View Item