Direct Torque Control of Dual Star Induction Motor

This paper describes a direct torque control (DTC) of dual star induction motor (DSIM). This machine possesses several advantages over conventional three-phase machine and is also known as the six-phase induction machine. The research has been underway for the last two decades to investigate the various issues related to the use of six-phase machine as a potential alternative to the conventional three-phase machine. Though six-phase machines have existed for some time, in the literature very few papers discuss DTC for six-phase motors. Therefore, in this work an investigation is reserved to the application of this type of control to the DSIM. The DTC uses the instantaneous values of voltage vector where each reference voltage vector is computed with a simple DTC algorithm. Finally, simulations results obtained from MatLab/Simulink are presented followed by a discussion.

[1]  F. Blaabjerg,et al.  A modified direct torque control (DTC) for induction motor sensorless drive , 1998, Conference Record of 1998 IEEE Industry Applications Conference. Thirty-Third IAS Annual Meeting (Cat. No.98CH36242).

[2]  Toshihiko Noguchi,et al.  A New Quick-Response and High-Efficiency Control Strategy of an Induction Motor , 1986, IEEE Transactions on Industry Applications.

[3]  Bachir Ghalem,et al.  Six-Phase Matrix Converter Fed Double Star Induction Motor , 2010 .

[4]  Nik Rumzi Nik Idris,et al.  Direct torque control of induction machines with constant switching frequency and reduced torque ripple , 2004, IEEE Transactions on Industrial Electronics.

[5]  Thomas M. Jahns,et al.  Improved Reliability in Solid-State AC Drives by Means of Multiple Independent Phase Drive Units , 1980, IEEE Transactions on Industry Applications.

[6]  Frede Blaabjerg,et al.  Variable-structure direct torque control - a class of fast and robust controllers for induction machine drives , 2004, IEEE Transactions on Industrial Electronics.

[7]  Sanjib Kumar Panda,et al.  Direct torque control of induction motor-variable switching sectors , 1999, Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475).

[8]  G. K. Singh, Vinay Pant,et al.  Analysis of a Multiphase Induction Machine Under Fault Condition in a Phase-Redundant A.C. Drive System , 2000 .

[9]  H. Razik,et al.  Indirect-Rotor-Field-Oriented-Control of a Double-Star Induction Machine using the RST controller , 2008, 2008 34th Annual Conference of IEEE Industrial Electronics.