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Journal > International Journal of Power Electronics and Drive Systems (IJPEDS) > Improved Torque Control Performance of Direct Torque Control for 5-Phase Induction Machine

 

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International Journal of Power Electronics and Drive Systems (IJPEDS)
Vol 3, No 4: December 2013
Improved Torque Control Performance of Direct Torque Control for 5-Phase Induction Machine
Lourdes Victor Raj, Logan Raj ( Universiti Teknikal Malaysia Melaka)
Jidin, Auzani ( Universiti Teknikal Malaysia Melaka (UTeM))
Abdul Karim, Kasrul ( Universiti Teknikal Malaysia Melaka (UTeM))
Sutikno, Tole ( Universitas Ahmad Dahlan)
Sundram, R. ( Universiti Teknikal Malaysia Melaka (UTeM))
Jopri, Mohd Hatta ( Universiti Teknikal Malaysia Melaka (UTeM))
Article Info   ABSTRACT
Published date:
01 Dec 2013
 
In this paper, the control of five-phase induction machine using Direct Torque Control (DTC) is presented. The general D-Q model of five-phase induction machine is discussed. The de-coupled control of stator flux and electromagnetic torque based on hysteresis controller similar to conventional DTC is applied to maintain the simplicity of the system. Three sets of look-up tables consist of voltage vectors with different amplitude that selects the  most optimal voltage vectors according motor operation condition is proposed. This provides excellent torque dynamic control, reduces torque ripple, lower switching frequency (high efficiency) and extension of constant torque. Simulation results validate the improvement achieved.
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