Improvement the Current Control Methods for Three Phase Voltage Source Inverter to Drive the Permanent Magnet Synchronous Motor
Hamdy Mohamed Soliman1, S. M. EL. Hakim2
1Hamdy Mohamed Soliman, General Manger in Cairo Merto Gereater, Hellwan, Egypt.
2S. M.EL. Hakim, Department of Electrical Power and Machines Engineering, Cairo University, Engineering College, Giza, Egypt.
Manuscript received on September 12, 2012. | Revised Manuscript received on October 01, 2012. | Manuscript published on October 30, 2012. | PP: 53-61 | Volume-2 Issue-1, October 2012.  | Retrieval Number: A0730092112 /2012©BEIESP

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Abstract: Three phase pluse width modelation voltage soruce inverter are widly used in many industrial application such as the drive system. The performance of the drive systems depend up on the motor control and method of control in power converter. From the most important methods to control the power converter are current and voltage controls. The current control is preferable. This is because it is simple. The quality control of this method depends upon the quality of the waveform is generated by current controlled of converter. This paper aims to improve the performance of Ac drives through the improvement the different methods of the current controlled. Here the classical hysteresis controller, ramp type controller and delta modulator controller are discussed and improvement by general design of PI current controller for each phase. The improvement can be seen through the torque ripple and total harmonic distortion. The proposed model is compared to classical model to show the effectiveness of the proposed model. This work is simulated through matlab simulink.
Keywords: Hysteresis Controller, Delta Modulator Controller, Ramp Type Controller, Matlab Simulink.