Performance of a 4- switch, 3-phase inverter fed induction motor (IM) drive system using MATLAB
Journal: International Journal of Computer Techniques (Vol.4, No. 1)Publication Date: 2017-01-01
Authors : - A.Madusudhan M.Mahendran;
Page : 1-3
Keywords : Keywords — State FPGA-Field Programmable Gate Array; FSTPI- Four Switch Three Phase Inverter; IM-Induction Motor; PWM-Pulse Width Modulation; THD-Total Harmonic Distortion.;
Abstract
This project proposes the performance of a 4- switch, 3-phase inverter fed induction motor (IM) drive system for high performance industrial drive systems. In the proposed realization, instead of a usual 6-switch three-phase inverter (SSTPI) a 4-switch three-phase inverter (FSTPI) is used. A cost effective FSTPI fed IM drive using Field-Oriented-Control and Space-Vector PWM controller (with new control SVPWM approach) is implemented as a simulation model. This reduces the cost of the inverter, the switching losses, and the complexity of the control algorithms and interface circuits to generate 6 PWM logic signals. Furthermore, the proposed control approach reduces the computation for real-time implementation. In this paper, a simulation model of the drive system is developed and analyzed in order to verify the effectiveness of the approach. A performance comparison of the proposed IS3P inverter fed drive with a conventional 6S3P inverter fed drive is also mode in terms of speed response and total harmonic distortion (THI)) of the stator current. Simulation results show that the proposed drive system provides a fast speed response and good disturbance rejection capability. The designed inverter fed IM drive is found suitable considering its cost decrease.
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Last modified: 2017-12-12 12:10:03