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A space-vector pulse width modulation (SVPWM) switching strategy is described in this paper. A four-level voltage waveform using open-end winding configuration of an induction motor is obtained by using this strategy. Two unequal DC-link voltages, which are in the ratio of 2∶1 are used to generate the SVPWM based four level voltage wave forms. The proposed algorithm does not employ any look-up tables...
Multilevel inverters have gained interest in recent years in high-power medium-voltage industry. This paper considered the most popular structure among the transformer-less voltage source multilevel inverters, the diode-clamped inverter based on the neutral point converter. This paper use conventional switching sequence and optimum switching sequence of SVPWM technique. Simulation results presents...
A new method to reduce the torque ripple and current harmonics is presented in this paper. A conventional 2 level inverter is fed with two inductor boost converter to drive the induction motor. A Hybrid Pulse Width Modulation (HPWM) algorithm is being used to generate the pulses for the 2 level inverter. In proposed hybrid PWM both continuous PWM and discontinuous PWM techniques are employed. This...
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