This paper proposed independent drives of two induction motors fed by a four-leg inverter with vector control method
Up to now, the four switch inverter and four-leg inverter were researched only open-loop control. This paper was described about vector control method. This paper analyzed that the balanced three-phase current was derived with vector control method.
The compensation method of the neutral point potential fluctuation was also derived under the vector control.
Moreover, the effectiveness of the compensation method and the independent drives of two motors fed by a four-leg
inverter were supported by the experimental results. Also, in case of changing value of capacitance of capacitors to 3300