H∞ current control strategy for the neutral point of a three-phase inverter

In this paper, an H∞ current controller is proposed to maintain a balanced neutral point for a three-phase four-wire inverter, which can be used in microgrid applications. The neutral-point circuit consists of a conventional neutral leg and a split DC link. The neutral point is balanced with respect to the two DC source terminals (as required, e.g., in… CONTINUE READING