Feedforward decoupling control method in grid-interfaced inverter

Publication Type:
Conference Proceeding
2013 Australasian Universities Power Engineering Conference, AUPEC 2013, 2013
Issue Date:
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Recently, microgrid has been studied and applied widely all over the world. More and more experimental microgrids are being connected to the utility grid. This paper presents an improvement in the real and reactive power control of three-phase grid-interfaced inverter for microgrid applications. Based on the traditional PI feedback current control, the desirable values of P and Q can be achieved by controlling the currents in d-q stationary frame. Moreover, the feedforward control method also brings some advantages to the systems such as higher reliability and enhanced stability. One of the most important improvements is to decouple the real and reactive power, i.e. P and Q are controlled separately. In this paper, the controller with feedforward algorithm has been simulated and shows some promiscuous results. © 2013 Australasian Committee for Power Engineering (ACPE).
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