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Injection of both positive and negative sequence currents is desirable for three-phase voltage source converters under unbalanced grid fault condition. However, the 2nd order oscillation exists in the positive and negative sequence synchronous reference frame. Several approaches have been reported to cope with this 2nd order oscillation. In this paper, a simple yet efficient control method in double...
This paper proposes a new seamless operation scheme for a stand-alone power system, which has a battery energy storage system (BESS), photo voltaic (PV) panels, and an engine generator (EG) to supply electric power to the customers in remote islands. The proposed scheme offers smooth operation change of the BESS from the current control to the voltage control or vice versa when the EG is connected...
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