Abstract

The Motor-generator Pair for Renewable Energy Integration synchronous generator, converters do not have inherent inertia which is important for frequency response. More complex interaction induced by renewable energies cause's problems of power system dynamics, for example, damping oscillation. In addition, converters cannot support high fault current, leading to a limitation of some existing control schemes during transient events. However, compared with converters, the synchronous generator has some advantages to solve the problems mentioned above. Therefore, this study proposes a synchronous motor-generator pair (MGP) system as a possible grid-connection way for high penetration of renewable energies to improve stability.

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