A Risk Evaluation Method of Ship Micro Grid with Distributed Generations

Abstract

This paper proposes a risk evaluation method for ship micro grid with distributed generations. Firstly, a unit risk evaluation method is proposed, including the evaluation system establishment principle, calculation method of component risk parameters and index weight. Secondly, according to the risk evaluation method, the risk evaluation model of ship micro grid is established. After that, taking an actual ship micro grid as an example, the simulation is carried out under the conditions of strong illumination with wind and weak illumination with no wind. Finally, the simulation results show that PV and Wind power can improve the robustness of ship micro grid under power fluctuations, reduce the risk occurrence probability and expected demand not supplied of ship micro grid. This is consistent with the actual situation of ship micro grid, and verifies the correctness of the method.