Microgrid with hydrogen storage is an effective way to integrate renewable energy and reduce carbon emissions. This paper proposes an optimal operation method for a microgrid with hydrogen storage. The electrolyzer efficiency characteristic model is established based on the linear interpolation method. The optimal operation model of microgrid is incorporated with the electrolyzer efficiency characteristic model. The sequential decision-making problem of the optimal operation of microgrid is solved by a deep deterministic policy gradient algorithm. Simulation results show that the proposed method can reduce about 5% of the operation cost of the microgrid compared with traditional algorithms and has a certain generalization capability.
According to the definition of the ship energy efficiency operation index (EEOI), mathematical statistics tests are used to analyze the impact of various impact factors on the actual ship carbon emissions (including fuel type, fuel consumption, cargo volume and shipping mileage), proposing effective measures to reduce carbon emissions from perspective of operational management.
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