DEVELOPMENT OF AN INTEGRATED HYBRID POWER SYSTEM MODEL FOR MARINE VESSELS CONSIDERING RENEWABLE ENERGY SOURCES AND ENVIRONMENTAL EFFICIENCY
DOI:
https://doi.org/10.32782/tnv-tech.2025.2.50Keywords:
maritime transport, renewable energy sources, hybrid ship, simulation, energy balance, energy efficiency, emission reduction, fuel efficiency, operational efficiency, alternative energy, MATLAB/Simulink, CO2 emissions, digital twinAbstract
The article presents the results of a simulation study of the hybrid energy system of a marine vessel with the use of renewable energy sources – solar and wind. An integrated mathematical model of the ship’s energy balance has been developed, which includes power generation from photovoltaic panels, wind rotors and a diesel engine, as well as takes into account the dynamics of battery charge and inverter losses. The modelling takes into account meteorological conditions, changes in load and vessel operation modes using the MATLAB/Simulink environment. The proposed model allows for the assessment of fuel efficiency, specific CO2 emissions, alternative energy efficiency, and the degree of decarbonisation of the power system.The results of the numerical analysis showed that the use of a solar-wind hybrid configuration can reduce fuel consumption by up to 43.1 % and reduce carbon dioxide emissions by 39.7 % compared to a traditional diesel system. An analysis of the graphs of generation fluctuations, battery charge dynamics, and changes in energy consumption was carried out, which confirms the feasibility of introducing intelligent algorithms for energy balance management. A flowchart of the research process has been constructed, which demonstrates the stages of configuration selection, parameterisation, simulation, efficiency analysis and model scaling to other types of vessels. The obtained results can be used as a basis for creating digital twins of ships, adaptive optimisation of power systems and development of energy management strategies in the context of maritime transport decarbonisation. The proposed approach is of practical importance for the shipbuilding industry, allowing it to achieve IMO environmental goals without the need for full-scale experiments.
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