Research On Multi-scenario Optimal Operation Of Ship Energy Supply System Based On Multi-energy Coordination

With the rapid development of the world economy,energy consumption is increasing day by day,which has led to the energy crisis and rising energy prices,which have attracted more and more attention from the shipbuilding industry.The traditional ship energy supply system cannot meet the requirements of sustainable development.Reasonable optimization of the ship energy supply system to solve the problems of low energy utilization and serious environmental pollution is the inevitable development direction of the current ship industry.Green ships will be in the near future.It will replace traditional ships in the future.In view of the shortcomings of the existing ship energy supply system,the ship energy supply system is optimized by establishing a ship multi-energy micro-grid system to comprehensively utilize the ship energy,reducing the operating cost of the ship,and improving the energy utilization rate of the ship energy supply system.Reduce the emission of polluting gases.This paper draws on the concept of urban multi-energy micro-grid,considers the load demand of ships,and studies and analyzes the structure of the ship’s multi-energy micro-grid system.The system includes power-side energy supply equipment,life-side power supply equipment,heating equipment,cooling equipment,and storage.Can equipment.By establishing the architecture model of the ship’s multi-energy micro-grid system,briefly introduce the operating characteristics of each component equipment,and establish the mathematical model of each unit in the ship’s multi-energy micro-grid energy supply system to optimize the configuration of the ship’s multi-energy micro-grid energy supply system later And provide a theoretical basis for optimized operation.Aiming at the optimal configuration of the ship’s multi-energy micro-grid system.First,analyze the load characteristics of the ship’s multi-energy micro-grid,and study the load demand of the ship in the three different typical seasons of spring,summer and winter in different periods of 0-24h;then,establish the optimal configuration model of the ship’s multi-energy micro-grid based on Under the multi-objective of investment cost and system equipment use space,considering the ship energy balance and equipment output constraints,the particle swarm algorithm is used to solve the optimal configuration model;finally,the optimal configuration result of the energy supply equipment capacity in the ship’s multi-energy micro-grid system is obtained,and Make a comparative analysis on it.This academic dissertation aims at the optimization operation of the ship’s multi-energy microgrid energy supply system.Based on the optimized capacity configuration results of the ship’s multi-energy micro-grid system obtained in Chapter 3,first study the optimal operation strategy of the ship’s multi-energy micro-grid system,and construct an optimized operation model of the energy supply system,considering the ship’s multi-energy micro-grid system.The economic and energy efficiency of the operation of the power grid system,taking the daily operating cost and primary energy consumption of the ship’s multi-energy micro-grid system as multiple objective functions,the improved particle swarm algorithm is used to solve the model,and finally the ship’s multi-energy micro-grid power supply is obtained.The optimization results of different operating schemes of the system in three scenarios of spring,summer and winter,and comparative analysis of the schemes.