Distributed integrated energy system integration and optimization for full-spectrum solar and hydrogen energy utilization
Existing hybrid energy systems using solar and hydrogen often face challenges such as low energy utilization efficiency and mismatches between energy supply and demand.To address these issues,a distributed integrated energy architecture for full-spectrum solar and hydrogen utilization is proposed.Considering the optimal output of solar energy,a spectral splitting window of 700-1 100 nm is established.Targeting an industrial park in Nanjing,Jiangsu Province,as the energy supply object,the study analyzed the park's hourly demand for electricity,cooling,heating,and domestic hot water over the course of a year.A system was designed,and a full-condition dynamic digital model was developed in Matlab.Simulation results showed that,compared to a reference system,the new system improved annual energy utilization efficiency by 10.43％and reduced greenhouse gas emissions by 655 660 kg,demonstrating its superior energy efficiency and environmental friendliness.The effects of solar concentrator area and thermal storage capacity on system performance were explored individually.After balancing system performance and economic costs,capacity optimization for the new system was performed,identifying an optimal configuration with a solar concentrator area of 6 000 m2 and a thermal storage capacity Nstore of 0.9.Post-optimization,the system's energy efficiency reached 29.03％,an increase of 3.56％from the initial configuration.This distributed integrated energy system,which synergistically utilizes full-spectrum solar and hydrogen energy,not only enhances energy utilization efficiency but also significantly reduces greenhouse gas emissions,offering a novel approach to achieving sustainable development goals.
full-spectrum solar energyhydrogen energy utilizationsynergistic approachintegrated energy systemspectral division windowcapacity optimizion of thermal storage devices
万方数据
维普
