A novel hybrid optimization framework for sizing renewable energy systems integrated with energy storage systems with solar photovoltaics, wind, battery and electrolyzer-fuel cell

被引:89
作者
Medghalchi, Zahra [1 ]
Taylan, Onur [1 ,2 ]
机构
[1] Middle East Tech Univ, Dept Mech Engn, TR-06800 Ankara, Turkiye
[2] Middle East Tech Univ, Ctr Solar Energy Res & Applicat ODTU GUNAM, TR-06800 Ankara, Turkiye
关键词
Battery; Electrolyzer-Fuel Cell; Hybrid systems; PV & wind systems; PSO optimization; GA optimization; PARTICLE SWARM OPTIMIZATION; HYDROGEN;
D O I
10.1016/j.enconman.2023.117594
中图分类号
O414.1 [热力学];
学科分类号
摘要
This study proposes a novel approach to evaluate the integration of solar photovoltaic (PV) and wind turbine renewable energy systems (RES) with Electrolyzer-Fuel Cell Energy Storage System (EFCS) and Battery Energy Storage System (BESS). The objective is to minimize the weighted average cost of energy (waCOE) while maintaining a specific renewable energy fraction (F-RES). To achieve this objective, a new hybrid optimization system that combines Particle Swarm Optimization (PSO) and Genetic Algorithm (GA) is proposed to simultaneously optimize the capacity of PV, wind turbine, battery, electrolyzer, hydrogen tank, and fuel cell, which makes it a complex and nonlinear optimization problem. The proposed method produces more practical outcomes by implementing some constraints on PSO and strengthens its ability to exploit optimization opportunities. Six scenarios representing different integrated systems are investigated and compared technically and economically, including PV + BESS, PV + EFCS, Wind + BESS, Wind + EFCS, PV + Wind + BESS, and PV + Wind + EFCS. A case study is conducted on a university campus situated on a Mediterranean island, where electricity production relies on imported fossil fuel. The findings indicate that a PV-wind hybrid system consisting of a 1.15 MW wind turbine, a 2.89 MW PV, and a 2.31 MWh BESS has the lowest waCOE of 0.1838 euro/kWh. This system is capable of providing a demand-supply fraction (DSF) of 44.63% with a FRES of 60.1%. The study found that a hybrid system consisting of PV and wind turbines showed promise in the examined region due to their complementary characteristics. Additionally, combining various RES with BESS with approximately 33-35% lower waCOE was found to be more economically viable and resulted in 16-20% higher DSF compared to EFCS.
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页数:16
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