Hybrid Energy Storage System Dispatch Optimization for Cost and Environmental Impact Analysis

被引:0
|
作者
Preto, Miguel [1 ]
Lucas, Alexandre [1 ]
Benedicto, Pedro [1 ]
机构
[1] INESC Technol & Sci INESC TEC, P-4200465 Porto, Portugal
关键词
hybrid energy storage systems; vanadium batteries; optimize; battery degradation; emission reduction; INTEGRATION; MODEL;
D O I
10.3390/en17122987
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Incorporating renewables in the power grid presents challenges for stability, reliability, and operational efficiency. Integrating energy storage systems (ESSs) offers a solution by managing unpredictable loads, enhancing reliability, and serving the grid. Hybrid storage solutions have gained attention for specific applications, suggesting higher performance in some respects. This article compares the performance of hybrid energy storage systems (HESSs) to a single battery, evaluating their energy supply cost and environmental impact through optimization problems. The optimization model is based on a MILP incorporating the energy and degradation terms. It generates an optimized dispatch, minimizing cost or environmental impact of supplying energy to a generic load. Seven technologies are assessed, with an example applied to an industrial site combining a vanadium redox flow battery (VRFB) and lithium battery considering the demand of a local load (building). The results indicate that efficiency and degradation curves have the highest impact in the final costs and environmental functions on the various storage technologies assessed. For the simulations of the example case, a single system only outperforms the hybrid system in cases where lithium efficiency is higher than approximately 87% and vanadium is lower approximately 82%.
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页数:15
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