考虑风光相关性与灵活碳捕集的互补系统低碳经济调度

安源; 嘉程昊; 宁旭阳; 高嘉伟; 宋卓洋

doi:10.19912/j.0254-0096.tynxb.2023-1077

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (11) : 40-49. DOI: 10.19912/j.0254-0096.tynxb.2023-1077

考虑风光相关性与灵活碳捕集的互补系统低碳经济调度

安源, 嘉程昊, 宁旭阳, 高嘉伟, 宋卓洋

作者信息 +

LOW-CARBON ECONOMIC SCHEDULING CONSIDERING WIND-PV CORRELATION AND FLEXIBLE CARBON CAPTURE IN COMPLEMENTARY SYSTEM

An Yuan, Jia Chenghao, Ning Xuyang, Gao Jiawei, Song Zhuoyang

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文章历史 +

摘要

针对大规模可再生能源并网引起的消纳问题,提出一种考虑风光相关性与灵活碳捕集的低碳经济调度策略。首先,通过核密度估计与Copula理论充分考虑风光的相关性。其次,进行综合灵活碳捕集电厂的改造,分析论证其能量转移特性以及调峰的灵活性。最后,考虑改造前后机组碳排放基准值的差别,构建以综合成本最低为目标的低碳经济调度模型,使用场景法刻画风光随机性,通过CPLEX求解器进行求解,证明在调度中考虑风光相关性以及灵活碳捕集能兼顾系统经济性与低碳性并提高系统的风光消纳能力。

Abstract

A low-carbon economic dispatch strategy considering the correlation of wind-solar and flexible carbon capture is proposed to tackle the challenges of large-scale renewable energy integration. First of all, the wind-solar correlation is comprehensively considered through kernel density estimation and Copula theory. Secondly, the carbon capture power plants with flexible operation mode is analyzed and demonstrated in terms of energy transfer characteristics and peak-shaving flexibility. Ultimately, a low-carbon economic scheduling model is built with the goal of minimizing comprehensive cost considering the difference in carbon emission benchmarks before and after plant modifications. The scenario-based approach is used to capture the stochastic nature of wind-solar generation, and the CPLEX solver is employed for optimization. The results certify that taking the correlation of wind-solar and flexible carbon capture into account in the dispatch process can simultaneously enhance system economic efficiency, low-carbon performance, and improve the wind-solar energy absorption capability.

导出引用

安源, 嘉程昊, 宁旭阳, 高嘉伟, 宋卓洋. 考虑风光相关性与灵活碳捕集的互补系统低碳经济调度[J]. 太阳能学报. 2024, 45(11): 40-49 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1077

An Yuan, Jia Chenghao, Ning Xuyang, Gao Jiawei, Song Zhuoyang. LOW-CARBON ECONOMIC SCHEDULING CONSIDERING WIND-PV CORRELATION AND FLEXIBLE CARBON CAPTURE IN COMPLEMENTARY SYSTEM[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 40-49 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1077

中图分类号： TM73

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