Energy and Exergy Efficiency Analysis of Advanced Adiabatic Compressed Air Energy Storage Based Trigeneration Energy Hub

IF 6.9 2区 工程技术 Q2 ENERGY & FUELS CSEE Journal of Power and Energy Systems Pub Date : 2023-06-27 DOI:10.17775/CSEEJPES.2022.00720
Danman Wu;Wei Wei;Jiayu Bai;Shengwei Mei
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Abstract

With growing public awareness of decarbonization and increasing penetration of renewable generation, energy storage is in great need. Advanced adiabatic compressed air energy storage (AA-CAES) is capable of producing power, heating and cooling, making it an ideal choice of an environmental-friendly energy hub. This paper proposes an energy and exergy efficiency analysis for an AA-CAES based trigeneration energy hub. Impact of power storage and heat load supply rates on energy output efficiency and total exergy losses are analyzed. Based on the proposed model, optimal configuration of power storage and heat load supply rates can be determined under different purposes. According to basic thermodynamic principles, the proposed method calculates trigeneration capability estimates considering energy grade difference and multi-dimension energy distribution, which can demonstrate more energy conversion properties of the system. Case studies verify that the proposed method can provide various characteristic analyses for an energy hub and its application in actual systems proves computation accuracy. Integrative energy efficiency is improved compared to pursuing maximum electricity-to-electricity efficiency.
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基于先进绝热压缩空气储能技术的三联供能源枢纽的能效和能效分析
随着公众对去碳化的认识不断提高以及可再生能源发电渗透率的不断增加,对储能的需求也越来越大。先进的绝热压缩空气储能(AA-CAES)能够发电、供热和制冷,是环境友好型能源枢纽的理想选择。本文提出了基于 AA-CAES 的三发电能源枢纽的能量和放能效率分析。分析了电力存储和热负荷供应率对能量输出效率和总放热损失的影响。根据所提出的模型,可以确定不同目的下电力储存和热负荷供应率的最佳配置。根据热力学基本原理,所提出的方法考虑了能量级差和多维能量分布,计算出了三联供能力估算值,可以展示系统更多的能量转换特性。案例研究验证了所提出的方法可以为能源枢纽提供各种特性分析,其在实际系统中的应用也证明了计算的准确性。与追求最大电能转换效率相比,综合能效得到了提高。
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来源期刊
CiteScore
11.80
自引率
12.70%
发文量
389
审稿时长
26 weeks
期刊介绍: The CSEE Journal of Power and Energy Systems (JPES) is an international bimonthly journal published by the Chinese Society for Electrical Engineering (CSEE) in collaboration with CEPRI (China Electric Power Research Institute) and IEEE (The Institute of Electrical and Electronics Engineers) Inc. Indexed by SCI, Scopus, INSPEC, CSAD (Chinese Science Abstracts Database), DOAJ, and ProQuest, it serves as a platform for reporting cutting-edge theories, methods, technologies, and applications shaping the development of power systems in energy transition. The journal offers authors an international platform to enhance the reach and impact of their contributions.
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