Design and performance evaluation of an innovative solar concentration polygeneration system

IF 9 1区工程技术 Q1 ENERGY & FUELS

Renewable Energy Pub Date : 2025-05-10 DOI:10.1016/j.renene.2025.123441

Gang Wang , Dongyu Li , Tianlin Zou , Yanfeng Duan

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引用次数: 0

Abstract

This paper presents an innovative solar concentration polygeneration system with super-critical carbon dioxide (S-CO₂) Brayton and organic Rankine cycles. It is developed for generating electric power, freshwater and hydrogen. Operation, exergetic and economic performances of the polygeneration system are evaluated. The evaluation results show that the electric power and S-CO₂ Brayton cycle efficiency of the polygeneration system are 50.0 MW and 44.0 %. The hydrogen and freshwater production rates of the polygeneration system are 6.24 kg/h and 393.55 t/h. The linear Fresnel reflector solar loop, S-CO₂ Brayton cycle, hydrogen production and freshwater production blocks can coordinatively achieve the effective operation for both short and long terms. The LFR solar field has the largest exergetic loss (97.3 MW) and its exergetic efficiency is 63.8 %. The levelized costs of electricity, freshwater and hydrogen of the polygeneration system are 0.106 $/kWh, 0.98 $/t and 3.51 $/kg, respectively. The net present value is about 478.0 million USD. These results reveal the technical and economic viability of the polygeneration system.

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一种新型太阳能聚光多联产系统的设计与性能评价

提出了一种具有超临界二氧化碳（S-CO2）布雷顿循环和有机朗肯循环的太阳能聚光多联产系统。它是为发电、淡水和氢气而开发的。对多电联产系统的运行性能、火用性能和经济性能进行了评价。评价结果表明，该多联产系统的电力和S-CO2布雷顿循环效率分别为50.0 MW和44.0%。多联产系统产氢速率为6.24 kg/h，产淡水速率为393.55 t/h。线性菲涅耳反射太阳回路、S-CO2布雷顿循环、制氢和淡水生产区块可以协调实现短期和长期的有效运行。LFR太阳能场的火用损失最大（97.3 MW），其火用效率为63.8%。多联产系统的电力、淡水和氢气平准化成本分别为0.106美元/千瓦时、0.98美元/吨和3.51美元/公斤。净现值约为4.78亿美元。这些结果揭示了多联产系统在技术和经济上的可行性。

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来源期刊

Renewable Energy 工程技术-能源与燃料

CiteScore

18.40

自引率

9.20%

发文量

1955

审稿时长

6.6 months

期刊介绍： Renewable Energy journal is dedicated to advancing knowledge and disseminating insights on various topics and technologies within renewable energy systems and components. Our mission is to support researchers, engineers, economists, manufacturers, NGOs, associations, and societies in staying updated on new developments in their respective fields and applying alternative energy solutions to current practices. As an international, multidisciplinary journal in renewable energy engineering and research, we strive to be a premier peer-reviewed platform and a trusted source of original research and reviews in the field of renewable energy. Join us in our endeavor to drive innovation and progress in sustainable energy solutions.