基于㶲经济学的综合能源系统动态冷热电成本

doi:10.11930/j.issn.1004-9649.202102008

中国电力 ›› 2022, Vol. 55 ›› Issue (10): 161-169.DOI: 10.11930/j.issn.1004-9649.202102008

基于㶲经济学的综合能源系统动态冷热电成本

连进步¹, 张泠¹, 高效², 李成仁², 罗勇强³, 刘忠兵¹

1. 湖南大学土木工程学院，湖南长沙　410082;
2. 国网能源研究院有限公司，北京　102209;
3. 华中科技大学环境科学与工程学院，湖北武汉　430074

收稿日期:2021-02-01 修回日期:2022-02-20 出版日期:2022-10-28 发布日期:2022-10-20
作者简介:连进步（1995—），男，硕士研究生，从事综合能源系统成本分摊研究，E-mail：861257512@qq.com;张泠（1969—），女，通信作者，教授，博士生导师，从事建筑节能技术和可再生能源利用研究，E-mail：lingzhang@hnu.edu.cn
基金资助:
国家电网有限公司科技项目（综合能源服务价格理论和关键技术研究，1400-201957438A-0-0-00）；国家自然科学基金资助项目（51878253）。

Dynamic Cost of Cooling, Heating and Power in Integrated Energy System Based on Exergy Economics

LIAN Jinbu¹, ZHANG Ling¹, GAO Xiao², LI Chengren², LUO Yongqiang³, LIU Zhongbing¹

1. College of Civil Engineering, Hunan University, Changsha 410082, China;
2. State Grid Energy Research Institute Co., Ltd., Beijing 102209, China;
3. School of Environmental Science & Engineering, Huazhong University of Science & Technology, Wuhan 430074, China

Received:2021-02-01 Revised:2022-02-20 Online:2022-10-28 Published:2022-10-20
Supported by:
This work is supported by Science & Technology of SGCC(Research on Price Theory and Key Technologies of Integrated Energy System, No.1400-201957438A-0-0-00) and National Natural Science Foundation of China (No.51878253)

摘要/Abstract

摘要： 多能流耦合的综合能源系统(IES)成本分摊是综合能源服务研究的一个关键技术问题。现有IES产品成本计算未虑能量品位的影响，并且对含储能的IES成本变化缺乏深入研究。以热力学第二定律为基础，建立IES动态㶲经济学模型，并以某园区综合能源系统为例，研究动态负荷以及储能工况对系统冷热电成本的影响。结果表明：储热装置能够有效降低单位冷热电成本；相较无储热工况，在储热工况下系统单位冷、热、电成本分别降低6%、24%、1.2%；此外，储热工况下的IES冷热电平均成本与电负荷成正相关，与冷热负荷呈负相关。动态㶲经济学模型能够高效地分析含储热的IES在优化周期内的逐时冷热电成本，为冷热电实时定价提供依据，合理利用储能装置能够降低冷热电产品的成本，有助于内燃机消纳，提高系统运行的稳定性和经济性。

关键词: 综合能源系统, 动态负荷, 储热, 㶲经济学, 成本分摊

Abstract: Cost allocation of integrated energy systems (IES) with multi-energy flow coupling is a key technical issue in the study of integrated energy services. Existing cost calculations of IES products do not take into account the effect of energy grade, and no in-depth study has been carried out on the cost variations of IES with energy storage. A dynamic exergy economics model of IES is established based on the second law of thermodynamics to study the influence of dynamic load and energy storage on the cost of cooling, heating and power of a park IES. The results show that the thermal storage device can effectively reduce the unit cost of cooling, heating and power; compared with the IES without thermal storage, the IES with thermal storage can reduce the unit cost of cooling, heating and power by 6% , 24% and 1.2%, respectively; and the average cost of cooling, heating and power of IES under thermal storage condition is positively correlated with the electric load, and negatively correlated with the heating and cooling load. The dynamic exergy economics model can efficiently analyze the hourly cooling, heating and power cost of IES with heat storage in the optimization period, and provide a basis for the real-time pricing of cooling, heating and power. The rational use of energy storage device can reduce the cost of cooling, heating and power products, contribute to internal combustion engine absorption, and improve the stability and economy of the system operation.

Key words: integrated energy system, dynamic load, heat storage, exergy economics, cost allocation

连进步, 张泠, 高效, 李成仁, 罗勇强, 刘忠兵. 基于㶲经济学的综合能源系统动态冷热电成本[J]. 中国电力, 2022, 55(10): 161-169.

LIAN Jinbu, ZHANG Ling, GAO Xiao, LI Chengren, LUO Yongqiang, LIU Zhongbing. Dynamic Cost of Cooling, Heating and Power in Integrated Energy System Based on Exergy Economics[J]. Electric Power, 2022, 55(10): 161-169.

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基于㶲经济学的综合能源系统动态冷热电成本

Dynamic Cost of Cooling, Heating and Power in Integrated Energy System Based on Exergy Economics

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基于㶲经济学的综合能源系统动态冷热电成本

Dynamic Cost of Cooling, Heating and Power in Integrated Energy System Based on Exergy Economics

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