Intelligent scheduling and control of a geothermal-gas complementary heating system based on model prediction

doi:10.3969/j.issn.2097-0706.2023.12.004

Abstract

Abstract:

In recent years， geothermal heating technology has been doing applied to large-scale central heating for cities in northern China. However， due to the uncertainty and volatility of geothermal heating technology， coordinating and optimizing the outputs of the geothermal heat sources and fossil energy sources is the key to the safe， reliable， efficient and low-carbon operation of the whole heating system. In view of complexity of the heating system for Xiong'an New District geothermal-gas complementary heating system， an intelligent scheduling and control method based on model prediction for this heating system is proposed. Prediction on heat load is made based on the multi-layer perceptron （MLP）， and geothermal heating capacity prediction model is established， in order to provide complementary scheduling and control strategy for a geothermal-gas heating system in different heating stages. The trial operation of the system shows that the scheduling and control method can effectively guarantee the stable operation of the complex heating system with a users' heating load fluctuation under 15%. The strategy realizes the efficient complementary operation between geothermal sources and gas-fired boilers， and improves the flexibility and economy of the heating system.

Key words: geothermal heating, geothermal-gas complementarity, low-carbon heating, multi-layer perceptron, load forecasting, intelligent heating, "dual carbon" target

CLC Number:

TK529：TK019

ZHONG Wei, BO Qiming, CAI Chenyu, LU Shimeng, LI Manjie. Intelligent scheduling and control of a geothermal-gas complementary heating system based on model prediction[J]. Integrated Intelligent Energy, 2023, 45(12): 29-35.

Figures/Tables 6

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References 24

[1]	清华大学建筑节能研究中心. 中国建筑节能年度发展研究报告2022(公共建筑专题)[M]. 北京: 中国建筑工业出版社,2022.
[2]	孙健, 王寅武, 吴可欣, 等. 综合能源系统中热泵技术研究与应用[J]. 综合智慧能源, 2023, 45(4): 1-11. doi: 10.3969/j.issn.2097-0706.2023.04.001
	SUN Jian, WANG Yinwu, WU Kexin, et al. Research and application of heat pump technology in integrated energy systems[J]. Integrated Intelligent Energy, 2023, 45(4):1-11. doi: 10.3969/j.issn.2097-0706.2023.04.001
[3]	徐恒志, 周博文, 李广地, 等. 含水源热泵的区域综合能源系统低碳运行优化研究[J]. 综合智慧能源, 2022, 44(1): 39-48. doi: 10.3969/j.issn.2097-0706.2022.01.006
	XU Hengzhi, ZHOU Bowen, LI Guangdi, et al. Research on optimal operation of the regional integrated energy system with water-source heat pumps[J]. Integrated Intelligent Energy, 2022, 44(1): 39-48. doi: 10.3969/j.issn.2097-0706.2022.01.006
[4]	尹诗, 李振兴, 韩贝贝. 地源热泵技术节能性分析[J]. 能源与环保, 2020, 42(9): 138-142.
	YIN Shi, LI Zhenxing, HAN Beibei. Energy saving analysis of ground source heat pump technology[J]. China Energy and Environmental Protection, 2020, 42(9): 138-142.
[5]	罗景辉, 崔志强, 王海宾. 土壤源热泵用于北方城镇住宅采暖的可行性分析[J]. 区域供热, 2016(3): 66-70.
	LUO Jinghui, CUI Zhiqiang, WANG Haibin. Feasibility analysis of soil source heat pump for residential heating in northern towns[J]. District Heating, 2016(3): 66-70.
[6]	WANG H J, LIU B Y, YANG F F, et al. Test investigation of operation performance of novel split-type ground source heat pump systems for clean heating of rural households in North China[J]. Renewable Energy, 2021, 163: 188-197. doi: 10.1016/j.renene.2020.08.147
[7]	BUSATO F, LAZZARIN R, NORO M. Ground or solar source heat pump systems for space heating: Which is better? Energetic assessment based on a case history[J]. Energy and Buildings, 2015, 102: 347-356. doi: 10.1016/j.enbuild.2015.05.053
[8]	杨松. 燃气冷热电三联供技术与地源热泵技术相结合的应用[J]. 华电技术, 2016, 38(7): 67-69.
	YANG Song. Combined application of gas combined cooling heating and power supply technology and ground source heat pump[J]. Huadian Technology, 2016, 38(7): 67-69.
[9]	薛小军, 侯智华, 张红昌, 等. 碳中和背景下燃气热电联产与地源热泵耦合替代燃气锅炉供热研究[J]. 动力工程学报, 2022, 42(4): 359-364,386. doi: 10.19805/j.cnki.jcspe.2022.04.009
	XUE Xiaojun, HOU Zhihua, ZHANG Hongchang, et al. Study on replacing gas-fired boiler by gas-fired cogeneration coupled with ground source heat pump for heating under carbon neutral background[J]. Journal of Chinese Society of Power Engineering, 2022, 42(4): 359-364,386. doi: 10.19805/j.cnki.jcspe.2022.04.009
[10]	张荣, 张勇, 刘凯, 等. 西北地区太阳能-地源热泵复合供热系统应用分析[J]. 能源与节能, 2020(9):53-56.
	ZHANG Rong, ZHANG Yong, LIU Kai, et al. Application analysis of solar-ground source heat pump composite heating system in northwest China[J]. Energy and Energy Conservation, 2020(9):53-56.
[11]	ZHANG X Y, WANG E Y, LIU L S, et al. Machine learning-based performance prediction for ground source heat pump systems[J]. Geothermics, 2022, 105: 102509. doi: 10.1016/j.geothermics.2022.102509
[12]	ŞAHIN A Ş, YAZICI H. Thermodynamic evaluation of the Afyon geothermal district heating system by using neural network and neuro-fuzzy[J]. Journal of Volcanology and Geothermal Research, 2012, 233-234: 65-71.
[13]	张淑秘, 高青, 白莉, 等. 基于Fluent/Simulink地下含水层流态对地下水源热泵性能的影响[J]. 应用基础与工程科学学报, 2016, 24(2): 242-252.
	ZHANG Shumi, GAO Qing, BAI Li, et al. The influence of the underground aquifer flow pattern to the groundwater heat pump based on Fluent/Simulink[J]. Journal of Basic Science and Engineering, 2016, 24(2): 242-252.
[14]	LEE M, HAM S H, LEE S, et al. Multi-objective optimization of solar-assisted ground-source heat pumps for minimizing life-cycle cost and climate performance in heating-dominated regions[J]. Energy, 2023, 270: 126868. doi: 10.1016/j.energy.2023.126868
[15]	IKEDA S, CHOI W, OOKA R. Optimization method for multiple heat source operation including ground source heat pump considering dynamic variation in ground temperature[J]. Applied Energy, 2017, 193:466-478. doi: 10.1016/j.apenergy.2017.02.047
[16]	LIU X, ZUO Y N, YIN Z K, et al. Research on an evaluation system of the application effect of ground source heat pump systems for green buildings in China[J]. Energy, 2023, 262: 125374. doi: 10.1016/j.energy.2022.125374
[17]	KAPICIO A, ESEN H. Economic and environmental assessment of ground source heat pump system: The case of Turkey[J]. Sustainable Energy Technologies and Assessments, 2022, 53: 102562. doi: 10.1016/j.seta.2022.102562
[18]	GUAN Z X, ZHAO P, WANG J F, et al. Dynamic performance and control strategy of a combined heat and power system driven by geothermal energy considering the building multi-load requirements[J]. Energy Conversion and Management, 2022, 270: 116189. doi: 10.1016/j.enconman.2022.116189
[19]	MOKHTAR M, STABLES M, LIU X, et al. Intelligent multi-agent system for building heat distribution control with combined gas boilers and ground source heat pump[J]. Energy and Buildings, 2013, 62:615-626. doi: 10.1016/j.enbuild.2013.03.045
[20]	马连湘, 姜铭, 雷仲敏, 等. 能源革命推动雄安新区建设的总体思路与路径选择[J]. 中国工程科学, 2021, 23(1): 32-41.
	MA Lianxiang, JIANG Ming, LEI Zhongmin, et al. Promoting the construction of Xiong'an New Area through energy revolution:General idea and implementation route[J]. Strategic Study of CAE, 2021, 23(1): 32-41.
[21]	陈嘉映. 供热系统结构与调控灵活性分析模型与应用研究[D]. 杭州: 浙江大学, 2022.
	CHEN Jiaying. Analytical model and application study of heating system structure and regulation flexibility[D]. Hangzhou: Zhejiang University, 2022.
[22]	张浩然. 面向电能替代的混合式电热互补供暖系统及其优化配置方法[D]. 杭州: 浙江大学, 2022.
	ZHANG Haoran. Hybrid electric-thermal complementary heating system for electric energy replacement and its optimal configuration method[D]. Hangzhou: Zhejiang University, 2022.
[23]	钟崴, 郑立军, 俞自涛, 等. 基于“数字孪生”的智慧供热技术路线[J]. 华电技术, 2020, 42(11): 1-5.
	ZHONG Wei, ZHENG Lijun, YU Zitao, et al. Smart heat-supply roadmap based on digital twin[J]. Huadian Technology, 2020, 42(11): 1-5.
[24]	郑刚, 李金刚, 刘依婷. 基于建筑综合物性系数的换热站运行调节策略分析[J]. 华电技术, 2021, 43(12): 72-78.
	ZHENG Gang, LI Jingang, LIU Yiting. Analysis on operation regulation strategy for heat exchange stations based on building comprehensive physical property coefficients[J]. Huadian Technology, 2021, 43(12):72-78.

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