考虑碳捕集和气网混氢的气电耦合系统低碳经济调度

doi:10.11930/j.issn.1004-9649.202210024

中国电力 ›› 2023, Vol. 56 ›› Issue (10): 1-10.DOI: 10.11930/j.issn.1004-9649.202210024

• 面向新型电力系统的氢能及其系统集成控制关键技术 • 上一篇下一篇

考虑碳捕集和气网混氢的气电耦合系统低碳经济调度

杨宇玄¹(), 高栋梁¹(), 陈一鸣¹, 周步祥², 陈阳², 臧天磊²()

1. 国网四川省电力公司经济技术研究院，四川成都　610041
2. 四川大学电气工程学院，四川成都　610065

收稿日期:2022-10-15 出版日期:2023-10-28 发布日期:2023-10-31
作者简介:杨宇玄（1992—），男，硕士，从事综合能源系统、电力系统继电保护研究，E-mail： 404937825@qq.com
高栋梁（1989—），男，硕士，从事电力通信、网络信息安全研究，E-mial： 396961683@qq.com
臧天磊（1986—），男，通信作者，博士，副教授、硕导，从事综合能源系统运行优化与控制研究，E-mail： zangtianlei@126.com
基金资助:
国家自然科学基金资助项目（人-信息-能量耦合的城市能源互联网灾变分析与动态预警，51907097）；国网四川省电力公司科技项目（应对CPS故障的综合能源系统优化调控与风险管控技术，52199620000M）。

Low Carbon Economic Dispatch of Gas Electricity Coupling System Considering Carbon Capture and Hydrogen Mixing in Gas Grid

Yuxuan YANG¹(), Dongliang GAO¹(), Yiming CHEN¹, Buxiang ZHOU², Yang CHEN², Tianlei ZANG²()

1. State Grid Sichuan Electric Power Co., Ltd., Chengdu 610041, China
2. School of Electrical Engineering, Sichuan University, Chengdu 610065, China

Received:2022-10-15 Online:2023-10-28 Published:2023-10-31
Supported by:
This work is supported by National Natural Science Foundation of China (The Human-Information-Energy Coupled Urban Energy Internet Catastrophe Analysis and Its Dynamic Early Warning, No.51907097) and State Grid Sichuan Electric Power Company Science and Technology Project (Optimal Regulation and Risk Control Technology for Integrated Energy System to Deal with Cyber Physical System Failures, No.52199620000M).

摘要/Abstract

摘要：

针对气电综合能源系统低碳调度问题，气网混氢、碳捕集、电转气均是有效的技术手段，同时碳交易机制也是控制碳排放的有效经济手段。因此，本文构建了含富液罐和贫液罐的碳捕集电厂模型，结合电转甲烷技术模型，灵活回收利用系统中的CO₂；同时，构建了气网混氢技术模型提高能效，并考虑气网混氢时节点热值变化约束，以奖励式碳交易成本和运行成本之和为目标函数；最后基于改进的比利时20节点天然气系统和IEEE 39节点电力系统模型开展算例测试，结果显示综合考虑碳捕集、气网混氢和奖励式碳交易机制能提高系统低碳经济调度水平，同时调节碳价和奖励系数能灵活调节系统碳排放水平。

关键词: 储液式碳捕集, 气网混氢, 电转气, 低碳经济调度

Abstract:

For the problem of low-carbon dispatch of gas-power integrated energy system, gas-grid hydrogen blending, carbon capture and electricity-to-gas conversion are all effective technical means. Meanwhile, carbon trading mechanism is also an effective economic means to control carbon emission. Therefore, this paper constructs a carbon capture plant model with liquid-rich and liquid-poor tanks, combined with an electric-to-methane technology model to flexibly recover and utilize CO₂ in the system. Secondly, a gas-grid hydrogen blending technology model is used to improve energy efficiency, while considering the nodal calorific value change constraint during gas-grid hydrogen blending. Then the sum of incentive carbon trading cost and operation cost is used as the objective function. Finally, an arithmetic test is carried out based on the improved Belgian 20-node natural gas system and IEEE 39-node power system models. The results verify that the integrated consideration of carbon capture, gas network hydrogen blending and incentive carbon trading mechanism can improve the low carbon economic dispatch of the system. The carbon price and incentive factor can be adjusted flexibly to regulate the system carbon emission level.

Key words: liquid storage carbon capture, mixed hydrogen in gas network, electricity to gas, low carbon economic dispatch

杨宇玄, 高栋梁, 陈一鸣, 周步祥, 陈阳, 臧天磊. 考虑碳捕集和气网混氢的气电耦合系统低碳经济调度[J]. 中国电力, 2023, 56(10): 1-10.

Yuxuan YANG, Dongliang GAO, Yiming CHEN, Buxiang ZHOU, Yang CHEN, Tianlei ZANG. Low Carbon Economic Dispatch of Gas Electricity Coupling System Considering Carbon Capture and Hydrogen Mixing in Gas Grid[J]. Electric Power, 2023, 56(10): 1-10.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202210024

https://www.electricpower.com.cn/CN/Y2023/V56/I10/1

图/表 8

图 1 储液式碳捕集结构示意

Fig.1 Schematic diagram of liquid storage carbon capture model

图 2 模型求解流程

Fig.2 Model solving process

图 3 气电耦合系统测试结构

Fig.3 Test structural diagram of gas-electricity coupling system

图 4 测试系统的风电预测值、电负荷和气负荷值

Fig.4 Values of wind power forecasts, electrical loads and gas loads of the test system

表 1 4种场景的调度结果

Table 1 Scheduling results for 4 scenarios

场景	碳排放/t	运行成本/万元	总成本 /万元	弃风量/MW
1	18201.83	14660.37	14657.52	2111.62
2	17934.24	14425.44	14420.63	523.34
3	17528.41	14247.81	14232.20	378.34
4	17014.95	14143.77	14122.59	245.61

图 5 电转氢和电转甲烷流程

Fig.5 Electricity to hydrogen and electricity to methane conversion processes

图 6 奖励系数变化对碳排放量和总成本的影响

Fig.6 Effect of change of incentive coefficient on carbon emissions and total cost

图 7 碳交易基础价格变化对碳排放量和总成本的影响

Fig.7 Impact of carbon trading price changes on carbon emissions and total costs

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考虑碳捕集和气网混氢的气电耦合系统低碳经济调度

Low Carbon Economic Dispatch of Gas Electricity Coupling System Considering Carbon Capture and Hydrogen Mixing in Gas Grid

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