含碳捕集-电转气的风光火储一体化系统优化运行

doi:10.16183/j.cnki.jsjtu.2022.270

上海交通大学学报 ›› 2024, Vol. 58 ›› Issue (5): 709-718.doi: 10.16183/j.cnki.jsjtu.2022.270

• 新型电力系统与综合能源 • 上一篇下一篇

含碳捕集-电转气的风光火储一体化系统优化运行

程韧俐¹, 李江南¹, 周保荣², 赵文猛²(), 刘亚³

1.深圳供电局有限公司,广东深圳 518001
2.南方电网科学研究院,广州 510663
3.北京清大科越股份有限公司,北京 100025

收稿日期:2022-07-13 修回日期:2022-07-15 接受日期:2022-07-22 出版日期:2024-05-28 发布日期:2024-06-17
通讯作者: 赵文猛,博士,高级工程师,电话(Tel.):020-36625175;E-mail:zhaowm@csg.cn.
作者简介:程韧俐(1972-),高级工程师,研究方向为大电网调度运行与控制、源网荷智能互动、电力市场.
基金资助:
中国南方电网有限责任公司科技项目(SZKJXM20190683/090000KK52190177)

Operation Optimization for Integrated System of Wind-PV-Thermal-Storage with CC-P2G

CHENG Renli¹, LI Jiangnan¹, ZHOU Baorong², ZHAO Wenmeng²(), LIU Ya³

1. Shenzhen Power Supply Bureau Co., Ltd., Shenzhen 518001, Guangdong, China
2. China Southern Power Grid Electric Power Research Institute, Guangzhou 510663, China
3. Beijing QU Creative Technology Co., Ltd., Beijing 100025, China

Received:2022-07-13 Revised:2022-07-15 Accepted:2022-07-22 Online:2024-05-28 Published:2024-06-17

摘要/Abstract

摘要：

碳捕集、电转气装置能够利用系统富裕新能源捕集火电燃烧所产生的碳排放,并生成燃气,形成碳资源循环利用链.为降低系统碳排放,促进新能源消纳,提升系统运行灵活性,提出含碳捕集-电转气(CC-P2G)的风光火储一体化系统架构,并设计其优化运行模型.重点讨论该架构电能流和碳流的运行特性;考虑配额制下碳排放交易收益,以一体化系统综合效益最大化为目标,综合考虑各类设备运行特性,提出其优化运行模型.算例验证了CC-P2G系统在提升新能源消纳能力和系统运行效益方面的效用.结果表明,CC-P2G系统与碳排放配额交易等市场机制有效配合,能够在降低系统整体碳排放的同时提升运行效益.

关键词: 风光火储一体化系统, 碳捕集和电转气系统, 电能流, 碳流, 碳排放配额

Abstract:

The carbon capture (CC) and power to gas (P2G) devices can utilize the abundant new energy of the system to capture the carbon emissions generated by thermal power combustion and generate usable gas, forming a carbon resource recycling chain. In order to reduce the carbon emission of the power system, promote new energy absorption, and improve the operation flexibility of the power system, an integrated system architecture including CC and P2G is proposed and its optimization operation model is designed. The operational characteristics of power flow and carbon flow in this architecture are mainly discussed. Considering the benefits of carbon emission trading under the quota system, an optimized operation model for the integrated system of wind-PV-thermal-storage with CC-P2G is proposed, aimed at maximizing the comprehensive benefits of the integrated system and taking the operation characteristics of various equipment as constraint conditions. Furthermore, the effectiveness of the CC-P2G system in improving new energy consumption capacity and system operation efficiency is verified. The results show that the participation of the CC-P2G system needs to be effectively coordinated with market mechanisms such as carbon emissions quota trading, which can reduce the overall carbon emissions of the system and improve its operation efficiency.

Key words: integrated system of wind-PV-thermal-storage, carbon capture and power to gas (CC-P2G) system, electricity power flow, carbon flow, carbon emission quota

中图分类号:

TM743

程韧俐, 李江南, 周保荣, 赵文猛, 刘亚. 含碳捕集-电转气的风光火储一体化系统优化运行[J]. 上海交通大学学报, 2024, 58(5): 709-718.

CHENG Renli, LI Jiangnan, ZHOU Baorong, ZHAO Wenmeng, LIU Ya. Operation Optimization for Integrated System of Wind-PV-Thermal-Storage with CC-P2G[J]. Journal of Shanghai Jiao Tong University, 2024, 58(5): 709-718.

图/表 11

图1

图2

图3

图4

表1

CC-P2G系统参数信息

参数	取值
碳捕集装置能耗限值, $P C C m a x$ 、 $P C C m i n$ /MW	15,0
碳捕集装置运行能耗, λ_GE/[(MW·h)·t^-1]	0.23
碳捕集率, η_c,_t/%	60~80
电转气装置能耗限值, $P P 2 G m a x$ 、 $P P 2 G m i n$ /MW	15,0
电解氢阶段能量效率, η_P2G1/%	80
甲烷化阶段能量效率, $η P 2 G 2 1$ 、 $η P 2 G 2 2$ /%	85,60
碳排放配额交易价格, $λ C q u$ /(元·t^-1)	50
燃气上网价格, p_G/(元·m^-3)	2.0
碳捕集装置可变运行成本系数, c_CC/[元·(MW·h)^-1]	138
电转气装置可变运行成本系数, c_P2G/[元·(MW·h)^-1]	234

表1

图5

图6

图7

图8

表2

图9

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参数	取值
参数	场景1	场景2	场景3
综合效益/万元	333.5	175.8	264.4
发电收益/万元	395.8	389.5	410.9
售气收益/万元	0	0	0
减排收益/万元	89.5	-113.6	—
燃料成本/万元	92.5	84.5	95.3
系统运行成本/万元	59.3	15.6	51.2
净碳排放量/t	1 630	2 225	2 189
新能源损失电量/(MW·h)	132	269	138

含碳捕集-电转气的风光火储一体化系统优化运行

Operation Optimization for Integrated System of Wind-PV-Thermal-Storage with CC-P2G

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