计及碳交易和价格型需求响应的热电联合低碳经济调度

doi:10.16180/j.cnki.issn1007-7820.2023.10.010

摘要/Abstract

摘要：

针对热电联产机组在冬季供暖期间的“热电冲突”和弃风消纳问题,文中提出了计及碳交易成本和价格型需求响应的热电联合低碳经济调度模型,同时引入了电锅炉和储热装置解耦热电耦合限制,研究了不同运行方式对优化调度的影响。在系统中考虑碳交易成本,限制碳排放,并通过用户侧需求响应来增强电网调峰能力,对负荷曲线进行优化,有效削减了负荷的峰谷差,为风电上网提供了空间。最后,采用CPLEX求解器进行求解,并基于改进的IEEE-30节点系统进行仿真分析。结果表明,在文中调度方法下风电消纳量提高了83.72%,碳排放量减少了2 211 t,验证了该调度模型的可靠性。

关键词: 热电联产, 弃风消纳, 碳交易成本, 优化调度, 需求响应, 热电耦合, 碳放量, CPLEX

Abstract:

In view of the problems of thermoelectric conflict and abandoned wind power during winter heating, a low-carbon economic dispatch model for combined heat and power that takes into account carbon trading costs and price-based demand response is proposed, while electric boilers and heat storage devices are introduced to decouple the coupling limits of thermoelectricity to study the impact of different operation modes on optimal dispatch. Carbon trading costs are considered in the system to limit carbon emissions, and the user-side demand response is used to enhance the peak regulation capability of the grid and optimize the load curve, effectively cutting the peak-to-valley difference in load and providing space for wind power to go online. Finally, the CPLEX solver is used for solving and simulation analysis is carried out based on the improved IEEE-30 node system. The results show that the wind power consumption is increased by 83.72% and carbon emissions are reduced by 2 211 t under the scheduling method proposed in this study, which verifies the reliability of the scheduling model.

Key words: combined heat and power generation, abandoned wind power, carbon transaction cost, optimal scheduling, demand respons, thermoelectric coupling, carbon emissions, CPLEX

中图分类号:

TM734

王玉梅,张继钦,周永鑫. 计及碳交易和价格型需求响应的热电联合低碳经济调度[J]. 电子科技, 2023, 36(10): 74-81.

WANG Yumei,ZHANG Jiqin,ZHOU Yongxin. Combined Heat and Power Low-Carbon Economic Scheduling Considering Carbon Trading and Price Demand Response[J]. Electronic Science and Technology, 2023, 36(10): 74-81.

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机组	最大出力	最小出力	爬坡率	燃料成本系数
机组	P_max/MW	P_min/MW	R_i,u/ MW·h^-1	a_i/元· MW^-2	b_i/元· MW^-1	c_i/元
3	50	25	25	0.002 3	100	1 250
4	35	10	18	0.001 5	225	167
5	30	10	15	0.000 9	150	500
6	40	12	20	0.000 8	200	500

电价时段	电价/元· (MW·h)^-1	时段
峰	625	12∶00~14∶00,19∶00~22∶00
谷	375	23∶00~07∶00
平	500	08∶00~11∶00,15∶00~18∶00

机组	最大发电功率/MM	最小发电功率/MW	最大供热功率/MW	a_i /元·MW^-2	b_i /元·MW^-1	c_i /元	c_v	c_m	向上爬坡速率	向下爬坡速率
1	200	100	250	0.004 4	13.29	39.00	0.15	0.75	50	50
2	200	100	250	0.004 4	13.29	39.00	0.15	0.75	50	50

场景	综合成本/万元	风电消纳量/%	碳排放量/t
1	38.28	16.28	8 632
2	40.78	93.75	6 942
3	41.12	100.00	6 421