基于CPSS的综合能源微网群参与调频辅助服务成本建模分析

doi:10.16183/j.cnki.jsjtu.2022.460

摘要/Abstract

摘要：

随着双碳战略的实施,新能源在电力系统中所占比例不断提高,系统频率调节能力逐渐下降.针对该问题,对分布式综合能源微网群参与电力系统调频辅助服务展开深入研究.首先,基于微网个体聚合后参与调频市场的理念,阐述综合能源微网参与调频辅助服务市场的模式;其次,建立综合能源微网群的信息-物理-社会模型,基于该模型计算微网群体的调频成本,成本模型中考虑多种调频方式,并利用灰色定权聚类方法对微网的社会属性进行分类,用以仿真分析微网个体参与调频市场的意愿及概率值;然后,基于蒙特卡罗模拟提出微网聚合商参与调频辅助服务时的成本计算方法,为聚合商参与调频市场报价提供基础.最后,对一个拥有5个综合能源微网的聚合商进行仿真分析,得到其调频成本的变化曲线.仿真结果显示微网个体的社会属性对聚合商的调频成本影响可达到6.921%,在报价过程中需要充分计及微网社会属性所带来的不确定性风险.

关键词: 综合能源微网群, 调频辅助服务, 调频成本, 信息-物理-社会模型, 社会属性建模

Abstract:

With the implementation of the carbon peaking and carbon neutrality strategy, the proportion of new energy in the power system continues to increase, while the frequency regulation ability of the system gradually decreases. To address this problem, this paper studies the participation of distributed integrated energy microgrid group in frequency regulation auxiliary service. First, based on the concept of microgrid individuals participation in frequency regulation market after aggregation, the mode of integrated energy microgrid participating in frequency regulation auxiliary service market is described. Then, a cyber-physical-social system (CPSS) of integrated energy microgrid group is established. Based on this model, the frequency regulation cost of microgrid group is calculated. The cost model considers multiple frequency regulation modes, and classifies the social attributes of microgrid by using the grey weighted clustering method to simulate and analyze the willingness and probability value of microgrid individuals to participate in the frequency regulation market. Afterwards, based on Monte Carlo simulation, the cost calculation method for microgrid aggregators to participate in the frequency regulation auxiliary service is proposed, which provides the basis for aggregators to participate in the frequency regulation market quotation. Finally, an aggregator with five integrated energy microgrids is simulated and analyzed, and the curve of its frequency regulation cost is obtained. The simulation results show that the impact of the social attributes of the individual microgrid on the frequency regulation cost of the aggregator can reach 6.921%, so the uncertainty risk caused by the social attributes of the microgrid should be fully considered in the bidding process.

Key words: integrated energy microgrid group, frequency regulation auxiliary service, frequency regulation cost, cyber-physical-social system (CPSS), social attribute modeling

中图分类号:

TM731

李振坤, 于秋阳, 魏砚军, 田书欣. 基于CPSS的综合能源微网群参与调频辅助服务成本建模分析[J]. 上海交通大学学报, 2024, 58(6): 893-903.

LI Zhenkun, YU Qiuyang, WEI Yanjun, TIAN Shuxin. Cost Modeling and Analysis of Integrated Energy Microgrid Group Participation in Frequency Regulation Auxiliary Service Market Based on CPSS[J]. Journal of Shanghai Jiao Tong University, 2024, 58(6): 893-903.

图/表 11

图1

图2

图3

图4

表1

图5

表2

图6

表3

微网灰色定权聚类系数及理性程度

微网	$σ i 1$	$σ i 2$	$σ i 3$	max $σ i k$	理性程度
1	0	0.0929	0.9071	$σ 13$ =0.9071	完全理性
2	0	0.7518	0.2482	$σ 22$ =0.7518	有限理性
3	0.7615	0.2385	0	$σ 31$ =0.7618	完全非理性
4	0.0006	0.7145	0.2793	$σ 42$ =0.7145	有限理性
5	0.0154	0.614	0.3744	$σ 52$ =0.614	有限理性

表3

表4

图7

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微网	燃气轮机		燃气锅炉		电储能		热储能
微网	功率/kW	台数	功率/kW	台数	功率/kW	台数	功率/kW	台数
1	800	2	800	1	100	3	100	2
2	750	2	700	1	150	3	100	2
3	700	2	700	1	150	4	125	3
4	700	2		0	150	3		0
5	750	2	600	1	100	3	150	2

成本类型	调频前运行状态/MW	调频后功率变化量/MW	调频成本/元	机会成本/元
燃气轮机	0.67	0.65	39.81	3.38
燃气锅炉	0.6	-0.6	-11.59
电储能	0	0.3	11.06	0
热储能	0	-0.22	-3.41
可调负荷	0.4	-0.05	8.33
机组启停			0
总成本		47.58

微网	C_gt	C_gb	C_s	C_lo	C_co	C_total
1	39.81	-11.59	7.65	3.38	8.33	47.58
2	30.14	-8.69	12.32	2.77	7.91	44.45
3	21.43	-5.27	18.54	2.52	3.33	40.55
4	31.36	0	15.87	3.14	5.46	55.83
5	38.58	-11.53	6.67	3.42	8.33	45.47