计及灵活性资源的综合能源系统源荷协调优化调度

doi:10.11930/j.issn.1004-9649.202306096

中国电力 ›› 2024, Vol. 57 ›› Issue (5): 2-13.DOI: 10.11930/j.issn.1004-9649.202306096

• 新型电力系统源网荷储灵活资源运营及关键技术 • 上一篇下一篇

计及灵活性资源的综合能源系统源荷协调优化调度

胡福年(), 张彭成(), 周小博(), 陈军()

江苏师范大学电气工程及自动化学院，江苏徐州　221116

收稿日期:2023-06-26 录用日期:2023-09-24 发布日期:2024-05-23 出版日期:2024-05-28
作者简介:胡福年（1967—），男，通信作者，博士，教授，从事电力系统鲁棒性、智能电网优化控制、多源配电网协调控制研究，E-mail：funian@jsnu.edu.cn
张彭成（2001—），女，硕士研究生，从事电力系统优化运行研究，E-mail：cheng1130628@163.com
周小博（1999—），男，硕士研究生，从事电力系统优化运行研究，E-mail：2020211636@jsnu.edu.cn
陈军（1978—），男，博士，教授，从事模糊、时滞和神经网络等系统的稳定性分析研究，E-mail：jchen2019@jsnu.edu.cn
基金资助:
国家自然科学基金资助项目（62173165）；江苏师范大学研究生科研与实践创新计划项目（2022XKT0182）。

Coordinated Optimal Scheduling of Source and Load in Integrated Energy System Considering Flexible Resources

Funian HU(), Pengcheng ZHANG(), Xiaobo ZHOU(), Jun CHEN()

The College of Electrical Engineering and Automation, Jiangsu Normal University, Xuzhou 221116, China

Received:2023-06-26 Accepted:2023-09-24 Online:2024-05-23 Published:2024-05-28
Supported by:
This work is supported by National Natural Science Foundation of China (No.62173165) and Jiangsu Normal University Postgraduate Research and Practice Innovation Program (No.2022XKT0182).

摘要/Abstract

摘要：

可再生能源和负荷的波动性、不确定性等给综合能源系统（integrated energy system，IES）的安全灵活运行带来了极大挑战。为提高IES灵活调节能力与可再生能源消纳水平，提出一种计及灵活性资源的IES源荷协调优化调度方法。针对系统内运行灵活性需求，精细刻画各类资源灵活性能力，源侧根据电氢耦合单元运行特性构建热电联产机组（combined heating and power，CHP）和氢燃料电池（hydrogen fuel cell，HFC）联合运行模型，荷侧考虑综合需求响应的灵活性供给能力，建立系统综合灵活性供给模型。根据不同时刻运行灵活性不足问题分成2种调度模式，构建基于IES灵活性约束的优化调度模型，并进行仿真分析。仿真结果表明，所提出的优化调度方法能够有效提高IES灵活调节能力和可再生能源消纳水平。

关键词: 综合能源系统, 需求侧灵活性, 灵活性供需平衡, 源荷协调, 调度策略

Abstract:

The uncertainty and volatility of renewable energy and loads pose enormous challenges to the safe and flexible operation of integrated energy systems (IES). In order to improve the flexible adjustment ability of IES and the consumption level of renewable energy, this paper proposes an IES source-load coordination optimization scheduling method considering flexible resources. According to the operational flexibility requirements of the system, the flexibility capabilities of various resources are finely described. A joint operating model of combined heating and power (CHP) unit and hydrogen fuel cell (HFC) is established at the source-side according to the operating characteristics of the electric-hydrogen coupling unit, and a comprehensive flexible supply model of system is constructed at the load-side with consideration of the flexible supply capacity of comprehensive demand response. Two scheduling modes is divided according to the vacancy of operation flexibility at different times, and an optimal scheduling model based on IES flexibility constraints is constructed. A simulation analysis is carried out, and the simulation results show that the proposed optimal scheduling method can effectively improve the flexible adjustment ability of IES and the consumption level of renewable energy.

Key words: integrated energy system, demand-side flexibility, flexibility balance, source-load coordination, scheduling policy

胡福年, 张彭成, 周小博, 陈军. 计及灵活性资源的综合能源系统源荷协调优化调度[J]. 中国电力, 2024, 57(5): 2-13.

Funian HU, Pengcheng ZHANG, Xiaobo ZHOU, Jun CHEN. Coordinated Optimal Scheduling of Source and Load in Integrated Energy System Considering Flexible Resources[J]. Electric Power, 2024, 57(5): 2-13.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202306096

https://www.electricpower.com.cn/CN/Y2024/V57/I5/2

图/表 14

图 1 综合能源系统结构

Fig.1 Integrated energy system structure

图 2 CHP与HFC联合运行模型

Fig.2 Joint operation model of CHP and HFC

图 3 风光出力和负荷预测曲线

Fig.3 Forecast curves of the wind and photovoltaic output and load

表 1 机组运行参数

Table 1 Operating parameters of units

设备类型	${P_{\min }}$/ kW	${P_{\max }}$/ kW	爬坡约束/%	维护成本/ (元•kW^–1)
风电	0	1 000	20	0.0196
光伏	0	1 000	20	0.0235
CHP机组	0	600	20	0.0250
电解槽装置	0	500	20	0.0280
甲烷反应器	0	250	20	0.0280
氢燃料电池	0	250	20	0.0260

表 2 储能装置参数

Table 2 Parameters of energy storage facilities

参数	电储能	热储能	氢储能
容量/(kW·h)	450	500	200
充放效率	0.9	0.9	0.9
初始容量/(kW·h)	135	150	60
维护成本/(元•kW^–1)	0.0018	0.0016	0.0018

图 4 求解流程

Fig.4 Flow chart of solution

图 5 电功率优化结果

Fig.5 Electric power optimization results

图 6 热功率优化结果

Fig.6 Thermal power optimization results

图 7 气功率优化结果

Fig.7 Gas power optimization results

表 3 不同灵活性资源供给能力

Table 3 The supply capacity of different flexibility resources 单位：kW

参数	上级电网	蓄电池	CHP机组	HFC	IDR
上调灵活性供给	1 920.0	2 829.8	1 042.0	1 250.0	1 357.6
下调灵活性供给	633.6	1 929.6	2 845.4	1 200.0	1 282.4

图 8 方案2中优化前后负荷曲线对比

Fig.8 Load curve comparison before and after optimization of scheme 2

表 4 不同方案的综合成本对比

Table 4 Comprehensive cost comparison of different schemes

项目	方案1	方案2	方案3	方案4
购能成本/元	8 556.8	8 609.8	8 644.3	8 746.5
运维成本/元	1 167.1	1 159.6	1 158.2	1 152.6
弃风弃光成本/元	0	0	0	0
需求响应成本/元	306.6	288.2	279.2	363.0
综合成本/元	10 030.5	10 057.6	10 081.7	10 262.1
灵活性缺额/kW	455	0	0	0
灵活性裕度/kW	5 284.3	5 763.9	5 074.7	2 404.9

图 9 方案1下的灵活性缺额

Fig.9 Vacancy of flexibility under scheme 1

图 10 不同方案下灵活性裕度

Fig.10 Flexibility margin under different schemes

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计及灵活性资源的综合能源系统源荷协调优化调度

Coordinated Optimal Scheduling of Source and Load in Integrated Energy System Considering Flexible Resources

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