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1. 上海电力大学电气工程学院,上海市 200090
2. 国网浙江省电力有限公司建设分公司,浙江省 杭州市 310000
李宏仲(1977—),男,博士,副教授,主要研究方向:综合能源系统可靠性评估及规划、电力系统规划。E-mail:lhz_ab@163.com
罗龙宵(2001—),男,通信作者,硕士研究生,主要研究方向:综合能源系统可靠性评估。E-mail:1194671541@qq.com
吴泽平(1999—),女,硕士,主要研究方向:综合能源系统可靠性评估。E-mail:wuuuzp@163.com
收稿:2024-07-09,
修回:2024-11-21,
网络出版:2025-02-25,
纸质出版:2025-05-25
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李宏仲,罗龙宵,吴泽平等.计及最优㶲流的综合能源系统多故障恢复策略[J].电力系统自动化,2025,49(10):185-197.
LI Hongzhong,LUO Longxiao,WU Zeping,et al.Multi-fault Recovery Strategy for Integrated Energy System Considering Optimal Exergy Flow[J].Automation of Electric Power Systems,2025,49(10):185-197.
李宏仲,罗龙宵,吴泽平等.计及最优㶲流的综合能源系统多故障恢复策略[J].电力系统自动化,2025,49(10):185-197. DOI: 10.7500/AEPS20240709007.
LI Hongzhong,LUO Longxiao,WU Zeping,et al.Multi-fault Recovery Strategy for Integrated Energy System Considering Optimal Exergy Flow[J].Automation of Electric Power Systems,2025,49(10):185-197. DOI: 10.7500/AEPS20240709007.
㶲是在一定环境条件下能量中可转化为其他形式能量的部分,能反映能量的品质。为降低综合能源系统故障恢复过程中产生的㶲损及未供应㶲造成的经济损失,文中提出了一种计及最优㶲流的综合能源系统多故障恢复策略。首先,介绍了综合能源系统元件多状态故障恢复模型和负荷供㶲阈值下限计算方法;其次,以最小化系统㶲损及经济损失为目标,基于多智能体深度强化学习,提出了一种计及最优㶲流、热负荷温度变化时延特性和天然气管道时延特性的综合能源系统故障恢复策略;再次,利用用户用能满意程度指标来评估供能恢复策略对综合能源系统供能能力的影响;最后,采用改进的IEEE 33节点配电网、比利时20节点气网和20节点热网系统模型,验证所提故障恢复策略的有效性。
Exergy is the portion of energy that can be converted into other forms under certain environmental conditions
reflecting the quality of energy. To reduce the exergy loss generated during the fault recovery process of the integrated energy system (IES) and the economic losses caused by the lack of exergy supply
this paper proposes a multi-fault recovery strategy for IES considering optimal exergy flow. Firstly
the multi-state fault recovery model of IES components and the calculation method of the lower threshold of load exergy supply are introduced. Secondly
aiming to minimize system exergy loss and economic losses
a fault recovery strategy for IES is proposed based on multi-agent deep reinforcement learning
which takes into account optimal exergy flow
thermal load temperature variation delay characteristics
and natural gas pipeline delay characteristics. Thirdly
the impact of the energy supply recovery strategy on the energy supply capability of the IES is evaluated by using the user energy satisfaction index. Finally
the effectiveness of the proposed fault recovery strategy is verified by using an improved IEEE 33-bus distribution network
a Belgian 20-node gas network
and a 20-node thermal network system model.
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