Robustness evaluation method and defense strategy of electricity-heat integrated energy system

IF 4.1 3区工程技术 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

International Journal of Critical Infrastructure Protection Pub Date : 2024-07-05 DOI:10.1016/j.ijcip.2024.100699

Funian Hu, Chenhui Peng, Jun Chen

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引用次数: 0

Abstract

Even though electricity-heat integrated energy systems (IESs) can improve energy utilization, the faults generated by extreme events can induce more complex and wider impacts. Therefore, it is urgent to study the effective defense strategies associated with electricity-heat IES. Considering the theory of complex networks, a dynamic model was established in this paper which comprehensively considered the actual operating characteristics and cascading failure process of the electricity-heat IES. The structural and functional robustness of the electricity-heat IES after failure was evaluated by link survivability, capacity survivability and power survivability. According to the post-disaster system robustness evaluation results and system characteristics without adopting the defense strategy, the critical links of the system were identified. Also, seven defense strategies were formulated based on the cascading failure mechanism of the electricity-heat IES. The testing network coupled with an improved IEEE118-node power grid and 23-node heat supply network was used to verify the effectiveness of the proposed defense strategy and to provide a theoretical basis for the resilience enhancement strategy and defense resource allocation of the electricity-heat IES.

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电热一体化能源系统的鲁棒性评估方法和防御策略

尽管电热综合能源系统（IES）可以提高能源利用率，但极端事件产生的故障会带来更复杂、更广泛的影响。因此，研究与电热综合能源系统相关的有效防御策略迫在眉睫。结合复杂网络理论，本文建立了一个动态模型，综合考虑了电热IES的实际运行特性和级联故障过程。通过链路存活率、容量存活率和功率存活率评估了故障后电热IES的结构和功能鲁棒性。根据灾后系统鲁棒性评估结果和未采用防御策略时的系统特征，确定了系统的关键环节。同时，根据电热互联系统的级联失效机制，制定了七种防御策略。测试网络结合改进的 IEEE118 节点电网和 23 节点供热网络，验证了所提防御策略的有效性，并为电-热 IES 的弹性增强策略和防御资源分配提供了理论依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Critical Infrastructure Protection COMPUTER SCIENCE, INFORMATION SYSTEMS-ENGINEERING, MULTIDISCIPLINARY

CiteScore

8.90

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： The International Journal of Critical Infrastructure Protection (IJCIP) was launched in 2008, with the primary aim of publishing scholarly papers of the highest quality in all areas of critical infrastructure protection. Of particular interest are articles that weave science, technology, law and policy to craft sophisticated yet practical solutions for securing assets in the various critical infrastructure sectors. These critical infrastructure sectors include: information technology, telecommunications, energy, banking and finance, transportation systems, chemicals, critical manufacturing, agriculture and food, defense industrial base, public health and health care, national monuments and icons, drinking water and water treatment systems, commercial facilities, dams, emergency services, nuclear reactors, materials and waste, postal and shipping, and government facilities. Protecting and ensuring the continuity of operation of critical infrastructure assets are vital to national security, public health and safety, economic vitality, and societal wellbeing. The scope of the journal includes, but is not limited to: 1. Analysis of security challenges that are unique or common to the various infrastructure sectors. 2. Identification of core security principles and techniques that can be applied to critical infrastructure protection. 3. Elucidation of the dependencies and interdependencies existing between infrastructure sectors and techniques for mitigating the devastating effects of cascading failures. 4. Creation of sophisticated, yet practical, solutions, for critical infrastructure protection that involve mathematical, scientific and engineering techniques, economic and social science methods, and/or legal and public policy constructs.