Energy sustainability and reliability issues have created great concerns globally, instigating various utilities to create interconnections with one another for system security and techno‐economic benefits. Capacity benefit margin (CBM) is the amount of transmission capacity reserved between interconnected systems for emergency power exchange between utilities. It is usually estimated by evaluating the reliability of the generating units of interconnected systems to know the amount of external generation required during emergency supply shortage. Various techniques have been employed in literature to evaluate CBM. However, despite the global awareness on the continuous shift from conventional power generation sources to renewable energy sources, the assessment of CBM in the presence of renewable energy has not been addressed. Moreover, existing techniques for CBM calculation are based on iterative optimization and may not scale well to more than one deficient area. To solve these issues, this article incorporates wind power (WP) generation in CBM computation. The proposed technique is based on graph theory and can be used to calculate CBM in the presence of multi‐deficient areas and renewable energy sources, in particular, WP. Simulations using the IEEE 24‐bus reliability test system in MATLAB show that the proposed technique is significantly better in terms of scalability and accuracy as compared to existing techniques. The proposed technique can be employed by utilities for CBM estimation in the presence of renewable energy sources.

中文翻译：

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可再生能源存在下的产能效益边际评估

能源可持续性和可靠性问题在全球引起了极大的关注，促使各种公用事业公司为了系统安全和技术经济利益而相互建立互连。容量收益裕度（CBM）是互连系统之间保留的传输容量，用于公用事业之间的紧急电力交换。通常通过评估互连系统的发电单元的可靠性来估算，以了解紧急供应短缺期间所需的外部发电量。文献中已经采用了各种技术来评估CBM。然而，尽管全球意识已从传统的发电来源向可再生能源不断转变，但在可再生能源存在下对煤层气的评估尚未得到解决。此外，现有的CBM计算技术基于迭代优化，可能无法很好地扩展到一个以上的不足区域。为了解决这些问题，本文将风能（WP）生成合并到CBM计算中。所提出的技术基于图论，可用于在存在多个贫乏地区和可再生能源（特别是WP）的情况下计算煤层气。在MATLAB中使用IEEE 24总线可靠性测试系统进行的仿真表明，与现有技术相比，该技术在可伸缩性和准确性方面要好得多。在存在可再生能源的情况下，公用事业公司可以将所提出的技术用于煤层气估算。本文将风能（WP）生成纳入CBM计算。所提出的技术基于图论，可用于在存在多个贫乏地区和可再生能源（特别是WP）的情况下计算煤层气。在MATLAB中使用IEEE 24总线可靠性测试系统进行的仿真表明，与现有技术相比，该技术在可伸缩性和准确性方面要好得多。在存在可再生能源的情况下，公用事业公司可以将所提出的技术用于煤层气估算。本文将风能（WP）生成纳入CBM计算。所提出的技术基于图论，可用于在存在多个贫乏地区和可再生能源（特别是WP）的情况下计算煤层气。在MATLAB中使用IEEE 24总线可靠性测试系统进行的仿真表明，与现有技术相比，该技术在可伸缩性和准确性方面要好得多。在存在可再生能源的情况下，公用事业公司可以将所提出的技术用于煤层气估算。在MATLAB中使用IEEE 24总线可靠性测试系统进行的仿真表明，与现有技术相比，该技术在可伸缩性和准确性方面要好得多。在存在可再生能源的情况下，公用事业公司可以将所提出的技术用于煤层气估算。在MATLAB中使用IEEE 24总线可靠性测试系统进行的仿真表明，与现有技术相比，该技术在可伸缩性和准确性方面要好得多。在存在可再生能源的情况下，公用事业公司可以将所提出的技术用于煤层气估算。