Adaptability Evaluation of Power Grid Planning Scheme Based on Improved AHP-CRITIC-TOPSIS with High Proportion of Renewable Energy

Fan Li, Jiarui Yang, Shuyi Shen, Keping Zhu, Jiajia Qian, Chaochen Yan
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Abstract

A high proportion of renewable energy is the basic feature of the novel power system, which leads to the problems of power grid planning, such as increased fluctuations in trends and growing numbers of planning objectives. Therefore, it is crucial to improve the adaptability of planning schemes to establish a foundation for the economic, reliable, and safe operation of the novel power system. In view of this, this paper proposes an evaluation framework of the adaptability of power grid planning schemes with high proportion of renewable energy. Firstly, the impact of high proportion of renewable energy on power grid planning is analyzed, and an adaptability evaluation index system for power grid planning schemes is established based on five dimensions: economic adaptability, energy structure adaptability, grid structure adaptability, reliability adaptability, and environmental adaptability. Secondly, an improved AHP-CRITIC method, combined with the TOPSIS method, is proposed for power grid adaptability evaluation. This innovative approach effectively combines objective index data with subjective decision-making, enhancing the overall evaluation process for the adaptability of practical power grid planning. Finally, the effectiveness of the proposed evaluation method is validated through the analysis of 14th Five-Year Plan for Power Grid Planning in three regions of a province, the adaptability evaluation shows that reliability adaptability and grid structure adaptability have greater influence on power grid planning adaptability, but the impact of environmental adaptability is the smallest.
基于改进ahp - critical - topsis的高比例可再生能源电网规划方案适应性评价
高比例的可再生能源是新型电力系统的基本特征,这导致电网规划出现趋势波动加大、规划目标增多等问题。因此,提高规划方案的适应性,为新型电力系统的经济、可靠、安全运行奠定基础至关重要。鉴于此,本文提出了高比例可再生能源电网规划方案适应性的评价框架。首先,分析了高比例可再生能源对电网规划的影响,建立了基于经济适应性、能源结构适应性、电网结构适应性、可靠性适应性和环境适应性五个维度的电网规划方案适应性评价指标体系。其次,将改进的AHP-CRITIC方法与TOPSIS方法相结合,提出了电网适应性评价的改进方法。这种创新方法有效地将客观指标数据与主观决策相结合,增强了电网实际规划适应性的整体评价过程。最后,通过对某省三区电网规划“十四五”规划的分析,验证了所提评价方法的有效性,适应性评价结果表明,可靠性适应性和电网结构适应性对电网规划适应性的影响较大,但环境适应性的影响最小。
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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