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Comprehensive Benefit Evaluation of the Power Distribution Network Planning Project Based on Improved IAHP and Multi-Level Extension Assessment Method

机译：基于改进的IAHP和多层次可拓评估方法的配电网规划项目综合效益评价

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摘要

Reasonable distribution network planning is an essential prerequisite of the economics and security of the future power grid. The comprehensive benefit evaluation of a distribution network planning project can make significant contributions towards guiding decisions during the planning scheme, the optimization of the distribution network structure, and the rational use of resources. In this paper, in light of the characteristics of the power distribution network, the comprehensive benefit evaluation index system is constructed considering the influencing factors of technical benefit, economic benefit, and social benefit. To eliminate the influence of subjective factors on the evaluation effects and the uncertainty of the influencing factors effectively, the improved interval analytic hierarchy process is employed to calculate the index weights more simply. Moreover, based on the traditional single-factor extension evaluation, this study proposes a multi-level extension assessment model to evaluate the comprehensive benefit of the power distribution network planning project. The model can not only identify the key factors that affect the evaluation effect of the power distribution network planning project, but also can predict the overall development trend of the project. Finally, using a specific urban distribution network planning project as an example, the findings indicate that the comprehensive benefit grade of this power distribution network planning project is “better” due to the benefit grade variable eigenvalue j * ∈ [ 3.33 , 3.418 ] ∈ [ 3 , 4 ] , and illustrates that the model is credible and practical to achieve the comprehensive benefit evaluation of the power distribution network planning project.
机译：合理的配电网络规划是未来电网的经济性和安全性的基本前提。配电网络规划项目的综合效益评估可以为规划计划中的决策，优化配电网络结构以及合理利用资源做出重大贡献。本文根据配电网的特点，综合考虑技术效益，经济效益和社会效益的影响因素，构建了综合效益评价指标体系。为了有效消除主观因素对评估效果的影响和影响因素的不确定性，采用改进的区间分析层次法可以更简单地计算指标权重。此外，在传统的单因素可扩展性评估的基础上，本研究提出了一种多层次可扩展性评估模型来评估配电网规划项目的综合效益。该模型不仅可以识别影响配电网规划项目评估效果的关键因素，而且可以预测该项目的总体发展趋势。最后，以一个特定的城市配电网规划项目为例，研究结果表明，该配电网规划项目的综合效益等级由于收益等级变量特征值j *∈[3.33，3.418]∈[参照图3，图4和图4，并且示出了该模型对于实现配电网络规划项目的综合效益评估是可信且实用的。

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