基于主成分分析与加权TOPSIS的县域配电网投资效益评估方法
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TM863

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河北省电力有限公司经济技术研究院项目(SGHEJY00GHJS1900049)


Investment benefit assessment based on PCA and weighted TOPSIS in county distribution network
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    摘要:

    近年来县级供电公司配电网投资持续加大,但对配电网投资效益缺乏一套科学合理的配电网投资效益评估体系。本文首先从装备水平、运行水平、供电能力、网架结构和降损增供等方面构建两级配电网投资评估指标体系;其次,综合运用层次分析法和熵值法分别计算一级和二级评估指标权重系数;然后,采用主成分分析方法降低各评估对象评价指标数据之间的相关性;最后,基于TOPSIS对各评估对象配电网投资效益优劣进行排序。该方法可指导上级管理单位对各县级供电公司配电网整体投资效益进行科学合理评价,有效指导下一年配电网投资计划。

    Abstract:

    In recent years, distribution network investment of county-level power supply companies continues to increase. There is a lack of a scientific and reasonable distribution network investment benefit evaluation system. This paper firstly constructs an investment evaluation index system for two-layer distribution network from the aspects of equipment level, power supply capacity, line loss reduction and power consumption increase. Secondly, the weight of each evaluation index is calculated by using analytic hierarchy process (AHP) and entropy method. Thirdly, the correlation of every evaluation index data is reduced by principal component analysis (PCA). Finally, the investment benefits of the distribution network of each evaluation object are ranked on the basis of TOPSIS. This method can be a reference for the superior management unit to evaluate the overall investment benefit in distribution network of county-level power supply company scientifically and reasonably, and then effectively guide the investment plan of distribution network in the next year.

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檀晓林,胡诗尧,张菁,等.基于主成分分析与加权TOPSIS的县域配电网投资效益评估方法[J].电力科学与技术学报,2022,37(3):133-139.
TAN Xiaolin, HU Shiyao, ZHANG Jing, et al. Investment benefit assessment based on PCA and weighted TOPSIS in county distribution network[J]. Journal of Electric Power Science and Technology,2022,37(3):133-139.

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  • 在线发布日期: 2022-07-24
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