纸质出版:2026
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杨超凡,吴军,杨超峰,崔世庭,王林,向志民.基于BWN-CRITIC法的规模化新能源供电能力评估方法[J].智慧电力,2026,54(5):46-54.
doi:10.20204/j.sp.2026.05006
杨超凡,吴军,杨超峰,崔世庭,王林,向志民.基于BWN-CRITIC法的规模化新能源供电能力评估方法[J].智慧电力,2026,54(5):46-54. DOI: 10.20204/j.sp.2026.05006.
doi:10.20204/j.sp.2026.05006 DOI:
在新能源大规模并网的背景下,准确评估规模化新能源的供电能力对提升电力系统经济性与可靠性至关重要。为解决现有评估方法中指标权重分配主观性强、评估维度单一的问题,提出一种基于最优最劣网络法(BWN)与改进权重分析法(CRITIC)的规模化新能源供电能力评估方法。首先,构建涵盖“新能源外送能力”与“本地消纳能力”的双维度评估指标体系,以全面表征规模化新能源供电能力的核心特征。在指标赋权方面,采用BWN法集成专家经验确定主观权重,并引入变异系数改进CRITIC法以更精确提取数据客观信息,最后通过乘法合成融合主客观权重,实现指标重要性的双向修正。算例结果表明,所提方法能够有效契合电网实际运行特性,兼具科学性与工程实用性,可为高比例新能源电力系统的规划与运行提供量化决策支持。
In the context of large-scale grid integration of renewable energy
accurately assessing the power supply capacity of large-scale renewable energy is crucial for improving the economy and reliability of power systems. To address the issues of high subjectivity in index weight allocation and single-dimensional evaluation in existing assessment methods
this paper proposes an evaluation method for large-scale renewable energy power supply capacity based on the best-worst network (BWN) method and the improved criteria importance through intercriteria correlation (CRITIC) method. First
a dual-dimension evaluation index system covering “renewable energy transmission capacity” and “local consumption capacity” is constructed to comprehensively characterize the core features of large-scale renewable energy power supply capacity. For index weighting
the BWN method is used to integrate expert experience and determine subjective weights
while the coefficient of variation is introduced to improve the CRITIC method for more accurate extraction of objective information from data. Finally
subjective and objective weights are combined via multiplicative synthesis to achieve bidirectional adjustment of index importance. Case study results show that the proposed method effectively aligns with the actual operational characteristics of power grids
offering both scientific rigor and engineering practicality
and can provide quantitative decision support for the planning and operation of power systems with a high proportion of renewable energy.
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