基于主成分分析法和模糊综合评价法的配电网评估

  目的]  对配电网的全面评估需要综合考虑其安全性、经济性、可靠性、适应性和优质性。  方法]  为了更合理客观地对配电网进行评估，从这5个方面建立了一套科学合理的配电网评价体系，应用主成分分析法提取配电网指标数据之间隐含的内在联系，使所求出的各指标权重客观合理，应用模糊综合评价法对整个配电网状况进行更为全面准确的评估，其中对实际数据评分结果的区间进行划分，并统一了模糊综合评价法中的定量类指标的评价等级标准。  结果]  从而解决了模糊综合评价法无法处理大量定量类指标数据的问题，降低了计算复杂度，同时保持了评估结果准确性。  结论]  最终使得对配电网的评估更加真实合理可靠。对江西配电网的算例分析结果表明文章的评估方法是科学有效的。

Evaluation of Distribution Network Status Based on Principal Component Analysis and Correspondence Analysis

  Introduction]  In order to evaluate the distribution network more reasonably and objectively.  Method]  This paper established a scientific and reasonable evaluation system of distribution network from these five aspects, and extracted the implicit data of distribution network indicators by principal component analysis. The internal relationship made the weight of each index objectively and reasonably calculated. Fuzzy comprehensive evaluation method was applied to evaluate the whole distribution network situation more comprehensively and accurately, in which the interval of actual data scoring results was divided and the evaluation grade standard of quantitative index in the fuzzy comprehensive evaluation method was unified.  Result]  So as to solve the problem, fuzzy comprehensive evaluation method can not deal with a large number of quantitative index data, which reduced the computational complexity, while maintaining the accuracy of the evaluation results.  Conclusion]  We demonstrate the evaluation of distribution network more real, reasonable and reliable. The example analysis of Jiangxi distribution network shows that the evaluation method is scientific and effective.