基于AHP-CRITIC算法的线损异常分析方法研究

Research on line loss anomaly analysis method based on AHP-CRITIC algorithm

传统方法在对配电网配电线损异常进行分析时,未进行馈线分类,线损率误差较大,配电网安全性不佳。为此,引入AHP-CRITIC算法,对配电网配电线损异常分析问题进行优化。根据AHP方法确定相关指标属性的主观权重,利用CRITIC方法确定相关指标属性的客观权重,再设置综合权重向量,提取所需聚类指标参数实现配电网配电馈线的分类。通过等值电阻法计算配电网配电极限线损率,根据馈线分类结果,实现配电网配电多种馈线线损异常分析。结果表明,所提方法对配电网的极限线损率分析误差极小,可准确分析配电网配电线损异常问题。

The traditional method does not classify the feeder when analyzing the abnormal distribution l ine loss of distribution network,the error of line loss rate is large,the security of distribution network is poor.Therefore,the AHP-critical algorithm is introduced to optimize the abnormal analysis of distribution line loss.According to the AHP method to determine the subjective weight of the relevant index attributes,the objective weight of the relevant index attributes is determined by the critical method,and then the comprehensive weight vector is set to extract the required clustering index parameters to realize the classification of distribution network distribution feeders.The limit line loss rate of distribution network is calculated by equivalent resistance method.According to the classification results of feeders,the abnormal line loss of various feeders in distribution network is analyzed.The results show that the error of the proposed method is very small,what can accurately analyze the abnormal problem of distribution line loss.