基于灵敏度和灰色关联度的配电网运行方式变权重评估方法
为了对配电网运行方式进行准确的评估,提出了一种考虑指标灵敏度的配电网运行方式变权重评估方法。利用主成分分析法对配电网指标进行初步分析,根据分析结果利用最小二乘法计算灵敏度权重,同时利用灰色关联分析法对指标数据序列和评估量化值序列进行分析从而得到灰色关联度权重。灵敏度权重反映了指标对评估结果的影响程度,灰色关联度权重反映了指标数据序列与评估结果序列之间的关联程度,最后利用变权重公式实现指标的综合赋权。利用该方法对一个城市配电网进行评估,计算结果证明了该方法的有效性与可行性。...
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| Published in | 电力系统保护与控制 Vol. 45; no. 13; pp. 130 - 137 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海交通大学电气工程系,上海,200240
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
| DOI | 10.7667/PSPC161021 |
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| Abstract | 为了对配电网运行方式进行准确的评估,提出了一种考虑指标灵敏度的配电网运行方式变权重评估方法。利用主成分分析法对配电网指标进行初步分析,根据分析结果利用最小二乘法计算灵敏度权重,同时利用灰色关联分析法对指标数据序列和评估量化值序列进行分析从而得到灰色关联度权重。灵敏度权重反映了指标对评估结果的影响程度,灰色关联度权重反映了指标数据序列与评估结果序列之间的关联程度,最后利用变权重公式实现指标的综合赋权。利用该方法对一个城市配电网进行评估,计算结果证明了该方法的有效性与可行性。 |
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| AbstractList | 为了对配电网运行方式进行准确的评估,提出了一种考虑指标灵敏度的配电网运行方式变权重评估方法.利用主成分分析法对配电网指标进行初步分析,根据分析结果利用最小二乘法计算灵敏度权重,同时利用灰色关联分析法对指标数据序列和评估量化值序列进行分析从而得到灰色关联度权重.灵敏度权重反映了指标对评估结果的影响程度,灰色关联度权重反映了指标数据序列与评估结果序列之间的关联程度,最后利用变权重公式实现指标的综合赋权.利用该方法对一个城市配电网进行评估,计算结果证明了该方法的有效性与可行性. |
| Abstract_FL | In order to make accurate evaluation of the operation mode of the distribution network, this paper proposes a variable weight evaluation method of the distribution network operation mode considering the index sensitivity. The evaluation indexes are analyzed using principal component analysis method, and the sensitivity weights are calculated using least square method according to the above results. Besides, the index data sequences and evaluation value sequences are analyzed using grey correlation analysis method in order to figure out the grey correlation weights. The sensitivity weights reflect the influence that the indexes and their values have on the evaluation results, while the grey correlation weights reflect the correlation degree between index data sequences and evaluation results. The comprehensive weights are figured out according to the variable weight formula. An urban distribution network is analyzed using this method, and the result proves the effectiveness and feasibility of this method. |
| Author | 周名煜 谢宁 王承民 |
| AuthorAffiliation | 上海交通大学电气工程系,上海200240 |
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| Author_FL | XIE Ning ZHOU Mingyu WANG Chengmin |
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| Keywords | index sensitivity 主成分分析法 灰色关联度 principal component analysis method 变权重 operation mode distribution network 配电网 运行方式 variable weight 指标灵敏度 grey correlation |
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| Notes | ZHOU Mingyu, XIE Ning, WANG Chengmin （Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China） distribution network; operation mode; index sensitivity; principal component analysis method; grey correlation; variable weight In order to make accurate evaluation of the operation mode of the distribution network, this paper proposes a variable weight evaluation method of the distribution network operation mode considering the index sensitivity. The evaluation indexes are analyzed using principal component analysis method, and the sensitivity weights are calculated using least square method according to the above results. Besides, the index data sequences and evaluation value sequences are analyzed using grey correlation analysis method in order to figure out the grey correlation weights. The sensitivity weights reflect the influence that the indexes and their values have on the evaluation results, while the grey correlation weights reflect the correlation degree between index dat |
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| Snippet | 为了对配电网运行方式进行准确的评估,提出了一种考虑指标灵敏度的配电网运行方式变权重评估方法。利用主成分分析法对配电网指标进行初步分析,根据分析结果利用最小二乘法计... 为了对配电网运行方式进行准确的评估,提出了一种考虑指标灵敏度的配电网运行方式变权重评估方法.利用主成分分析法对配电网指标进行初步分析,根据分析结果利用最小二乘法计... |
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| SubjectTerms | 主成分分析法 变权重 指标灵敏度 灰色关联度 运行方式 配电网 |
| Title | 基于灵敏度和灰色关联度的配电网运行方式变权重评估方法 |
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