Voltage stability monitoring by artificial neural network using a regression-based feature selection method

被引：29
作者：
Chakrabarti, S. [1 ]
机构：
[1] Univ Cyprus, Dept Elect & Comp Engn, Nicosia, Cyprus
来源：
EXPERT SYSTEMS WITH APPLICATIONS | 2008年 / 35卷 / 04期
关键词：
artificial neural networks; feature selection; regression; voltage stability;
D O I：
10.1016/j.eswa.2007.08.059
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper proposes a methodology for online voltage stability monitoring using artificial neural network (ANN) and a regression-based method of selecting features for training the ANN. Separate ANNs are used for different contingencies. Important features for the ANN are selected by using the sensitivities of the voltage stability margin with respect to the inputs. The sensitivities are computed by using the regression models, which overcomes many limitations of the conventional methods of computing sensitivities. The implementation of the feature selection scheme enhances the overall design of the neural network. The proposed scheme is applied on the New England 39-bus power system model. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1802 / 1808
页数：7
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