Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
704020 | Electric Power Systems Research | 2011 | 8 Pages |
Abstract
In state estimation, the covariance matrix of residuals is used to compute the normalized residuals and to detect erroneous measurements. This paper describes a method based on sensitivity analysis that allows computing the residual covariance matrix. The proposed method is estimator-independent, i.e., it is suitable for most solution approaches based on mathematical programming procedures. Several case studies illustrate the technique proposed. Relevant conclusions are finally drawn.
Related Topics
Physical Sciences and Engineering
Energy
Energy Engineering and Power Technology
Authors
E. Caro, A.J. Conejo, R. Mínguez,