Institute of Electrical and Electronics Engineers (IEEE)

IEEE Transactions on Power Apparatus and Systems

, volume PAS-104 , issue 12 , pages 3460-3468

A Hybrid State Estimator: Solving Normal Equations By Orthogonal Transformations

A. Monticelli ¹

C A F Murari ²

Felix Wu ¹

Hide authors affiliations Show authors affiliations: 2 affiliations

Department of Electrical Engineering and Computer Sciences and the Electronics Research Laboratories University of California |

Departamento de Engenharia Eletrica, Universidade Estadual de Campinas-Unicamp |

Publication type: Journal Article

Publication date: 1985-12-01

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Transactions on Power Apparatus and Systems

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CiteScore: —

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ISSN: 00189510

DOI: 10.1109/TPAS.1985.318896

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Electrical and Electronic Engineering

General Engineering

Energy Engineering and Power Technology

Abstract

The standard approach to the solution of the weighted least square (WLS) state estimation in power system is the iterative normal equations method. Occasional ill-conditioning has been experienced with this method. Recently alternative solution approaches based on orthogonal transformations have been proposed. Sparsity generally suffers in these methods. In this paper, the network condition which causes ill- conditioning is studied. A hybrid approach which enjoys the same numerical robustness of the orthogonal methods with sparsity close to the standard WLS method is presented. The modification needed to implement the hybrid method on an existing standard WLS state estimation program is quite small.

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Monticelli A., Murari C. A. F., Wu F. A Hybrid State Estimator: Solving Normal Equations By Orthogonal Transformations // IEEE Transactions on Power Apparatus and Systems. 1985. Vol. PAS-104. No. 12. pp. 3460-3468.

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RIS Copy

TY - JOUR

DO - 10.1109/TPAS.1985.318896

UR - https://doi.org/10.1109/TPAS.1985.318896

TI - A Hybrid State Estimator: Solving Normal Equations By Orthogonal Transformations

T2 - IEEE Transactions on Power Apparatus and Systems

AU - Monticelli, A.

AU - Murari, C A F

AU - Wu, Felix

PY - 1985

DA - 1985/12/01

PB - Institute of Electrical and Electronics Engineers (IEEE)

SP - 3460-3468

IS - 12

VL - PAS-104

SN - 0018-9510

ER -

BibTex |

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@article{1985_Monticelli,

author = {A. Monticelli and C A F Murari and Felix Wu},

title = {A Hybrid State Estimator: Solving Normal Equations By Orthogonal Transformations},

journal = {IEEE Transactions on Power Apparatus and Systems},

year = {1985},

volume = {PAS-104},

publisher = {Institute of Electrical and Electronics Engineers (IEEE)},

month = {dec},

url = {https://doi.org/10.1109/TPAS.1985.318896},

number = {12},

pages = {3460--3468},

doi = {10.1109/TPAS.1985.318896}

}

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Monticelli, A., et al. “A Hybrid State Estimator: Solving Normal Equations By Orthogonal Transformations.” IEEE Transactions on Power Apparatus and Systems, vol. PAS-104, no. 12, Dec. 1985, pp. 3460-3468. https://doi.org/10.1109/TPAS.1985.318896.

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Journal

IEEE Transactions on Power Apparatus and Systems

SJR

—

CiteScore

—

Impact factor

—

ISSN

00189510 (Print)