• DocumentCode
    1513992
  • Title

    A mixed pivoting approach to the factorization of indefinite matrices in power system state estimation

  • Author

    Machado, P.A. ; Azevedo, G.P. ; Monticelli, A.J.

  • Author_Institution
    CEPEL, Rio de Janeiro, Brazil
  • Volume
    6
  • Issue
    2
  • fYear
    1991
  • fDate
    5/1/1991 12:00:00 AM
  • Firstpage
    676
  • Lastpage
    682
  • Abstract
    A robust and efficient sparsity oriented approach to the factorization of indefinite matrices that appear in connection with a variety of power system state estimation formulations is presented. Particularly, the problem of representing zero injections as equality constraints in the normal equation formulation is discussed and analyzed. A new ordering scheme for mixed 1×1, 2×2 pivoting is proposed and tested. Tests on two real life systems (41 buses and 1331 buses) are reported and discussed
  • Keywords
    matrix algebra; power systems; state estimation; indefinite matrices; mixed pivoting approach; power system state estimation; real life systems; Fluid flow measurement; Jacobian matrices; Noise measurement; Nonlinear equations; Power system analysis computing; Power systems; Robustness; Sparse matrices; State estimation; Testing;
  • fLanguage
    English
  • Journal_Title
    Power Systems, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0885-8950
  • Type

    jour

  • DOI
    10.1109/59.76712
  • Filename
    76712
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1513992