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On convergence analysis and convergence enhancement of power system least-squares state estimators

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1 Author(s)
R. A. M. van Amerongen ; Fac. of Electr. Eng., Delft Univ. of Technol., Netherlands

This paper analyses the convergence behavior of the least-squares state estimator. It is shown that the standard algorithm based on the Gauss-Newton method ignores second-order information. Under some conditions this information is essential for a good convergence. Examples show that an algorithm based on Newton's method reveals a more robust character.

Published in:

IEEE Transactions on Power Systems  (Volume:10 ,  Issue: 4 )