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Implicitly constrained substation model for state estimation
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DOI：10.1109/TPWRS.2002.800979.png)
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Abstract
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This paper addresses the problem of including detailed substation models in state estimation at the least possible cost. After reviewing existing alternatives, it is shown how Lagrange multipliers associated with topological constraints can be easily computed from an implicit model the size of which is slightly larger than that of the conventional bus-branch approach. This allows bad data and topological error processing to be carried out simultaneously.
Keywords:
generalized state estimators
substation models
topology errors
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