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From Static to Dynamic Electric Power Network State Estimation: The Role of Bus Component Dynamics
Ellery A Blood
Paperback. ProQuest, UMI Dissertation Publishing 2011-09-06.
ISBN 9781243644480
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Publisher description
This thesis addresses the challenge of accurately and robustly estimating the network state on all electric power network despite its large size, infrequent measurement updates, and high likelihood of corrupted data. This is especially important as electrical transmission operators are increasingly being asked to operate the networks at their maximum allowable capacity. Accurate knowledge of the state is necessary to ensure adequate margin to these operating limits should a fault occur.
This thesis provides the following contributions. (1) Models describing the dynamics of slow machinery attached to and coupled via the electric power network were used to allow dynamic state estimation. (2) The detail of the coupled dynamic network model was evaluated to determine the level of modeling complexity required to achieve significant state estimation performance gains. (3) Improvements to bad data detection and identification by using information from the dynamic state estimator were demonstrated and evaluated. (4) The improvements to network static observability were discussed and evaluated
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From Static to Dynamic Electric Power Network State Estimation: The Role of Bus Component Dynamics
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