Distributed State Estimation for Microgrids

This paper presents a distributed state estimator for the monitoring of mega grids. Mega grids are formed as a result of merging the operation of several power system areas in order to manage power system transactions between remote parts of deregulated power systems. The paper proposes a distributed solution that will address two problems associated with mega grid state estimation, namely the increase in problem dimension and the lack of information and measurement exchange between areas within the grid.

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