Abstract

Static state estimation of a power system based upon measurement of nodal voltages is presented in this paper. Nodal voltages are calculated from a true state by load flow calculation and corrupted deliberately to simulate errors introduced by the telemetry system equipments. These are used as data to state estimation program. The problem of any communication link failure is treated by considering the previous estimation data (bus voltages) of the bus whose communication link has failed in the last estimation. Accuracy of the results from state estimation program are checked by comparison with true state.

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