The impact of system nonlinearities in the problem of optimal PMU placement for power system state estimation
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In PMU-based state estimation, a linear measurement model with phasors of both state variables and measurements expressed in rectangular coordinates has proven efficiency. The rectangular coordinate formulation is also used in optimal PMU placement problem aimed at providing the power system state estimation with the most informative measurements. In this case, it is assumed that the linearity of the measurement model ensures the optimality of the found placement of PMUs for any steady-state operating condition of the power system. The results presented in this paper show that this is not the case.
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2013 ◽
Vol 51
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pp. 35-42
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2021 ◽
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2020 ◽
Vol 18
(3)
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pp. 1130
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