| Issue |
E3S Web Conf.
Volume 216, 2020
Rudenko International Conference “Methodological problems in reliability study of large energy systems” (RSES 2020)
|
|
|---|---|---|
| Article Number | 01041 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/e3sconf/202021601041 | |
| Published online | 14 December 2020 | |
The impact of system nonlinearities in the problem of optimal PMU placement for power system state estimation
Federal Research Centre “Komi Science Centre of the Ural Branch of the Russian Academy of Sciences”, Institute for Socio-Economic and Energy Problems of the North, 167982 Kommunisticheskaya str., 26, Syktyvkar, Russia
* Corresponding author: hohlov@energy.komisc.ru
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.
© The Authors, published by EDP Sciences, 2020
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