Resumo

CARRION, Diego  e  GONZALEZ, Jorge. Optimal PMU placement considering N-1contingencies constraints in electrical power systems. Enfoque UTE [online]. 2019, vol.10, n.1, pp.1-12. ISSN 1390-6542.  https://doi.org/10.29019/enfoqueute.v10n1.437.

The measurement of electrical parameters through phasor measurement units in the power systems is fundamental, since the obtained data is used to estimate the state of its operation. In the present investigation the problem arises for the optimal deployment of phasor measurement units regarding restrictions of observability, redundancy and N-1 contingencies. Unit minimization considers the output of a transmission line or the failure of a phasor measurement unit and guarantees 100 % observability of the power system; For the optimization mixed integer linear programming was used. The proposed algorithm was tested with the IEEE test models of 9, 14, 30 and 118 nodes.

Palavras-chave : phasor measurement units; N-1 contingency; power system measurements; optimal PMU location; electrical power systems..

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