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Energies 2018, 11(6), 1497; https://doi.org/10.3390/en11061497

Preventive Security-Constrained DCOPF Formulation Using Power Transmission Distribution Factors and Line Outage Distribution Factors

1
Department of Electrical Engineering, Universidad Técnica Federico Santa María, Valparaíso 2390123, Chile
2
School of Electric, Electronic and System Engineering, Loughborough University, Loughborough LE11 3TU, UK
*
Author to whom correspondence should be addressed.
Received: 19 May 2018 / Revised: 2 June 2018 / Accepted: 6 June 2018 / Published: 8 June 2018
(This article belongs to the Section Electrical Power and Energy System)
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Abstract

This study proposes a very effective formulation to carry out the security-constrained direct current (DC)-based optimal power flow (OPF) problem using two linear factors: (i) the power transmission distribution factors (PTDF) and (ii) the line outage distribution factors (LODF). The security-constrained (SC) DCOPF problem has been reformulated using these linear distribution factors, and mainly the pre- and post-contingency constraints have been added into the optimization problem based on the active power unit generation (decision variables). The main advantage of this formulation is the reduction of decision variables as well as equality and inequality constraints. To validate the introduced formulation, several experiments have been conducted using MatPower, DIgSILENT Power Factory and Gurobi. Simulation results demonstrate both the feasibility to carry out the SCOPF problem and the potential applicability of the proposed formulation to medium and large-scale power systems. View Full-Text
Keywords: DC optimal power flow; power transfer distribution factors; line outage distribution factors; interior-point algorithm DC optimal power flow; power transfer distribution factors; line outage distribution factors; interior-point algorithm
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Hinojosa, V.H.; Gonzalez-Longatt, F. Preventive Security-Constrained DCOPF Formulation Using Power Transmission Distribution Factors and Line Outage Distribution Factors. Energies 2018, 11, 1497.

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