Comparing Corrective and Preventive Security-Constrained DCOPF Problems Using Linear Shift-Factors

Victor H. Hinojosa
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Victor H. Hinojosa: Department of Electrical Engineering, Universidad Técnica Federico Santa María, Valparaíso 2390123, Chile

Energies, 2020, vol. 13, issue 3, 1-16

Abstract: This study compares two efficient formulations to solve corrective as well as preventive security-constrained (SC) DC-based optimal power flow (OPF) problems using linear sensitivity factors without sacrificing optimality. Both SCOPF problems are modelled using two frameworks based on these distribution factors. The main advantage of the accomplished formulation is the significant reduction of decision variables and—equality and inequality—constraints in comparison with the traditional DC-based SCOPF formulation. Several test power systems and extensive computational experiments are conducted using a commercial solver to clearly demonstrate the feasibility to carry out the corrective and the preventive SCOPF problems with a reduced solution space. Another point worth noting is the lower simulation time achieved by the introduced methodology. Additionally, this study presents advantages and disadvantages for the proposed shift-factor formulation solving both corrective and preventive formulations.

Keywords: linear OPF problem; shift-factors; line outage distribution factors; security-constrained; corrective formulation; preventive formulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (4)

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