This paper presents a novel mathematical model for the transmission network expansion planning problem. Main idea is to consider phase-shifter (PS) transformers as a new element of the transmission system expansion together with other traditional components such as transmission lines and conventional transformers. In this way, PS are added in order to redistribute active power flows in the system and, consequently, to diminish the total investment costs due to new transmission lines. Proposed mathematical model presents the structure of a mixed-integer nonlinear programming (MINLP) problem and is based on the standard DC model. In this paper, there is also applied a specialized genetic algorithm aimed at optimizing the allocation of candidate components in the network. Results obtained from computational simulations carried out with IEEE-24 bus system show an outstanding performance of the proposed methodology and model, indicating the technical viability of using these nonconventional devices during the planning process. Copyright © 2012 Celso T. Miasaki et al.
Transmission network expansion planning considering phase-shifter transformers
2012-04-23
orcid:0000-0002-6684-2871
Article (Journal)
Electronic Resource
English
DC power transmission , Computational simulation , Mixed-integer nonlinear programming , Mathematical models , Conventional transformer , Bus systems , Investments , Transmission network expansion planning , Transmission system expansion , Electric lines , Computer simulation , Total investment , Active power flow , DC model , Planning process , Transmission line theory , Technical viability