Flexible two‐stage robust model for moving the transmission and reactive power infrastructures expansion planning towards power system integration of renewables

Olfatinezhad, Nader; Vahidinasab, Vahid; Ahmadian, Mohammad; Arasteh, Hamidreza; Aghaei, Jamshid; Mehran, Kamyar

Abstract

This study proposes a two-stage robust optimisation framework to model uncertainties in construction cost, load and renewable power generations (RPGs) in the coordinated transmission and reactive power infrastructure expansion planning problem. The proposed planning model, based on the network AC model and its voltage constraints, is represented as a mixed-integer linear programing problem with the aim of minimising: (i) the construction costs of lines, (ii) installation cost of reactive power resources and (iii) active load shedding as RPGs curtailment. Using the suggested robust optimisation approach, the best expansion plan is obtained even in the worst case of the defined uncertainty sets and the plan robustness level is controlled via parameter definition for the individual uncertainty sets. The Benders decomposition algorithm is used to solve the two-stage problem where the plan security level is also taken into consideration using the N−1 contingency criterion. The standard Garver 6-bus system and the IEEE 24-bus reliability test system are used to validate the proposed robust framework

• Journal Article Type: Article
• Online Publication Date: Jul 16, 2020
• Publication Date: 2020-08
• Deposit Date: Mar 5, 2025
• Journal: IET Renewable Power Generation
• Electronic ISSN: 1752-1424
• Publisher: Institution of Engineering and Technology (IET)
• Peer Reviewed: Peer Reviewed
• Volume: 14
• Issue: 11
• Pages: 1921-1932
• DOI: https://doi.org/10.1049/iet-rpg.2019.0287