Improved normalised normal constraint method to solve multi-objective optimal power flow problem

This study proposes an improved normalised normal constraint (NNC) method for solving optimal power flow (OPF), which is formulated as a multi-objective problem. While NNC is an efficient solution method to solve multi-objective problems, it may not cover the entire Pareto frontier in the objective...

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Vydané v:IET generation, transmission & distribution Ročník 12; číslo 4; s. 859 - 872
Hlavní autori: Rahmani, Shima, Amjady, Nima
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: The Institution of Engineering and Technology 27.02.2018
Predmet:
generation cost
hyper‐surface Pareto frontier
IEEE 118‐bus test systems
IEEE 30‐bus test systems
improved normalised normal constraint method
load flow
multiobjective optimal power flow problem
multiobjective optimisation problems
NNC method
Pareto optimisation
Research Article
transmission loss
voltage control
voltage regulation
transmission loss
Pareto optimisation
NNC method
IEEE 30-bus test systems
IEEE 118-bus test systems
voltage regulation
hyper-surface Pareto frontier
multiobjective optimal power flow problem
improved normalised normal constraint method
generation cost
load flow
multiobjective optimisation problems
voltage control
ISSN:1751-8687, 1751-8695
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Popis
Shrnutí:This study proposes an improved normalised normal constraint (NNC) method for solving optimal power flow (OPF), which is formulated as a multi-objective problem. While NNC is an efficient solution method to solve multi-objective problems, it may not cover the entire Pareto frontier in the objective space when three or more objectives are present in the problem, i.e. when the Pareto frontier becomes a hyper-surface. This research work aims to solve this limitation of NNC and propose a more effective solution method, named improved NNC (INNC), for multi-objective optimisation problems with three or more objective functions. The proposed INNC is applied for solving multi-objective OPF problem with three objectives of generation cost, transmission loss and voltage regulation. The effectiveness of the proposed INNC method for solving the multi-objective OPF problem is extensively illustrated on the IEEE 30-bus and IEEE 118-bus test systems in comparison with several recently published multi-objective solution approaches.
ISSN:1751-8687
1751-8695
DOI:10.1049/iet-gtd.2017.0289