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Newton G. Bretas

Researcher at University of São Paulo

Publications -  197
Citations -  3084

Newton G. Bretas is an academic researcher from University of São Paulo. The author has contributed to research in topics: Electric power system & Observational error. The author has an hindex of 28, co-authored 193 publications receiving 2837 citations. Previous affiliations of Newton G. Bretas include University of Florida.

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Journal ArticleDOI

Main chain representation for evolutionary algorithms applied to distribution system reconfiguration

TL;DR: The performance achieved suggests that the proposed methodology can provide an efficient alternative for reconfiguration problems, and an efficient data structure for tree representation may significantly increase the performance of evolutionary-based approaches for network reconfigured systems.
Journal ArticleDOI

A new methodology for the coordinated design of robust decentralized power system damping controllers

TL;DR: In this paper, the authors present the fundamentals and the algorithm of a new methodology for the design of robust power system damping controllers, which provides controllers capable of fulfilling various practical requirements of the oscillations damping problem, which could not simultaneously satisfy by the majority of the proposed robust approaches.
Proceedings ArticleDOI

A new methodology for the coordinated design of robust decentralized power system damping controllers

TL;DR: In this article, the authors present the fundamentals and the algorithm of a new methodology for the design of robust power system damping controllers, which is based on a special formulation of the dynamic output feedback control problem, in which the design problem can be expressed directly in the form of linear matrix inequalities.
Journal ArticleDOI

Node-Depth Encoding and Multiobjective Evolutionary Algorithm Applied to Large-Scale Distribution System Reconfiguration

TL;DR: The combination of the multiobjective EA with NDE (MEAN) results in the proposed approach for solving DSs problems for large-scale networks, with results showing the MEAN is able to find adequate restoration plans for a real DS with 3860 buses and 632 switches in a running time of 0.68 s.
Journal ArticleDOI

Lyapunov function for power systems with transfer conductances: extension of the Invariance principle

TL;DR: In this article, an extension of the invariance principle is used to support the proposal of a new function which is an extended Lyapunov function for power systems incorporating the transfer conductances.