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Energies 2017, 10(1), 99; doi:10.3390/en10010099

Robustness Area Technique Developing Guidelines for Power System Restoration

1
Electrical and Electronic Engineering Department, University of Strathclyde, 16 Richmond Street, Glasgow G1 1XQ , UK
2
Institute of Electric Systems and Energy, Federal University of Itajubá, Av. BPS 1303, Itajubá - MG 37500-903, Brazil
*
Author to whom correspondence should be addressed.
Academic Editor: Akhtar Kalam
Received: 28 November 2016 / Revised: 22 December 2016 / Accepted: 4 January 2017 / Published: 13 January 2017
(This article belongs to the Collection Smart Grid)
View Full-Text   |   Download PDF [451 KB, uploaded 13 January 2017]   |  

Abstract

This paper proposes a novel energy based technique called the Robustness Area (RA) technique that measures power system robustness levels, as a helper for planning Power System Restorations (PSRs). The motivation is on account of the latest blackouts in Brazil, where the local Independent System Operator (ISO) encountered difficulties related to circuit disconnections during the restoration. The technique identifies vulnerable and robust buses, pointing out system areas that should be firstly reinforced during PSR, in order to enhance system stability. A Brazilian power system restoration area is used to compare the guidelines adopted by the ISO with a more suitable new plan indicated by the RA tool. Active power and reactive power load margin and standing phase angle show the method efficiency as a result of a well balanced system configuration, enhancing the restoration performance. Time domain simulations for loop closures and severe events also show the positive impact that the proposed tool brings to PSRs. View Full-Text
Keywords: energy function; power system restoration; power system stability; voltage stability energy function; power system restoration; power system stability; voltage stability
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Murinelli Pesoti, P.; de Lorenci, E.V.; Zambroni de Souza, A.C.; Lo, K.L.; Lima Lopes, B.I. Robustness Area Technique Developing Guidelines for Power System Restoration. Energies 2017, 10, 99.

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