Utilize este identificador para referenciar este registo: https://hdl.handle.net/10316/90454
Título: Optimization of PMU Location and Communications in a Power Grid
Autor: Almeida, Luis 
Gomes, Teresa 
Antunes, Carlos Henggeler 
Palavras-chave: Phasor Measurement Unit (PMU); Phasor Data Concentrator (PDC); location; Zero Injection Bus (ZIB); disaster resilience; disjoint routing; Shared Risk Link Group (SRLG)
Data: 6-Jan-2020
Editora: IEEE
Citação: L. Almeida, T. Gomes and C. H. Antunes, "Optimization of PMU Location and Communications in a Power Grid," 2019 11th International Workshop on Resilient Networks Design and Modeling (RNDM), Nicosia, Cyprus, 2019, pp. 1-7, doi: 10.1109/RNDM48015.2019.8949117.
Projeto: CENTRO-01-0145-FEDER-029312 
UID/Multi/00308/2019 
Título da revista, periódico, livro ou evento: 2019 11th International Workshop on Resilient Networks Design and Modeling (RNDM)
Local de edição ou do evento: Nicosia, Cyprus
Resumo: Phasor Measurement Units (PMU) are specific equipment that measure phasors, magnitude and frequency of voltage and current in key points of a power grid, allowing for a more effective management of network assets. We start by presenting some formulations for the problem of determining the location to minimize the number of PMUs installed, ensuring that all buses (nodes of the power grid) are visible by at least one PMU. The formulations take also into account the existence of Zero Injection Buses (ZIBs) and the requirement of (N-1) redundancy to ensure that critical buses (e.g. buses with a generator) can be observed by at least two PMUs. This guarantees, in case one out of N installed PMUs fails, all critical buses are still observable. We assume that the communications network topology follows the topology of the power grid. With the goal to protect the communication infrastructure against failures and natural disasters, we propose models that minimize the number of Shared Risk Link Groups (SRLGs) and links in the path pair of each PMU to a pair of Phasor Data Concentrators (PDCs). We then modify the formulation of the PMU location problem to improve the resilience of the communication between the PMUs and the PDCs, namely by avoiding to place PMUs in buses of degree one and also by penalizing the placement of PMUs in buses that will result in path pairs to the PDCs which are not SRLG-disjoint. Results are presented to illustrate the impact of the modified PMU location model on the resilience of the communication network.
URI: https://hdl.handle.net/10316/90454
ISBN: 978-1-7281-4698-0
DOI: 10.1109/RNDM48015.2019.8949117
Direitos: embargoedAccess
Aparece nas coleções:FCTUC Eng.Electrotécnica - Artigos em Livros de Actas
I&D INESCC - Artigos e Resumos em Livros de Actas

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