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  5. Visualizing voltage relationships using the unity row summation and real valued properties of the FLG matrix
 
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Visualizing voltage relationships using the unity row summation and real valued properties of the FLG matrix

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Author(s)
Dassios, Ioannis K. 
Cuffe, Paul 
Keane, Andrew 
Uri
http://hdl.handle.net/10197/9939
Date Issued
28 May 2016
Date Available
15T08:48:15Z April 2019
Abstract
By manipulating the bus admittance matrix of a power system, a useful submatrix, FLG, can be derived. This matrix identifies, for every load bus, the set of generators that establish its no-load voltage, and the varying degree of their influence. The first contribution of the present work is to rigorously prove two observed properties of the FLG matrix; that it is substantially real-valued, and that its rows sum close to one. Six test systems are used in this work to validate these properties. With this proof in hand, this work also introduces a new conception of voltage profile monitoring in power systems, by explicitly mapping the relationships between load and generator voltages. This new visualization makes it easier to identify how influential each generator is in establishing the network's voltage profile. Poorly supported load buses, which may be vulnerable to voltage deviations, are clearly identified. This new visualization framework is suitable for pedagogy, research, and control room applications.
Sponsorship
European Commission - Seventh Framework Programme (FP7)
Science Foundation Ireland
Other Sponsorship
Electricity Research Centre UCD
Type of Material
Journal Article
Publisher
Elsevier
Journal
Electric Power Systems Research
Volume
140
Start Page
611
End Page
618
Copyright (Published Version)
2016 Elsevier
Keywords
  • Laplacian matrix

  • Power flow

  • Admittance matrix

  • Voltage profile

  • Visualization

DOI
10.1016/j.epsr.2016.05.013
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Electrical and Electronic Engineering Research Collection
Scopus© citations
15
Acquisition Date
Apr 1, 2023
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