Cyber-Physical Power Systems State Estimation

Cyber-Physical Power Systems State Estimation

1st Edition - May 14, 2021

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  • Authors: Arturo Bretas, Newton Bretas, Joao London Jr, Breno Carvalho
  • Paperback ISBN: 9780323900331
  • eBook ISBN: 9780323903226

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Description

Cyber-Physical Power System State Estimation updates classic state estimation tools to enable real-time operations and optimize reliability in modern electric power systems. The work introduces and contextualizes the core concepts and classic approaches to state estimation modeling. It builds on these classic approaches with a suite of data-driven models and non-synchronized measurement tools to reflect current measurement trends required by increasingly more sophisticated grids. Chapters outline core definitions, concepts and the network analysis procedures involved in the real-time operation of EPS. Specific sections introduce power flow problem in EPS, highlighting network component modeling and power flow equations for state estimation before addressing quasi static state estimation in electrical power systems using Weighted Least Squares (WLS) classical and alternatives formulations. Particularities of the state estimation process in distribution systems are also considered. Finally, the work goes on to address observability analysis, measurement redundancy and the processing of gross errors through the analysis of WLS static state estimator residuals.

Key Features

  • Develops advanced approaches to smart grid real-time monitoring through quasi-static model state estimation and non-synchronized measurements system models
  • Presents a novel, extended optimization, physics-based model which identifies and corrects for measurement error presently egregiously discounted in classic models
  • Demonstrates how to embed cyber-physical security into smart grids for real-time monitoring
  • Introduces new approaches to calculate power flow in distribution systems and for estimating distribution system states
  • Incorporates machine-learning based approaches to complement the state estimation process, including pattern recognition-based solutions, principal component analysis and support vector machines

Readership

Power system researchers primarily situated in universities and research institutions, including Ph.D. students, professors, and research engineers. (primary)

Professional engineers and utility engineers responsible for power grid real-time monitoring, software developments and maintenance (secondary)

Table of Contents

  • 1. Introduction to Cyber-Physical Power Systems State Estimation
    2. Real-Time Operation of Power Systems
    3. Power Flow in Electric Power Systems
    4. Quasi Static State Estimation in Electric Power Systems
    5. Qualitative Characteristics of Measurement Sets
    6. Gross Errors Processing in Measurements
    7. Methodology for Error Processing based on the Innovation Index
    8. Data driven state estimation solutions
    9. Dynamic State Estimation

Product details

  • No. of pages: 292
  • Language: English
  • Copyright: © Elsevier 2021
  • Published: May 14, 2021
  • Imprint: Elsevier
  • Paperback ISBN: 9780323900331
  • eBook ISBN: 9780323903226

About the Authors

Arturo Bretas

Arturo Bretas received the B.Sc. and M.Sc. degrees in Electrical Engineering from the University of Sao Paulo in 1995 and 1998, respectively, and the Ph.D. degree from Virginia Tech in 2001. He is currently a Full Professor with the Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, USA. His research interests include cyber-physical systems security, smart grids, state estimation, and reliability optimization.

Affiliations and Expertise

Full Professor, Department of Electrical and Computer Engineering, University of Florida, Gainesville, Florida, United States of America

Newton Bretas

Newton Bretas received the B.Sc. from the Federal University of Minas Gerais in 1970 and M.Sc. degrees from the University of Campinas in 1975. In 1981 he received a PhD degree from the University of Missouri. He is currently a Full Professor with the Department of Electrical and Computer Engineering, University of Sao Paulo, Sao Carlos, SP, Brazil. His research interests include power systems state estimation, nonlinear controls and reliability optimization.

Affiliations and Expertise

Full Professor, Department of Electrical and Computer Engineering, University of Sao Paulo, Sao Paulo, Brazil

Joao London Jr

Joao Bosco London Junior received the B.Sc. and M.Sc. degrees in Electrical Engineering from the Federal University of Mato Grosso and University of Sao Paulo, in 1993 and 1997, respectively. In 2000 he received the Ph.D. degree from the University of Sao Paulo. He is currently an Associate Professor with the Department of Electrical and Computer Engineering, University of Sao Paulo, Sao Carlos, SP, Brazil. His research interests include power systems state estimation and reliability optimization.

Affiliations and Expertise

Associate Professor, Department of Electrical and Computer Engineering, University of Sao Paulo, Sao Paulo, Brazil

Breno Carvalho

Breno E. B. Carvalho received the B.S. degree from the Federal University of Viçosa, Viçosa-MG, Brazil, in 2011, the M.Sc. and the D.Sc. degrees from EESC-University of São Paulo, São Carlos-SP, Brazil, in 2013 and 2018, respectively, both in electrical engineering. He worked as a research intern at the ECE Power Lab, University of Florida, Gainesville-FL, USA, in 2015-2016. He has been a Faculty member with the Department of Electrical Engineering, SATC University Center, Criciúma-SC, Brazil, since 2018, where he is currently a Full Time Professor. He has graduated 10 electrical engineering bachelors and published 14 scientific papers in the area of power and energy systems. His research interests are primarily concerned with real-time modelling and analysis of transmission systems, focusing on state estimation.

Affiliations and Expertise

Full Time Professor, Department of Electrical Engineering, SATC University Center, Criciuma-SC, Brazil

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