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2016 | Buch

Introduction Kapitel lesen Erstes Kapitel lesen

Design, Modeling and Evaluation of Protective Relays for Power Systems

verfasst von: Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard

Verlag: Springer International Publishing

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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Über dieses Buch

This book is a practical guide to digital protective relays in power systems. It explains the theory of how the protective relays work in power systems, provides the engineering knowledge and tools to successfully design them and offers expert advice on how they behave in practical circumstances. This book helps readers gain technical mastery of how the relays function, how they are designed and how they perform. This text not only features in-depth coverage of the theory and principles behind protective relays, but also includes a manual supplemented with software that offers numerous hands-on examples in MATLAB. A great resource for protective relaying labs and self-learners, its manual provides lab experiments unavailable elsewhere. The book is suitable for advanced courses in Digital Relays and Power Systems Fault Analysis and Protection, and will prove to be a valuable resource for practitioners in the utility industry, including relay designers.

Inhaltsverzeichnis

Frontmatter
Chapter 1. Introduction
Abstract
In the protection of electric power systems, a protective relay is defined as “a relay whose function is to detect defective lines or apparatus or other power system conditions of an abnormal or dangerous nature and to initiate appropriate control circuit action” [1]. The theory and application of the protective relaying is an important part of the education for an electrical engineer who specializes in power systems [2]. Multidisciplinary and integrative nature of the protection solutions requires new modeling, simulation, and testing tools to understand the diverse device behavior.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 2. Power System Fault Analysis and Short-Circuit Computations
Abstract
This chapter contains the material for learning basics of power system fault analysis and short-circuit calculation at the elementary level.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 3. Basics of Protective Relaying and Design Principles
Abstract
This chapter focuses on the basics of power system relaying with special attention paid to the overcurrent, impedance, and differential protection.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 4. Modeling of Digital Relay and Power System Signals
Abstract
This chapter contains documentation of the developed MATLAB software used for development of the models as a part of the learning process. The developed blocks are gathered in three libraries: Relay Elements, Input Signals, and Tools, which will be presented in the following subsections.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 5. Design and Implementation of Relay Communication Schemes and Trip Logic
Abstract
This chapter presents different communication schemes and trip logic used in distance relaying. The exercise examples illustrate how different communication schemes are used in a protective relay work. After completion of this exercise, the reader will have an understanding of how these schemes work.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 6. Design and Implementation of Overcurrent, Pilot, and Distance Protection
Abstract
This chapter discusses the different protection systems for transmission lines including overcurrent, differential,pilot, and distance protection.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 7. Design and Implementation of Transformer and Busbar Differential Protection
Abstract
This chapter discusses protection systems for transformers and busbars using differential schemes.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Chapter 8. Testing of Digital Protective Relays
Abstract
This chapter discusses the online (closed-loop) and off-line (open-loop) testing of the digital relay models using developed software modules and physical relays using the low-voltage digital simulator. The software examples are developed in MATLAB/SIMULINK as described in above sections. The first subsection provides protective relay models including overcurrent relay and distance relay. The digital simulator-based low-voltage relay test platform is described in the second subsection. Examples of laboratory exercise for students are given at the end of each subsection.
Mladen Kezunovic, Jinfeng Ren, Saeed Lotfifard
Metadaten
Titel
Design, Modeling and Evaluation of Protective Relays for Power Systems
verfasst von
Mladen Kezunovic
Jinfeng Ren
Saeed Lotfifard
Copyright-Jahr
2016
Electronic ISBN
978-3-319-20919-7
Print ISBN
978-3-319-20918-0
DOI
https://doi.org/10.1007/978-3-319-20919-7