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Besides, the book contains a detailed treatment of protective schemes used to encounter fault conditions that may occur individually in generators, motors, transformers, busbars, and distribution circuits. Protection against switching surges and lightning is also discussed. The final chapter on power system management provides a simple introduction to that important area in order to emphasize the importance of optimal economic operation of power systems in which protective schemes under fault conditions play a crucial role towards continuity of electrical supply with minimum damage to life, equipment and property.
The functioning of a power system depends significantly on efficient and reliableprotection schemes. With enhanced course coverage and refreshed pedagogy, therevised edition of Power System Protection and Switchgear discusses the contemporaryprotection system, now infused with new and innovative technology.
The knowledge of switchgear and apparatus protection plays an important role in the power system. The book is structured to cover the key aspects of the course Switchgear & Protection for undergraduate students. The book starts with the discussion of basics of protective relaying. The book includes comprehensive coverage of faults and analysis of symmetrical and unsymmetrical faults. The book explains the protection against overvoltage, lightning arresters and power system earthing. The book covers the characteristics of various types of relays such as electromagnetic relays, induction type relays, directional relays, differential relays, thermal relays, frequency relays and negative sequence relays. The detailed discussion of distance relays and static relays is also included in the book. The book also covers the various possible faults and methods of protection of transformers, generators, motors, busbars and transmission lines. The book further explains the theory of circuit interruption and various arc interruption methods. Finally, the book incorporates various types of circuit breakers, circuit breaker ratings and testing of circuit breakers. The book uses plain and lucid language to explain each topic. The book provides the logical method of explaining the various complicated topics and stepwise methods to make the understanding easy. Each chapter is well supported with necessary illustrations and self-explanatory diagrams. The book explains the philosophy of the subject which makes the understanding of the concepts very clear and makes the subject more interesting.
Protection and Switchgear is designed as a textbook for undergraduate students of electrical and electronics engineering. The book aims at introducing students to the various abnormal operating conditions in power systems, system protection schemes, and the phenomenon of current interruption.With the help of detailed relay and circuit diagrams, the book describes the protection principles of each element of the power system network, including relay design and settings. It also covers digital/ numerical relaying schemes, theories of the circuit breaking phenomenon, and the constructionand working of switchgears.
Switchgear and Protection is designed for students of electrical engineering as well as professionals. With his rich industry experience, the author has strived to provide a balanced coverage of both the theoretical and practical aspects of Switchgear and Protection systems. The book covers a wide range of topics such as system faults; current interruption; working principles of various switchgears; theory of ‘relay protection’ as well as various protection schemes for electrical equipment and systems. Topics ranging from the humble LV fuse, circuit breakers, switchboards, control-boards, CTs, PTs, LAs to modern electrical technology such as SF6 filled switchgear (GIS) are also dealt in detail. The systematic presentation of topics supported by ample diagrams, layouts, sketches and photographs of real-life equipment utilized in industry make this text ideal for learners to comprehend the subject.
Presents the most relevant concepts and techniques in power system protection. This second edition offers a new chapter on circuit breakers to further strengthen the text and meet the curriculum needs of universities. It includes around 300 well-annotated figures and numerous tables.
The handbook further addresses the issue of protection of switchgears, including protection schemes for medium voltage switchgears, generator protection for large generators, EHV transmission system control and protection, and integrated protection and control systems for sub-stations. The erection, commissioning, operation and maintenance aspects of switchgears under various conditions are also included, with experience-based information on the dos and don’ts of site work, inspection, and maintenance procedures. With its coverage of general concepts as well as consolidated information in the context of Indian conditions, this book is an essential reference for all practicing switchgear engineers, institutions, and academicians.
Designed to increase understanding on a practical and theoretical basis, this invaluable resource provides engineers, plant operators, electricians and technicians with a thorough grounding in the principles and practicalities behind power system protection. Coverage of the fundamental knowledge needed to specify, use and maintain power protection systems is included, helping readers to increase plant efficiency, performance and safety. Consideration is also given to the practical techniques and engineering challenges encountered on a day-to-day basis, making this an essential resource for all.