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Author: T. DAVIES
Publisher: Elsevier
ISBN: 0080515282
Category : Technology & Engineering
Languages : en
Pages : 245
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Book Description
The protection which is installed on an industrial power system is likely to be subjected to more difficult conditions than the protection on any other kind of power system. Starting with the many simple devices which are employed and covering the whole area of industrial power system protection, this book aims to help achieve a thorough understanding of the protection necessary.Vital aspects such as the modern cartridge fuse, types of relays, and the role of the current transformer are covered and the widely used inverse definite-minimum time overcurrent relay, the theory of the Merz-Price protection system and the development of the high-impedance relay system are critically examined. This new edition has come about in response to the dramatic change from the use of electro-magnetic relays to electronic and micro-processor relays which figure in practically all new installations. Therefore, although the theory and usage are the same, the application can be much improved owing to the increased range and accuracy and the added facilities provided with the modern relays. This book reflects the change and explains the technical advantages.
Author: T. DAVIES
Publisher: Elsevier
ISBN: 0080515282
Category : Technology & Engineering
Languages : en
Pages : 245
Get Book Here
Book Description
The protection which is installed on an industrial power system is likely to be subjected to more difficult conditions than the protection on any other kind of power system. Starting with the many simple devices which are employed and covering the whole area of industrial power system protection, this book aims to help achieve a thorough understanding of the protection necessary.Vital aspects such as the modern cartridge fuse, types of relays, and the role of the current transformer are covered and the widely used inverse definite-minimum time overcurrent relay, the theory of the Merz-Price protection system and the development of the high-impedance relay system are critically examined. This new edition has come about in response to the dramatic change from the use of electro-magnetic relays to electronic and micro-processor relays which figure in practically all new installations. Therefore, although the theory and usage are the same, the application can be much improved owing to the increased range and accuracy and the added facilities provided with the modern relays. This book reflects the change and explains the technical advantages.
Author: Shoaib Khan
Publisher: CRC Press
ISBN: 1420015397
Category : Technology & Engineering
Languages : en
Pages : 488
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Book Description
The modernization of industrial power systems has been stifled by industry's acceptance of extremely outdated practices. Industry is hesitant to depart from power system design practices influenced by the economic concerns and technology of the post World War II period. In order to break free of outdated techniques and ensure product quality and continuity of operations, engineers must apply novel techniques to plan, design, and implement electrical power systems. Based on the author's 40 years of experience in Industry, Industrial Power Systems illustrates the importance of reliable power systems and provides engineers the tools to plan, design, and implement one. Using materials from IEEE courses developed for practicing engineers, the book covers relevant engineering features and modern design procedures, including power system studies, grounding, instrument transformers, and medium-voltage motors. The author provides a number of practical tables, including IEEE and European standards, and design principles for industrial applications. Long overdue, Industrial Power Systems provides power engineers with a blueprint for designing electrical systems that will provide continuously available electric power at the quality and quantity needed to maintain operations and standards of production.
Author: Kamal Maity
Publisher:
ISBN: 9781973316923
Category :
Languages : en
Pages : 231
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Book Description
This book will be useful for fresh graduate and post graduate Electrical engineering students & Working professional. This book convers basic Design concept with theory and practical project calculation related to Electrical Protection & it will be a very good handbook for fresh engineer & also experienced professionals. This book contain following Topics: WHY WE NEED PROTECTIVE APPARATUS BASIC FUNCTION OF PROTECTION EQUIPMENTS BASIC PROTECTION EQUIPMENTS POWER SYSTEM PROTECTION FAULTS, TYPES AND EFFECTS VARIOUS TYPES OF DISTRIBUTION SYSTEM TYPES OF VARIOUS FAULT AND THEIR EFFECT ACTIVE FAULTS PASSIVE FAULTS TYPES OF FAULTS ON A THREE-PHASE SYSTEM TRANSIENT AND PERMANENT FAULTS SYMMETRICAL AND ASYMMETRICAL FAULTS CALCULATION OF SHORT-CIRCUIT MVA FUSES HISTORICAL REWIREABLE TYPE CARTRIDGE TYPE FUSE OPERATING CHARACTERISTICS FUSE 'LET THROUGH' ENERGY SELECTION OF FUSE SPECIAL TYPES IS-LIMITER CIRCUIT BREAKERS INTRODUCTION PURPOSE OF CIRCUIT BREAKERS CURRENT UNDER FAULT CONDITION TYPES OF CIRCUIT BREAKERS TYPES OF MECHANISMS COMPARISON OF BREAKER TYPES RELAYS INTRODUCTION ELECTROMECHANICAL IDMTL RELAY CURRENT (PLUG) PICK-UP SETTING TIME MULTIPLIER SETTING BURDEN SETTING OF AN IDMT RELAY FACTORS INFLUENCING CHOICE OF PLUG SETTING MICROPROCESSOR VSELECTRONIC VS TRADITIONAL RELAY BACKGROUND HANDLING OF THE ENERGIZING SIGNAL THE MICROPROCESSOR CIRCUITS THE OUTPUT STAGES THE OUTPUT STAGES UNIVERSAL MICROPROCESSOR OVERCURRENT RELAY ACCURACY OF SETTINGS RESET TIMES STARTING CHARACTERISTICS DUAL SETTING BANKS BREAKER FAIL PROTECTION DIGITAL DISPLAY MEMORIZED FAULT INFORMATION AUXILIARY POWER REQUIREMENTS FLEXIBLE SELECTION OF OUTPUT TYPE TESTING OF STATIC RELAYS TYPE TESTS SELF-SUPERVISION THE FUTURE OF PROTECTION FOR DISTRIBUTION SYSTEMS IED FUNCTIONS OF AN IED SUBSTATION AUTOMATION EXISTING SUBSTATIONS COMMUNICATION CAPABILITY COORDINATION BY TIME GRADING PROTECTION FOR MEDIUM- AND LOW-VOLTAGE NETWORKS INTRODUCTION WHY IDMT? TYPES OF RELAYS NETWORK APPLICATION SENSITIVE EARTH FAULT PROTECTION CONCLUSION LOW-VOLTAGE NETWORKS AIR CIRCUIT BREAKERS MOULDED CASE CIRCUIT BREAKERS CURRENT-LIMITING MCCBS APPLICATION AND SELECTIVE COORDINATION AIR CIRCUIT BREAKER EARTH LEAKAGE PROTECTION RELAY SETTING CALCULATION FOR LV DISTRIBUTION SYSTEM UNIT PROTECTION PROTECTIVE RELAY SYSTEMS MAIN OR UNIT PROTECTIONS BACK-UP PROTECTION DIFFERENTIAL PROTECTION BALANCED CIRCULATING CURRENT SYSTEM BALANCED VOLTAGE SYSTEM BIAS MACHINE DIFFERENTIAL PROTECTION TRANSFORMER DIFFERENTIAL PROTECTION SWITCHGEAR DIFFERENTIAL PROTECTION FEEDER PILOT-WIRE PROTECTION RECOMMENDED UNIT PROTECTION SYSTEMSE TAKEN TO CLEAR FAULTS ADVANTAGES OF UNIT PROTECTION FEEDER PROTECTION: CABLE FEEDERS AND OVERHEAD LINES DISTANCE PROTECTION TRIPPING CHARACTERISTICS APPLICATION ONTO A POWER LINE TRANSFORMER PROTECTION WINDING POLARITY TRANSFORMER CONNECTIONS TRANSFORMER MAGNETIZING CHARACTERISTICS IN-RUSH CURRENT NEUTRAL EARTHING MISMATCH OF CURRENT TRANSFORMERS TYPES OF FAULTS EARTH FAULT DIFFERENTIAL PROTECTION RESTRICTED EARTH FAULT HV OVERCURRENT BUCHHOLZ PROTECTION OVERLOADINGSIMILAR TOPICS FOR SWITCHGEAR, MOTOR, GENERATOR PROTECTIONS
Author: PAITHANKAR, Y. G.
Publisher: PHI Learning Pvt. Ltd.
ISBN: 8120341236
Category : Technology & Engineering
Languages : en
Pages : 379
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Book Description
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.
Author: T. Davies
Publisher: Pergamon
ISBN:
Category : House & Home
Languages : en
Pages : 260
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Book Description
The protection which is installed on an industrial power system is likely to be subjected to more difficult conditions than the protection on any other kind of power system. Starting with the many simple devices which are employed and covering the whole area of industrial power system protection, this book aims to help achieve a thorough understanding of the protection necessary. vital aspects such as the modern cartridge fuse, types of relays, and the role of the current transformer are covered and the widely used inverse definite-minimum time overcurrent relay, the theory of the Merz-Price protection system and the development of the high-impedance relay system are critically examined. This new edition has come about in response to the dramatic change from the use of electro-magnetic relays to electronic and micro-processor relays which figure in practically all new installations. Therefore, although the theory and usage are the same, the application can be much improved owing to the increased range and accuracy and the added facilities provided with the modern relays. This book reflects the change and explains the technical advantages.
Author: Ralph Fehr
Publisher: John Wiley & Sons
ISBN: 1119065089
Category : Technology & Engineering
Languages : en
Pages : 536
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Book Description
This new edition of Industrial Power Distribution addresses key areas of electric power distribution from an end-user perspective, which will serve industry professionals and students develop the necessary skills for the power engineering field. Expanded treatment of one-line diagrams, the per-unit system, complex power, transformer connections, and motor applications New topics in this edition include lighting systems and arc flash hazard Concept of AC Power is developed step by step from the basic definition of power Fourier analysis is described in a graphical sense End-of-chapter exercises If you are an instructor and adopted this book for your course, please email
[email protected] to get access to the instructor files for this book.
Author: Donald Beeman
Publisher: McGraw-Hill Companies
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 1002
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Book Description
Author: Sandro Corsi
Publisher: Springer
ISBN: 1447166361
Category : Technology & Engineering
Languages : en
Pages : 579
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Book Description
Based on the author’s twenty years of experience, this book shows the practicality of modern, conceptually new, wide area voltage control in transmission and distribution smart grids, in detail. Evidence is given of the great advantages of this approach, as well as what can be gained by new control functionalities which modern technologies now available can provide. The distinction between solutions of wide area voltage regulation (V-WAR) and wide area voltage protection (V-WAP) are presented, demonstrating the proper synergy between them when they operate on the same power system as well as the simplicity and effectiveness of the protection solution in this case. The author provides an overview and detailed descriptions of voltage controls, distinguishing between generalities of underdeveloped, on-field operating applications and modern and available automatic control solutions, which are as yet not sufficiently known or perceived for what they are: practical, high-performance and reliable solutions. At the end of this thorough and complex preliminary analysis the reader sees the true benefits and limitations of more traditional voltage control solutions, and gains an understanding and appreciation of the innovative grid voltage control and protection solutions here proposed; solutions aimed at improving the security, efficiency and quality of electrical power system operation around the globe. Voltage Control and Protection in Electrical Power Systems: from System Components to Wide Area Control will help to show engineers working in electrical power companies and system operators the significant advantages of new control solutions and will also interest academic control researchers studying ways of increasing power system stability and efficiency.
Author: John Ciufo
Publisher: John Wiley & Sons
ISBN: 1119847362
Category : Technology & Engineering
Languages : en
Pages : 564
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Book Description
An all-in-one resource on power system protection fundamentals, practices, and applications Made up of an assembly of electrical components, power system protections are a critical piece of the electric power system. Despite its central importance to the safe operation of the power grid, the information available on the topic is limited in scope and detail. In Power System Protection: Fundamentals and Applications, a team of renowned engineers delivers an authoritative and robust overview of power system protection ideal for new and early-career engineers and technologists. The book offers device- and manufacturer-agnostic fundamentals using an accessible balance of theory and practical application. It offers a wealth of examples and easy-to-grasp illustrations to aid the reader in understanding and retaining the information provided within. In addition to providing a wealth of information on power system protection applications for generation, transmission, and distribution facilities, the book offers readers: A thorough introduction to power system protection, including why it's required and foundational definitions Comprehensive explorations of basic power system protection components, including instrument transformers, terminations, telecommunications, and more Practical discussions of basic types of protection relays and their operation, including overcurrent, differential, and distance relays In-depth examinations of breaker failure protection and automatic reclosing, including typical breaker failure tripping zones, logic paths, pedestal breakers, and more Perfect for system planning engineers, system operators, and power system equipment specifiers, Power System Protection: Fundamentals and Applications will also earn a place in the libraries of design and field engineers and technologists, as well as students and scholars of power-system protection.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309114047
Category : Political Science
Languages : en
Pages : 165
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Book Description
The electric power delivery system that carries electricity from large central generators to customers could be severely damaged by a small number of well-informed attackers. The system is inherently vulnerable because transmission lines may span hundreds of miles, and many key facilities are unguarded. This vulnerability is exacerbated by the fact that the power grid, most of which was originally designed to meet the needs of individual vertically integrated utilities, is being used to move power between regions to support the needs of competitive markets for power generation. Primarily because of ambiguities introduced as a result of recent restricting the of the industry and cost pressures from consumers and regulators, investment to strengthen and upgrade the grid has lagged, with the result that many parts of the bulk high-voltage system are heavily stressed. Electric systems are not designed to withstand or quickly recover from damage inflicted simultaneously on multiple components. Such an attack could be carried out by knowledgeable attackers with little risk of detection or interdiction. Further well-planned and coordinated attacks by terrorists could leave the electric power system in a large region of the country at least partially disabled for a very long time. Although there are many examples of terrorist and military attacks on power systems elsewhere in the world, at the time of this study international terrorists have shown limited interest in attacking the U.S. power grid. However, that should not be a basis for complacency. Because all parts of the economy, as well as human health and welfare, depend on electricity, the results could be devastating. Terrorism and the Electric Power Delivery System focuses on measures that could make the power delivery system less vulnerable to attacks, restore power faster after an attack, and make critical services less vulnerable while the delivery of conventional electric power has been disrupted.
