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Automatic System Restoration For Industrial Power Systems

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Author by : Anusha Papasani
Languange Used : en
Release Date : 2021
Publisher by :

ISBN : OCLC:1322279755

The power system industry often operates close to its limits to accommodate the increased demand posing a high risk of blackouts. Power system restoration techniques are utilized post breakout with the focus on load pickup and speedy recovery. In traditional heuristic methods, the load is considered to be constant after it is picked. However, from a system operation point of view, the load varies once picked. This is commonly observed in industrial loads. In Industrial systems, loads, which involve many induction motors, are started in sequence. The high starting currents of the induction motors leads to voltage sags that may affect variable speed drives and cause contactors to drop out. If the load variation and inrush currents are not considered, load at the time of pickup will be significantly underestimated at the time of pickup which might lead to a system re-collapse. Besides, one may have to prioritize the loads to help the operator during restoration. An automatic power system restoration tool is developed by using graph theory to provide an efficient restoration path and considers the priority of the loads, Cold load pickup (CLPU), Inrush currents, and load variation after picking up for a smooth and successful restoration process. Evolution of the smart grid, the Intelligent Electronic Device (IED) has been videployed throughout the power system network for monitoring and control. Therefore, this dissertation takes advantages on the availability of IEDs to report the loads on the feeder right before the system blackout and the real-time load during the system restoration. The industrial system and IEEE 30 bus system are used as a test cases to demonstrate the effectiveness of the proposed methodology....

Brief Van Gerhard Prager 1920 Aan Adrianus Cornelis Den Besten 1923

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Author by :
Languange Used : en
Release Date : 1956
Publisher by :

ISBN : OCLC:798855849

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Industrial Power Systems

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Author by : Shoaib Khan
Languange Used : en
Release Date : 2018-10-03
Publisher by : CRC Press

ISBN : 9781351837323

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....

Terrorism And The Electric Power Delivery System

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Author by : National Research Council
Languange Used : en
Release Date : 2012-11-25
Publisher by : National Academies Press

ISBN : 9780309114042

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....

Electric Power Distribution Automation Protection And Control

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Author by : James A. Momoh
Languange Used : en
Release Date : 2017-12-19
Publisher by : CRC Press

ISBN : 9781420006254

New methods for automation and intelligent systems applications, new trends in telecommunications, and a recent focus on renewable energy are reshaping the educational landscape of today's power engineer. Providing a modern and practical vehicle to help students navigate this dynamic terrain, Electric Power Distribution, Automation, Protection, and Control infuses new directions in computation, automation, and control into classical topics in electric power distribution. Ideal for a one-semester course for senior undergraduates or first-year graduate students, this text works systematically through basic distribution principles, renewable energy sources, computational tools and techniques, reliability, maintenance, distribution automation, and telecommunications. Numerous examples, problems, and case studies offer practical insight into the concepts and help build a working knowledge of protection schemes, fault analysis and synthesis, reliability analysis, intelligent automation systems, distribution management systems, and distribution system communications. The author details different renewable energy sources and teaches students how to evaluate them in terms of size, cost, and performance. Guided firmly by the author's wealth of industrial and academic experience, your students will learn the tools and techniques used to design, build, and operate future generations of distribution systems with unparalleled efficiency, robustness, and sustainability....

Industrial Power Systems

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Author by : Amitava Sil
Languange Used : en
Release Date : 2022-04-26
Publisher by : CRC Press

ISBN : 9781000567298

Industrial Power Systems: Evolutionary Aspects provides evolutionary and integrated aspects of industrial power systems including review of development of modern power systems from DC to microgrid. Generation options of thermal and hydro power including nuclear and power from renewables are discussed along with concepts for single-line diagram, overhead transmission lines, concepts of corona, sag, overhead insulators and over voltage protective devices. Subsequent chapters cover analysis of power systems and power system protection with basic concept of power system planning and economic operations. Features: Covers the fundamentals of power systems, including its design, analysis, market structure and economic operations Discusses performance of transmission lines with associated parameters, determination of performance and load flow analysis Reviews residual generation/load imbalance as handled by the automatic generation control (AGC) Includes different advanced technologies including HTLS overhead conductor, XLPE cable, vacuum/SF6 circuit breaker, solid state relays, among others Explores practical aspects required for field level work such as installation of cable network for power distribution purposes, types of earthing and tariff mechanism This book will be of interest to graduate students, researchers and professionals in power engineering, load flow and power systems protection....

Automatic Restoration Of Power Supply In Distribution Systems By Computer Aided Technologies

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Author by : Daniel Bernardon
Languange Used : en
Release Date : 2012
Publisher by :

ISBN : OCLC:1154191434

Automatic Restoration of Power Supply in Distribution Systems by Computer-Aided Technologies....

On Power System Automation

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Author by : Christoph Brosinsky
Languange Used : en
Release Date : 2023-01-01
Publisher by : BoD – Books on Demand

ISBN : 9783863602666

The ubiquitous digital transformation also influences power system operation. Emerging real-time applications in information (IT) and operational technology (OT) provide new opportunities to address the increasingly demanding power system operation imposed by the progressing energy transition. This IT/OT convergence is epitomised by the novel Digital Twin (DT) concept. By integrating sensor data into analytical models and aligning the model states with the observed system, a power system DT can be created. As a result, a validated high-fidelity model is derived, which can be applied within the next generation of energy management systems (EMS) to support power system operation. By providing a consistent and maintainable data model, the modular DT-centric EMS proposed in this work addresses several key requirements of modern EMS architectures. It increases the situation awareness in the control room, enables the implementation of model maintenance routines, and facilitates automation approaches, while raising the confidence into operational decisions deduced from the validated model. This gain in trust contributes to the digital transformation and enables a higher degree of power system automation. By considering operational planning and power system operation processes, a direct link to practice is ensured. The feasibility of the concept is examined by numerical case studies....

Enhancing The Resilience Of The Nation S Electricity System

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Author by : National Academies of Sciences, Engineering, and Medicine
Languange Used : en
Release Date : 2017-10-25
Publisher by : National Academies Press

ISBN : 9780309463072

Americans' safety, productivity, comfort, and convenience depend on the reliable supply of electric power. The electric power system is a complex "cyber-physical" system composed of a network of millions of components spread out across the continent. These components are owned, operated, and regulated by thousands of different entities. Power system operators work hard to assure safe and reliable service, but large outages occasionally happen. Given the nature of the system, there is simply no way that outages can be completely avoided, no matter how much time and money is devoted to such an effort. The system's reliability and resilience can be improved but never made perfect. Thus, system owners, operators, and regulators must prioritize their investments based on potential benefits. Enhancing the Resilience of the Nation's Electricity System focuses on identifying, developing, and implementing strategies to increase the power system's resilience in the face of events that can cause large-area, long-duration outages: blackouts that extend over multiple service areas and last several days or longer. Resilience is not just about lessening the likelihood that these outages will occur. It is also about limiting the scope and impact of outages when they do occur, restoring power rapidly afterwards, and learning from these experiences to better deal with events in the future....

Ieee Conference Record Of 1968 Industrial And Commercial Power Systems And Electric Space Heating And Air Conditioning Joint Technical Conference

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Author by :
Languange Used : en
Release Date : 1968
Publisher by :

ISBN : UCSD:31822023815301

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