June 15, 2021

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Microgrid Architectures, Control and Protection Methods

Microgrid Architectures, Control and Protection Methods
Author : Naser Mahdavi Tabatabaei,Ersan Kabalci,Nicu Bizon
Publisher : Springer
Release Date : 2019-08-01
Category : Technology & Engineering
Total pages :781
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This book presents intuitive explanations of the principles of microgrids, including their structure and operation and their applications. It also discusses the latest research on microgrid control and protection technologies and the essentials of microgrids as well as enhanced communication systems. The book provides solutions to microgrid operation and planning issues using various methodologies including planning and modelling; AC and DC hybrid microgrids; energy storage systems in microgrids; and optimal microgrid operational planning. Written by specialists, it is filled in innovative solutions and research related to microgrid operation, making it a valuable resource for those interested in developing updated approaches in electric power analysis, design and operational strategies. Thanks to its in-depth explanations and clear, three-part structure, it is useful for electrical engineering students, researchers and technicians.

Microgrids

Microgrids
Author : Amjad Anvari-Moghaddam,Hamdi Abdi,Behnam Mohammadi-Ivatloo,Nikos Hatziargyriou
Publisher : Springer Nature
Release Date : 2021-04-16
Category : Technology & Engineering
Total pages :643
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This book provides a comprehensive overview on the latest developments in the control, operation, and protection of microgrids. It provides readers with a solid approach to analyzing and understanding the salient features of modern control and operation management techniques applied to these systems, and presents practical methods with examples and case studies from actual and modeled microgrids. The book also discusses emerging concepts, key drivers and new players in microgrids, and local energy markets while addressing various aspects from day-ahead scheduling to real-time testing of microgrids. The book will be a valuable resource for researchers who are focused on control concepts, AC, DC, and AC/DC microgrids, as well as those working in the related areas of energy engineering, operations research and its applications to energy systems. Presents modern operation, control and protection techniques with applications to real world and emulated microgrids; Discusses emerging concepts, key drivers and new players in microgrids and local energy markets; Addresses various aspects from day-ahead scheduling to real-time testing of microgrids.

Microgrid: Operation, Control, Monitoring and Protection

Microgrid: Operation, Control, Monitoring and Protection
Author : Papia Ray
Publisher : Springer Nature
Release Date : 2021
Category :
Total pages :129
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Microgrid Protection and Control

Microgrid Protection and Control
Author : Dehua Zheng,Wei Zhang,Solomon Netsanet,Ping Wang,Girmaw Teshager Bitew,Dan Wei,Jun Yue
Publisher : Academic Press
Release Date : 2021-07-01
Category : Technology & Engineering
Total pages :350
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Microgrid Protection and Control is the result of numerous research works and publications by R&D engineers and scientists of the Microgrid and Energy Internet Research Centre. Through the authors long-routed experience in the microgrid and energy internet industry, this book looks at the sophisticated protection and control issues connected to the special nature of microgrid. The book explains the different ways of classifying types of microgrids and common misconceptions, looking at industrial and research trends along with the different technical issues and challenges faced with deploying microgrid in various settings. Forecasting short-term demand and renewable generation for optimal operation is covered with techniques for accurate enhancement supported with practical application examples. With chapters on dynamic, transient and tertiary control and experimental and simulation tests this reference is useful for all those working in the research, engineering and application of microgrids and power distribution systems. Contains practical examples to support the research and experimental results on microgrid protection and control Includes detailed theories and referential algorithms Provides innovative solutions to technical issues in protection and control of microgrids

Design of a DC Microgrid Protection System Using a Central Control Unit

Design of a DC Microgrid Protection System Using a Central Control Unit
Author : Grace Simelin Madingou Kissidi
Publisher : Unknown
Release Date : 2014
Category :
Total pages :44
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The use of distributed resources in the electric power system at the distribution level has opened new possibilities; among others, the overwhelming use of the DC microgrid in rural areas, electric vehicles, and ships. Most challenges associated with the DC microgrid in the protection system are related to ground fault. While low impedance ground fault can be detected through a high current surge, high impedance ground fault remains difficult due to a small current fault and a small reduction of the DC link voltage. The purpose of this project is to design a DC microgrid protection system capable of detecting and isolating ground faults impedance, both for a ring and radial bus configuration. To accomplish this goal, a new method has been developed for a DC ring bus while artificial neural network has been used for a DC radial bus configuration. Throughout the length of this document, their algorithms and performance will be discussed.

Microgrids

Microgrids
Author : Nikos Hatziargyriou
Publisher : John Wiley & Sons
Release Date : 2014-03-03
Category : Technology & Engineering
Total pages :340
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Microgrids are the most innovative area in the electric power industry today. Future microgrids could exist as energy-balanced cells within existing power distribution grids or stand-alone power networks within small communities. A definitive presentation on all aspects of microgrids, this text examines the operation of microgrids – their control concepts and advanced architectures including multi-microgrids. It takes a logical approach to overview the purpose and the technical aspects of microgrids, discussing the social, economic and environmental benefits to power system operation. The book also presents microgrid design and control issues, including protection and explaining how to implement centralized and decentralized control strategies. Key features: original, state-of-the-art research material written by internationally respected contributors unique case studies demonstrating success stories from real-world pilot sites from Europe, the Americas, Japan and China examines market and regulatory settings for microgrids, and provides evaluation results under standard test conditions a look to the future – technical solutions to maximize the value of distributed energy along with the principles and criteria for developing commercial and regulatory frameworks for microgrids Offering broad yet balanced coverage, this volume is an entry point to this very topical area of power delivery for electric power engineers familiar with medium and low voltage distribution systems, utility operators in microgrids, power systems researchers and academics. It is also a useful reference for system planners and operators, manufacturers and network operators, government regulators, and postgraduate power systems students. CONTRIBUTORS Thomas Degner Aris Dimeas Alfred Engler Nuno Gil Asier Gil de Muro Guillermo Jiménez-Estévez George Kariniotakis George Korres André Madureira Meiqin Mao Chris Marnay Jose Miguel Yarza Satoshi Morozumi Alexander Oudalov Frank van Overbeeke Rodrigo Palma Behnke Joao Abel Pecas Lopes Fernanda Resende John Romankiewicz Christine Schwaegerl Nikos Soultanis Liang Tao Antonis Tsikalakis

Microgrid Protection and Control

Microgrid Protection and Control
Author : Dehua Zheng,Wei Zhang,Solomon Netsanet,Ping Wang,Girmaw Teshager Bitew,Dan Wei,Jun Yue
Publisher : Academic Press
Release Date : 2021-07-15
Category : Technology & Engineering
Total pages :350
GET BOOK

Microgrid Protection and Control is the result of numerous research works and publications by R&D engineers and scientists of the Microgrid and Energy Internet Research Centre. Through the authors long-routed experience in the microgrid and energy internet industry, this book looks at the sophisticated protection and control issues connected to the special nature of microgrid. The book explains the different ways of classifying types of microgrids and common misconceptions, looking at industrial and research trends along with the different technical issues and challenges faced with deploying microgrid in various settings. Forecasting short-term demand and renewable generation for optimal operation is covered with techniques for accurate enhancement supported with practical application examples. With chapters on dynamic, transient and tertiary control and experimental and simulation tests this reference is useful for all those working in the research, engineering and application of microgrids and power distribution systems. Contains practical examples to support the research and experimental results on microgrid protection and control Includes detailed theories and referential algorithms Provides innovative solutions to technical issues in protection and control of microgrids

Micro-grids

Micro-grids
Author : Mahmoud Ghofrani
Publisher : BoD – Books on Demand
Release Date : 2019-09-11
Category : Technology & Engineering
Total pages :144
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The integration of recent and emerging energy technologies in the existing electric grid requires modifications in several aspects of the grid, including its architecture, protection, operation, and control. Micro-grid provides a solution for integrating distributed energy resources such as renewable energy generation, energy storage systems, electric vehicles, controllable loads, etc. and delivers flexibility, security, and reliability by operating in both grid-connected and isolated modes. This book provides an overview of micro-grid solutions, applications, and implementations. State-of-the-art methods for micro-grid operation, optimization, and control are presented. Distributed energy resources and their interactions in micro-grids are also studied. In addition, micro-grid designs, architectures, and standards are covered, as are micro-grid protection strategies and schemes for different operation modes.

Protection and Control of Active Distribution Networks and Microgrids

Protection and Control of Active Distribution Networks and Microgrids
Author : Mohammad Amin Zamani
Publisher : Unknown
Release Date : 2012
Category :
Total pages :350
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This thesis is mainly focused on (i) modeling and control of Electronically Coupled Distributed Energy Resources (EC-DERs) under severe network imbalances and transient incidents, and (ii) protection of active distribution networks and microgrids against different types of faults. In the first part, an enhanced control strategy is proposed to improve the performance of EC-DERs under faults and transient disturbances, in a multiunit microgrid setting. With the use of proposed control strategy, the host microgrid can ride through network faults, irrespective of whether they take place within the microgrid jurisdiction or impact the upstream grid, and quickly reclaim its pre-fault operating conditions to improve post-fault recovery. Further, the proposed control scheme enables the host microgrid to retain its power quality for the duration of the faults, in both modes of operation, which is a desirable property for detection of certain classes of faults, as well as for sensitive loads. In the second part of the thesis, appropriate strategies are proposed for protection of low- and medium-voltage microgrids in the islanded mode as well as the grid-connected mode of operation. The proposed protection strategies aim to detect and isolate the faults that impact the microgrid, in a selective manner. The proposed strategies can be implemented through programmable logic tools which are commercially available; hence, the structures of new relays that enable the proposed protection strategies are also discussed in the thesis. In addition, the thesis investigates the operation of an existing distribution network as a microgrid. Thus, practical control and protection strategies that enable off-grid operation of the distribution network (considering the system constraints) are discussed. The effectiveness of the proposed control and protection strategies are demonstrated through time-domain simulation studies conducted in the PSCAD/EMTDC software environment.

Protection and Automation of Microgrids for Flexible Distribution of Energy and Storage Resources

Protection and Automation of Microgrids for Flexible Distribution of Energy and Storage Resources
Author : Mohammed A. Haj-ahmed
Publisher : Unknown
Release Date : 2015
Category :
Total pages :127
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The increased penetration of distributed generation (DG) in distribution networks has a direct impact on the network reliability, protection, and stability. Traditional protection strategies require extensive investigation as more DGs get introduced into the network. Inverter-based DGs are of particular concern in microgrid protection and automation since their controllers play a principal role in the DG behavior. Controllers of the inverter-based DGs regulate their output voltage, while some commercial inverter-based DG types use internal control loops to regulate the output current. Those commercial controllers may switch their control mode from current control mode to voltage control mode or vice versa. Switching from one mode to another will directly affect the fault characteristics of the generator and require major modifications on the protection scheme. Coordination between the controller's functions and the protection strategy is done adaptively as the control mode changes. On the other hand, Flexible Distribution of EneRgy and Storage devices (FDERS), which is a newly proposed framework aims to increase microgrid controllability and robustness, adjust the interconnection impedance between a distributed generator and a load by changing the controller reference voltage. This adjustment causes protection problems that may lead to maloperation of current-based protection relays. Coordination between the controller actions and protection devices is done this time by adding more constraints on current-based relays. Flexible Distribution of EneRgy and Storage resources (FDERS) was a recently proposed concept for islanded microgrids, and it offers several benefits including extended system controllability with improved system robustness, optimal energy resource deployment and increased lifetime. As the FDERS also involves a modification of DER controls, its implementation is found to have an impact on the distribution system protection schemes. In this work, I propose new protection strategies that are coordinated with controller's actions done in multi-function inverters or by implementing FDERS systems. The newly proposed protection strategies are recommended for dependable and secure system operation. In addition, a thorough investigation of CERTS/AEP microgrid protection scheme is presented in this work; recommendations given are based on improved coordination between different protection devices in the microgrid.

Design of Reliable and Secure System Protection and Control Schemes in Microgrids Consisting of Inverter-Based Distributed Energy Resources

Design of Reliable and Secure System Protection and Control Schemes in Microgrids Consisting of Inverter-Based Distributed Energy Resources
Author : Aleksandar Aleksandar Vukojevic
Publisher : Unknown
Release Date : 2020
Category :
Total pages :227
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Operation and Control of Renewable Energy Systems

Operation and Control of Renewable Energy Systems
Author : Mukhtar Ahmad
Publisher : John Wiley & Sons
Release Date : 2017-11-08
Category : Science
Total pages :384
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A comprehensive reference to renewable energy technologies with a focus on power generation and integration into power systems This book addresses the generation of energy (primarily electrical) through various renewable sources. It discusses solar and wind power—two major resources that are now in use in small as well as large-scale power production—and their requirements for effectively using advanced control techniques.In addition, the book looks at theintegration of renewable energy in the power grid and its ability to work in a micro grid. Operation and Control of Renewable Energy Systems describes the numerous types of renewable energy sources available and the basic principles involving energy conversion, including the theory of fluid mechanics and the laws of thermodynamics. Chapter coverage includes the theory of power electronics and various electric power generators, grid scale energy storage systems, photovoltaic power generation, solar thermal energy conversion technology, horizontal and vertical wind turbines for power generation, and more. Covers integration into power systems with an emphasis on microgrids Introduces a wide range of subjects related to renewable energy systems, including energy storage, microgrids, and battery technologies Includes tutorial materials such as up-to-date references for wind energy, grid connection, and power electronics—plus worked examples and solutions Operation and Control of Renewable Energy Systems is the perfect introduction to renewable energy technologies for undergraduate and graduate students and can also be very useful to practicing engineers.

Modeling, Control, Estimation, and Optimization for Microgrids

Modeling, Control, Estimation, and Optimization for Microgrids
Author : Zhixiong Zhong
Publisher : CRC Press
Release Date : 2019-10-28
Category : Technology & Engineering
Total pages :379
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Due to increasing economic and environmental pressures, small-scale grids have received increasing attention in the last fifteen years. These renewable sources, such as solar PVs, wind turbines, and fuel cells, integrated with grid, have changed the way we live our lives. This book describes microgrid dynamics modeling and nonlinear control issues from introductory to the advanced steps. The book addresses the most relevant challenges in microgrid protection and control including modeling, uncertainty, stability issues, local control, coordination control, power quality, and economic dispatch.

Microgrid Design and Operation: Toward Smart Energy in Cities

Microgrid Design and Operation: Toward Smart Energy in Cities
Author : Federico Delfino ,Renato Procopio,Mansueto Rossi,Massimo Brignone,Michela Robba,Stefano Bracco
Publisher : Artech House
Release Date : 2018-08-31
Category : Technology & Engineering
Total pages :306
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With the growth of renewable energy sources, microgrids have become a key component in the distribution of power to localized areas while connected to the traditional grid or operating in a disconnected island mode. Based on the extensive real-world experience of the authors, this cutting-edge resource provides a basis for the design, installation, and day-by-day management of microgrids. Professionals find coverage of the critical aspects they need to understand, from the initial planning and the selection of the most appropriate technologies and equipment, to optimal management and real-time control. Moreover, this forward-looking book places emphasis on new architectures of the energy systems of the future. Written in accessible language with practical examples, the book explains advanced topics such as optimization algorithms for energy management systems, control issues for both on-grid and island mode, and microgrid protection. Practitioners are also provided with a complete vision for the deployment of the microgrid in smart cities.

Smart Grids

Smart Grids
Author : Stuart Borlase
Publisher : CRC Press
Release Date : 2017-11-22
Category : Technology & Engineering
Total pages :806
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The latest edition features a new chapter on implementation and operation of an integrated smart grid with updates to multiple chapters throughout the text. New sections on Internet of things, and how they relate to smart grids and smart cities, have also been added to the book. It describes the impetus for change in the electric utility industry and discusses the business drivers, benefits, and market outlook of the smart grid initiative. The book identifies the technical framework of enabling technologies and smart solutions and describes the role of technology developments and coordinated standards in smart grid, including various initiatives and organizations helping to drive the smart grid effort. With chapters written by leading experts in the field, the text explains how to plan, integrate, implement, and operate a smart grid.