New Approaches To Dynamic Equivalent Of Active Distribution Network For Transient Analysis
DOWNLOAD
Download New Approaches To Dynamic Equivalent Of Active Distribution Network For Transient Analysis PDF/ePub or read online books in Mobi eBooks. Click Download or Read Online button to get New Approaches To Dynamic Equivalent Of Active Distribution Network For Transient Analysis book now. This website allows unlimited access to, at the time of writing, more than 1.5 million titles, including hundreds of thousands of titles in various foreign languages. If the content not found or just blank you must refresh this page
New Approaches To Dynamic Equivalent Of Active Distribution Network For Transient Analysis
DOWNLOAD
Author : Xiang Wu
language : en
Publisher:
Release Date : 2016
New Approaches To Dynamic Equivalent Of Active Distribution Network For Transient Analysis written by Xiang Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Transient Analysis Of Power Systems
DOWNLOAD
Author : Juan A. Martinez-Velasco
language : en
Publisher: John Wiley & Sons
Release Date : 2015-01-27
Transient Analysis Of Power Systems written by Juan A. Martinez-Velasco and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-27 with Technology & Engineering categories.
The simulation of electromagnetic transients is a mature field that plays an important role in the design of modern power systems. Since the first steps in this field to date, a significant effort has been dedicated to the development of new techniques and more powerful software tools. Sophisticated models, complex solution techniques and powerful simulation tools have been developed to perform studies that are of supreme importance in the design of modern power systems. The first developments of transients tools were mostly aimed at calculating over-voltages. Presently, these tools are applied to a myriad of studies (e.g. FACTS and Custom Power applications, protective relay performance, simulation of smart grids) for which detailed models and fast solution methods can be of paramount importance. This book provides a basic understanding of the main aspects to be considered when performing electromagnetic transients studies, detailing the main applications of present electromagnetic transients (EMT) tools, and discusses new developments for enhanced simulation capability. Key features: Provides up-to-date information on solution techniques and software capabilities for simulation of electromagnetic transients. Covers key aspects that can expand the capabilities of a transient software tool (e.g. interfacing techniques) or speed up transients simulation (e.g. dynamic model averaging). Applies EMT-type tools to a wide spectrum of studies that range from fast electromagnetic transients to slow electromechanical transients, including power electronic applications, distributed energy resources and protection systems. Illustrates the application of EMT tools to the analysis and simulation of smart grids.
Probabilistic Evaluation Of Transient Stability Of Active Distribution Networks
DOWNLOAD
Author : Mayssam Amiri
language : en
Publisher:
Release Date : 2018
Probabilistic Evaluation Of Transient Stability Of Active Distribution Networks written by Mayssam Amiri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
The main objective of the research described in this thesis is to develop appropriate models and techniques for the probabilistic transient stability assessment of active distribution networks and extend the conventional well-being framework to the area of power system transient stability assessment. Transient stability assessment is one of the important aspects in power system planning and operating. The transient stability performance of power systems can be evaluated using either a deterministic method or a probabilistic approach. Deterministic methods are unable to fully recognize and reflect the actual risk associated with a given system and therefore the industry is leaning towards using probabilistic methods. This is particularly true with the introduction of non-dispatchable renewable generation in the energy supply. A probabilistic approach based on Monte Carlo simulation is, therefore, proposed in this thesis to accurately model and evaluate the risk of various uncertainties associated with active distribution networks transient stability performance. The approach utilizes the calculation accuracy of Electromagnetic Transient (EMT) simulator such as PSCAD/EMTDC and computationally-efficient algorithms such as parallel computing to facilitate the probabilistic transient stability evaluation of active distribution networks. A framework for advancing the industry knowledge in the area of power system transient stability well-being analysis is also proposed. Well-being analysis uses an acceptable deterministic criterion incorporated into probabilistic assessment to assign a comfort level to the power system in terms of healthy, marginal, and risk states probabilities. The concepts, models and methodologies are illustrated using the results obtained from studies on a practical active distribution network.
Network Equivalents Applied To Transient Analysis Of Large Distribution Systems
DOWNLOAD
Author : Ghassan Abdul-Hussein Bilal
language : en
Publisher:
Release Date : 2019
Network Equivalents Applied To Transient Analysis Of Large Distribution Systems written by Ghassan Abdul-Hussein Bilal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Electric network analysis categories.
Frequency domain (FD) methods for electromagnetic transient analysis of electric power systems offer outstanding simplicity and accuracy when dealing with distributed parameter elements and components that exhibit frequency-dependent behavior. However, the use of FD methods is usually restricted to the simulation of small and simple networks, since it is commonly believed that their application implies a very large computational burden when compared to time domain methods. This study demonstrates that FD methods can accommodate the detailed simulation of large distribution networks within acceptable computer times and in a very straightforward manner, thus offering an attractive complement or alternative to common time domain tools. For this purpose, the basic methodology and guidelines for the frequency domain modeling of the most common components of distribution systems are described in detail, as well as a general approach for network construction, reduction, and solution. The elements considered include overhead lines, underground cables, transformers, circuit breakers and loads. As an added advantage of FD methods, the application of network equivalent techniques for the reduction of large systems is considerably simpler than in time domain, as shown in this study. This is particularly valuable for the simulation of distribution systems given their size and complexity. Initially, transmission line, underground cable, and transformer models are implemented separately for verification purposes. In addition, a simplified distribution network and a test feeder from IEEE (13-bus) are constructed to demonstrate that the network reduction technique does not imply any loss of accuracy, and it also provides very similar results when compared with the complete network implementation in Electromagnetic Transient Type Program-Alternative Transients Program (EMTP-ATP). Then, 3 test cases corresponding to larger distribution systems are simulated. They correspond to IEEE test feeders with 34 and 123 nodes and a synthetic system with 1188 nodes emulating a densely meshed urban distribution network. These cases demonstrate the generality of the methodology and the ability of the network reduction to simplify the system and efficiently reduce the computational burden in the simulation of large systems.
Equivalent Distribution Networks For Power Systems Grey Box Models For The Dynamic Behavior Of Active Distribution Networks
DOWNLOAD
Author : Thomas Würl
language : en
Publisher:
Release Date : 2023
Equivalent Distribution Networks For Power Systems Grey Box Models For The Dynamic Behavior Of Active Distribution Networks written by Thomas Würl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Application Of Transient Based Methods For Improving The Selectivity And Speed Of Protection Systems Used In Active Distribution Networks
DOWNLOAD
Author : Amila Nuwan Pathirana Karasin Pathirannahalage
language : en
Publisher:
Release Date : 2020
Application Of Transient Based Methods For Improving The Selectivity And Speed Of Protection Systems Used In Active Distribution Networks written by Amila Nuwan Pathirana Karasin Pathirannahalage and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
The interconnection of distributed energy resources (DER) alters the radial structure of distribution systems and the character of fault currents resulting in delayed operation, reduced sensitivity, or loss of coordination of the traditional protection algorithms that rely on the fundamental frequency current and voltage phasors. Alternative protection techniques that are more immune to problems created by DER can be developed using fault generated transients in the currents and voltages, but they suffer from the lack of security against the transients from normal events, limited bandwidth of instrument transformers, need for hardware with high-frequency sampling and signal processing power. This thesis examine methods to overcome the above concerns with respect to a transient based protection algorithm that relies on a comparison of the polarity of current transients observed at the boundary of a protected zone. In order to accurately measure current transient polarities without additional digital signal processing resources, a new sensor consisting of a ferrite core coil and analog electronics is proposed. A detailed model of the sensor including frequency-dependent hysteresis characteristics of the ferrite core was developed for simulation studies. The model was implemented in PSCAD electromagnetic transient simulation software and validated against a sensor prototype. The security of protection against the non-fault related transients is improved through a hybrid protection structure that combines the transient based protection algorithm with traditional overcurrent or distance protection. The application of the proposed hybrid protection scheme in conjunction with overcurrent and distance elements is implemented and the benefits of faster protection achieved with the proposed method was demonstrated using case studies. The proposed protection scheme then applied to a large distribution network and verified its reliability. The proposed hybrid protection scheme can easily be incorporated into existing commercial relays using the transient polarity sensor developed in this thesis. Special protection relays requiring very high frequency sampling rates is not required for the implemented protection scheme. The performance of such implementation was tested using hardware in the loop simulations carried out with the help of an RTDS real time digital simulator.
Future Modern Distribution Networks Resilience
DOWNLOAD
Author : Mohammad Taghi Ameli
language : en
Publisher: Elsevier
Release Date : 2024-02-23
Future Modern Distribution Networks Resilience written by Mohammad Taghi Ameli and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-02-23 with Technology & Engineering categories.
Future Modern Distribution Networks Resilience examines the combined impact of low-probability and high-impact events on modern distribution systems’ resilience. Using practical guidance, the book provides comprehensive approaches for improving energy systems’ resilience by utilizing infrastructure and operational strategies. Divided in three parts, Part One provides a conceptual introduction and review of power system resilience, including topics such as risk and vulnerability assessment in power systems, resilience metrics, and power systems operation and planning. Part Two discusses modelling of vulnerability and resilience evaluation indices and cost-benefit analysis. Part Three reviews infrastructure and operational strategies to improve power system resilience, including robust grid hardening strategies, mobile energy storage and electric vehicles, and networked microgrids and renewable energy resources. With a strong focus on economic results and cost-effectives, Future Modern Distribution Networks Resilience is a practical reference for students, researchers and engineers interested in power engineering, energy systems, and renewable energy. Reviews related concepts to active distribution systems resilience before, during, and after a sudden disaster Presents analysis of risk and vulnerability for reliable evaluation, sustainable operation, and accurate planning of energy grids against low-probability and high-impact events Highlights applications of practical metrics for resilience assessment of future energy networks Provides guidance for the development of cost-effective resilient techniques for reducing the vulnerability of electrical grids to severe disasters
Energy Research Abstracts
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1989
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Power resources categories.
Grid Connected Renewable Energy Sources
DOWNLOAD
Author : Jesus C. Hernández
language : en
Publisher: MDPI
Release Date : 2021-08-31
Grid Connected Renewable Energy Sources written by Jesus C. Hernández and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-31 with Technology & Engineering categories.
The use of renewable energy sources (RESs) is a need of global society. This editorial, and its associated Special Issue “Grid-Connected Renewable Energy Sources”, offers a compilation of some of the recent advances in the analysis of current power systems that are composed after the high penetration of distributed generation (DG) with different RESs. The focus is on both new control configurations and on novel methodologies for the optimal placement and sizing of DG. The eleven accepted papers certainly provide a good contribution to control deployments and methodologies for the allocation and sizing of DG.
Transient Analysis Of Power Systems
DOWNLOAD
Author : Juan A. Martinez-Velasco
language : en
Publisher: John Wiley & Sons
Release Date : 2020-02-10
Transient Analysis Of Power Systems written by Juan A. Martinez-Velasco and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-10 with Technology & Engineering categories.
A hands-on introduction to advanced applications of power system transients with practical examples Transient Analysis of Power Systems: A Practical Approach offers an authoritative guide to the traditional capabilities and the new software and hardware approaches that can be used to carry out transient studies and make possible new and more complex research. The book explores a wide range of topics from an introduction to the subject to a review of the many advanced applications, involving the creation of custom-made models and tools and the application of multicore environments for advanced studies. The authors cover the general aspects of the transient analysis such as modelling guidelines, solution techniques and capabilities of a transient tool. The book also explores the usual application of a transient tool including over-voltages, power quality studies and simulation of power electronics devices. In addition, it contains an introduction to the transient analysis using the ATP. All the studies are supported by practical examples and simulation results. This important book: Summarises modelling guidelines and solution techniques used in transient analysis of power systems Provides a collection of practical examples with a detailed introduction and a discussion of results Includes a collection of case studies that illustrate how a simulation tool can be used for building environments that can be applied to both analysis and design of power systems Offers guidelines for building custom-made models and libraries of modules, supported by some practical examples Facilitates application of a transients tool to fields hardly covered with other time-domain simulation tools Includes a companion website with data (input) files of examples presented, case studies and power point presentations used to support cases studies Written for EMTP users, electrical engineers, Transient Analysis of Power Systems is a hands-on and practical guide to advanced applications of power system transients that includes a range of practical examples.