Download or read book Adaptive Voltage Control Using Loss Sensitivity in Power System written by Siti Aishah Bakar and published by . This book was released on 2011 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Adaptive Voltage Control Methods Using Distributed Energy Resources written by Huijuan Li and published by . This book was released on 2010 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed energy resources (DE) with power electronics interfaces and logic control using local measurements are capable of providing reactive power related to ancillary system services. In particular, local voltage regulation has drawn much attention in regards to power system reliability and voltage stability, especially from past major cascading outages. This dissertation addresses the challenges of controlling the DEs to regulate the local voltage in distribution systems. First, an adaptive voltage control method has been proposed to dynamically modify the control parameters of a single DE to respond to system changes such that the ideal response can be achieved. Theoretical analysis shows that a corresponding formulation of the dynamic control parameters exists; hence, the adaptive control method is theoretically solid. Also, the field experiment test results at the Distributed Energy Communications and Controls (DECC) Laboratory in single DE regulation case confirm the effectiveness of this method. Then, control methods have been discussed in the case of multiple DEs regulating voltages considering the availability of communications among all the DEs. When communications are readily available, a method is proposed to directly calculate the needed adaptive change of the DE control parameters in order to achieve the ideal response. When there is no communication available, an approach to adaptively and incrementally adjust the control parameters based on the local voltage changes is proposed. Since the impact from other DEs is implicitly considered in this approach, multiple DEs can collectively regulate voltages closely following the ideal response curve. Simulation results show that each method, with or without communications, can satisfy the fast response requirement for operational use without causing oscillation, inefficiency or system equipment interference, although the case with communication can perform even faster and more accurate. Since the proposed adaptive voltage regulation method in the case of multiple DEs without communication, has a high tolerance to real-time data shortage and can still provide good enough performance, it is more suitable for broad utility applications. The approach of multiple DEs with communication can be considered as a high-end solution, which gives faster and more precise results at a higher cost.
Download or read book Sensitivity Based Volt Var Control and Loss Optimization written by Anurag R. Katti and published by . This book was released on 2012 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to control voltage at different points in a distribution grid to within a specified range and minimize power loss. Sensitivity coefficients are used to determine the reactive power dispatch of distributed generators connected in the grid. Power loss is also represented in terms of sensitivity coefficients to simultaneously optimize the voltage profile and power loss. Two variants of the optimization algorithm are discussed - a centralized control algorithm based on the complete state of the system and a decentralized algorithm using only the local information. To study the influence of the location of generators in the grid, the properties of sensitivity and its variation for different generator locations are studied. Two different sensitivity coefficients - current and power loss sensitivity with respect to location of generator are developed from the voltage sensitivity values. The use of these sensitivity coefficients in siting and sizing of generators are discussed. And finally the influence of the number of generators and penetration of distributed generation on voltage and distribution loss are discussed through simulations.
Download or read book Voltage Control Based on Fuzzy Adaptive Particle Swarm Optimization written by Husam Shaheen and published by LAP Lambert Academic Publishing. This book was released on 2011-03 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keeping an acceptable voltage profile at the system buses is a challenging and a system-wide task. Voltage-control is rooted in rescheduling of the reactive power flow in the lines of power system. Despite the fact that many voltage-control techniques are available to electric power system operators, these systems around the world have been subjected to voltage instability problems and voltage collapses that cause in many occasions complete system breakdowns. In this Book, a new voltage control methodology is presented, which is originated on the use of multi- objective function based on fuzzy set theory and adaptive particle swarm optimization. This methodology is applied to get a solution to the mathematical model that represents the voltage- control problem of a power system. The purpose is to ensure acceptable voltage profile and to minimize both the voltage deviation and the real power loss. The IEEE 30-Bus system model is used to employ the suggested technique to the mathematical model built for the new voltage-control methodology using Matlab code. The findings will be documented and compared with other voltage-control strategies.
Download or read book Advanced technologies for planning and operation of prosumer energy systems written by Bin Zhou and published by Frontiers Media SA. This book was released on 2023-04-28 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pathways to a Smarter Power System written by Ozan Erdinc and published by Academic Press. This book was released on 2019-04-23 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pathways to a Smarter Power System studies different concepts within smart grids that are used in both industry and system regulators (e.g. distribution and transmission system operators) and research. This book covers these concepts from multiple perspectives and in multiple contexts, presenting detailed technical information on renewable energy systems, distributed generation and energy storage units, methods to activate the demand side of power systems, market structure needs, and advanced planning concepts and new operational requirements, specifically for power system protection, technological evolvements, and requirements regarding technology in ICT, power electronics and control areas. This book provides energy researchers and engineers with an indispensable guide on how to apply wider perspectives to the different technological and conceptual requirements of a smarter power system. Includes concepts regarding conceptual and technological needs and investment planning suggestions for smart grid enabling strategies Contains new electric power system operational concepts required by industry, along with R&D studies addressing new solutions to potential operational problems Covers pathways to smarter power systems from successful existing examples to expected short, medium and long-term possibilities
Download or read book Papers in ITJEMAST 11 16 2020 written by and published by International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies. This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies publishes a wide spectrum of research and technical articles as well as reviews, experiments, experiences, modelings, simulations, designs, and innovations from engineering, sciences, life sciences, and related disciplines as well as interdisciplinary/cross-disciplinary/multidisciplinary subjects. Original work is required. Article submitted must not be under consideration of other publishers for publications.
Download or read book Control operation and trading strategies of intermittent renewable energy in smart grids written by Dongliang Xiao and published by Frontiers Media SA. This book was released on 2023-04-17 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Control Techniques for Smart Grid Applications written by Sajal Kumar Das and published by Springer Nature. This book was released on 2022-03-30 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: To meet the increasing demand of electrical power, the use of renewable energy-based smart grid is attracting significant attention in recent years throughout the world. The high penetration of renewable power in the smart grids is growing its importance due to its non-finishing, reusable, reliable, sustainable, lower cost, and available characteristics. The renewable energy-based smart grid technology may mitigate the increasing energy demands effectively and efficiently without hampering the environment. But the uncertain nature of renewable sources largely affects the operation of the smart grid by un-stabling the voltage and frequency that may introduces power quality and reliability problems, which requires special control techniques. This book investigates the challenges in controlling renewable energy-based smart grids and proposes different control techniques to control the voltage and frequency effectively to improve the power quality and reliability of the power grids. This book is a valuable resource for readers interested in practical solutions in smart grids and renewable energy systems.
Download or read book Handbook of Research on New Solutions and Technologies in Electrical Distribution Networks written by Khan, Baseem and published by IGI Global. This book was released on 2019-12-06 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the electrical industry continues to develop, one sector that still faces a range of concerns is the electrical distribution system. Excessive industrialization and inadequate billing are just a few issues that have plagued this electrical sector as it advances into the smart grid environment. Research is necessary to explore the possible solutions in fixing these problems and developing the distribution sector into an active and smart system. The Handbook of Research on New Solutions and Technologies in Electrical Distribution Networks is a collection of innovative research on the methods and applications of solving major issues within the electrical distribution system. Some issues covered within the publication include distribution losses, improper monitoring of system, renewable energy integration with micro-grid and distributed energy sources, and smart home energy management system modelling. This book is ideally designed for power engineers, electrical engineers, energy professionals, developers, technologists, policymakers, researchers, academicians, industry professionals, and students seeking current research on improving this key sector of the electrical industry.
Download or read book Power Systems Protection control automation written by Maty Ghezelayagh and published by Maty Ghezelayagh. This book was released on 2020-03-05 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides practical applications of numerical relays for protection and control of various primary equipment namely distribution and transmission networks , HV and EHV transformers and busbars, reactive and active power plants. Unlike other books attempts have been made to address the subject from practical point of view rather than theoretical one which can otherwise be found in most of other text books. The setting, design and testing philosophy of numerical relays as discussed in this book have been successfully applied in the fields on various projects and consequently can be used as a practical guideline for implementation on future projects. The book covers the followings subjects: · Fundamental concepts in the field of power system protection and control; · Required system modelling and fault level analysis for the design and setting of protection and control devices; · Setting and design philosophy of numerical relays of different primary equipment; · Practical application of anti-Islanding schemes for two different systems namely distribution generation (DG) and transmission generation (TG); · Challenges and solutions which are encountered during secondary equipment refurbishment/replacement in brown field substations with inclusion of two practical case studies; · Required tests for factory acceptance tests (FAT), site acceptance tests (SAT), and commissioning tests of numerical relays in conventional and digital substations; · Causes, analysis and proposed mitigation techniques of more than 100 worldwide disturbances which have occurred in different type of primary equipment which have resulted to major system black out or plant explosion or even fatality and; · New and future trend of application of numerical relays including application of super IED for protection and control of multi-primary equipment, implementation of digital substation ,remote integrations ,self and remote testing of IED , distribution networks fault location techniques and fault locators using travelling waves, synchro phasors, time domain line protection using travelling waves, adaptive slope characteristics of differential protection, protection and control schemes of micro grids, mitigation technique for prevention of loss of reactive power plants and transformers due to solar storms.
Download or read book Power Electronic Control in Electrical Systems written by Enrique Acha and published by Newnes. This book was released on 2002-01-08 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within this book the fundamental concepts associated with the topic of power electronic control are covered alongside the latest equipment and devices, new application areas and associated computer-assisted methods. *A practical guide to the control of reactive power systems *Ideal for postgraduate and professional courses *Covers the latest equipment and computer-aided analysis.
Download or read book Handbook of Research on Emergent Applications of Optimization Algorithms written by Vasant, Pandian and published by IGI Global. This book was released on 2017-10-31 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern optimization approaches have attracted an increasing number of scientists, decision makers, and researchers. As new issues in this field emerge, different optimization methodologies must be developed and implemented. The Handbook of Research on Emergent Applications of Optimization Algorithms is an authoritative reference source for the latest scholarly research on modern optimization techniques for solving complex problems of global optimization and their applications in economics and engineering. Featuring coverage on a broad range of topics and perspectives such as hybrid systems, non-cooperative games, and cryptography, this publication is ideally designed for students, researchers, and engineers interested in emerging developments in optimization algorithms.
Download or read book Multi Agent Energy Systems Simulation written by Tiago Pinto and published by MDPI. This book was released on 2020-11-13 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: The synergy between artificial intelligence and power and energy systems is providing promising solutions to deal with the increasing complexity of the energy sector. Multi-agent systems, in particular, are widely used to simulate complex problems in the power and energy domain as they enable modeling dynamic environments and studying the interactions between the involved players. Multi-agent systems are suitable for dealing not only with problems related to the upper levels of the system, such as the transmission grid and wholesale electricity markets, but also to address challenges associated with the management of distributed generation, renewables, large-scale integration of electric vehicles, and consumption flexibility. Agent-based approaches are also being increasingly used for control and to combine simulation and emulation by enabling modeling of the details of buildings’ electrical devices, microgrids, and smart grid components. This book discusses and highlights the latest advances and trends in multi-agent energy systems simulation. The addressed application topics include the design, modeling, and simulation of electricity markets operation, the management and scheduling of energy resources, the definition of dynamic energy tariffs for consumption and electrical vehicles charging, the large-scale integration of variable renewable energy sources, and mitigation of the associated power network issues.
Download or read book Modern Heuristic Optimization Techniques written by Kwang Y. Lee and published by John Wiley & Sons. This book was released on 2008-02-08 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores how developing solutions with heuristic tools offers two major advantages: shortened development time and more robust systems. It begins with an overview of modern heuristic techniques and goes on to cover specific applications of heuristic approaches to power system problems, such as security assessment, optimal power flow, power system scheduling and operational planning, power generation expansion planning, reactive power planning, transmission and distribution planning, network reconfiguration, power system control, and hybrid systems of heuristic methods.
Download or read book Power System Stability and Control written by Leonard L. Grigsby and published by CRC Press. This book was released on 2007-05-30 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part of the second edition of The Electric Power Engineering Handbook, Power System Stability and Control offers conveniently focused and detailed information covering all aspects concerning power system protection, dynamics, stability, operation, and control. Contributed by worldwide leaders under the guidance of one of the world's most respected
Download or read book Dynamic Vulnerability Assessment and Intelligent Control written by José Luis Rueda-Torres and published by John Wiley & Sons. This book was released on 2018-01-31 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identifying, assessing, and mitigating electric power grid vulnerabilities is a growing focus in short-term operational planning of power systems. Through illustrated application, this important guide surveys state-of-the-art methodologies for the assessment and enhancement of power system security in short term operational planning and real-time operation. The methodologies employ advanced methods from probabilistic theory, data mining, artificial intelligence, and optimization, to provide knowledge-based support for monitoring, control (preventive and corrective), and decision making tasks. Key features: Introduces behavioural recognition in wide-area monitoring and security constrained optimal power flow for intelligent control and protection and optimal grid management. Provides in-depth understanding of risk-based reliability and security assessment, dynamic vulnerability assessment methods, supported by the underpinning mathematics. Develops expertise in mitigation techniques using intelligent protection and control, controlled islanding, model predictive control, multi-agent and distributed control systems Illustrates implementation in smart grid and self-healing applications with examples and real-world experience from the WAMPAC (Wide Area Monitoring Protection and Control) scheme. Dynamic Vulnerability Assessment and Intelligent Control for Power Systems is a valuable reference for postgraduate students and researchers in power system stability as well as practicing engineers working in power system dynamics, control, and network operation and planning.
