Download or read book Transient Stability Analysis for Power System Networks with Asynchronous Generation written by Prem Kethavath and published by . This book was released on 2015 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Attention is increasing on transient stability and secure mode of operation for power systems with asynchronous generation. This is due to asynchronous mode of generation like wind farms, increasing in capacity and displacing existing high inertia synchronous generation. Participation of wind farms, which are primarily inertia decoupled during transient disturbance, will become necessary to comprehensively analyse framework like energy function and coherency based reduction methods. This thesis investigates the impact of reduced system inertia due to asynchronous generation, on transient stability of power systems. This thesis proposes an energy function approach to assess power system transient stability impacts following increased penetration of asynchronous generation plants. The asynchronous wind farm generation is considered as an equivalent conventional synchronous generator with negligible inertia. Assessment has been carried out on single machine infinite system and three machine nine bus test system to compute critical energy and critical fault clearing time, from first principles, using potential energy boundary surface method. A new representation of plotting contours of critical clearing times on inertia space has been developed. This enables estimation of additional inertia required for a system due to inertia reduction from asynchronous generators. The results of the simulation and new graphical method confirms that transient stability margin of the system is impacted with increased penetration of asynchronous generation. This thesis also investigates coherency based analysis technique for network reduction to carry out transient stability analysis for a large power system network that has wind penetration. Identification of coherent groups targets to obtain simplified dynamic equivalent of system by aggregation of coherent generators and replacing it with an equivalent generator. The use of this equivalence can transform a large power system into a reduced model, localized into a small internal area containing the disturbance which impact stability. The New England, 39 bus 10 machine system has been used to demonstrate the methodology. Contingencies are applied with and without wind farm i.e., by replacing few synchronous generators with wind farm of similar capacity. This thesis also develops transient stability enhancement method for networks with asynchronous generation. When a machine inertia is reduced its first swing stability can be enhanced by line series compensation and also multi-swing stability using bang-bang control on series compensation. Compensation values and the lines that can participate in series compensation during contingencies are found.
Download or read book Transient Stability of Power Systems written by Mania Pavella and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: The market liberalization is expected to affect drastically the operation of power systems, which under economical pressure and increasing amount of transactions are being operated much closer to their limits than previously. These changes put the system operators faced with rather different and much more problematic scenarios than in the past. They have now to calculate available transfer capabilities and manage congestion problems in a near on line environment, while operating the transmission system under extremely stressed conditions. This requires highly reliable and efficient software aids, which today are non-existent, or not yet in use. One of the most problematic issues, very much needed but not yet en countered today, is on-line dynamic security assessment and control, enabling the power system to withstand unexpected contingencies without experienc ing voltage or transient instabilities. This monograph is devoted to a unified approach to transient stability assessment and control, called SIngle Machine Equivalent (S1ME).
Download or read book Transient Stability Assessment of Power Systems With Uncertain Renewable Generation Preprint written by and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transient stability of a power system depends heavily on its operational state at the moment of a fault. In systems where the penetration of renewable generation is significant, the dispatch of the conventional fleet of synchronous generators is uncertain at the time of dynamic security analysis. Hence, the assessment of transient stability requires the solution of a system of nonlinear ordinary differential equations with unknown initial conditions and inputs. To this end, we set forth a computational framework that relies on Taylor polynomials, where variables are associated with the level of renewable generation. This paper describes the details of the method and illustrates its application on a nine-bus test system.
Download or read book Power System Modeling Computation and Control written by Joe H. Chow and published by John Wiley & Sons. This book was released on 2019-12-23 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides students with an understanding of the modeling and practice in power system stability analysis and control design, as well as the computational tools used by commercial vendors Bringing together wind, FACTS, HVDC, and several other modern elements, this book gives readers everything they need to know about power systems. It makes learning complex power system concepts, models, and dynamics simpler and more efficient while providing modern viewpoints of power system analysis. Power System Modeling, Computation, and Control provides students with a new and detailed analysis of voltage stability; a simple example illustrating the BCU method of transient stability analysis; and one of only a few derivations of the transient synchronous machine model. It offers a discussion on reactive power consumption of induction motors during start-up to illustrate the low-voltage phenomenon observed in urban load centers. Damping controller designs using power system stabilizer, HVDC systems, static var compensator, and thyristor-controlled series compensation are also examined. In addition, there are chapters covering flexible AC transmission Systems (FACTS)—including both thyristor and voltage-sourced converter technology—and wind turbine generation and modeling. Simplifies the learning of complex power system concepts, models, and dynamics Provides chapters on power flow solution, voltage stability, simulation methods, transient stability, small signal stability, synchronous machine models (steady-state and dynamic models), excitation systems, and power system stabilizer design Includes advanced analysis of voltage stability, voltage recovery during motor starts, FACTS and their operation, damping control design using various control equipment, wind turbine models, and control Contains numerous examples, tables, figures of block diagrams, MATLAB plots, and problems involving real systems Written by experienced educators whose previous books and papers are used extensively by the international scientific community Power System Modeling, Computation, and Control is an ideal textbook for graduate students of the subject, as well as for power system engineers and control design professionals.
Download or read book Power System Dynamics and Stability written by Peter W. Sauer and published by . This book was released on 1998 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: For a one-semester senior or beginning graduate level course in power system dynamics. This text begins with the fundamental laws for basic devices and systems in a mathematical modeling context. It includes systematic derivations of standard synchronous machine models with their fundamental controls. These individual models are interconnected for system analysis and simulation. Singular perturbation is used to derive and explain reduced-order models.
Download or read book Power System Transient Stability Analysis Using the Transient Energy Function Method written by Abdel-Azia Fouad and published by Pearson Education. This book was released on 1991-08-01 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book details the state of the art in the development and application of the transient energy function (TEF) method as a tool for power system transient stability assessment. It provides both the analytical foundations of the TEF method and the practical issues involved in the application of the method to analyze power systems. Of primary interest to electric utility engineers who need to understand and apply the technique, as well as engineers in research organizations involved in research and development projects on power system dynamics, and utility engineers interested in the use of the TEF method as a tool for dynamic security assessment.
Download or read book Power System Stability Transient stability written by Selden Bronson Crary and published by . This book was released on 1947 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wind Energy Systems written by Mohd. Hasan Ali and published by CRC Press. This book was released on 2017-12-19 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlike conventional power plants, wind plants emit no air pollutants or greenhouse gases—and wind energy is a free, renewable resource. However, the induction machines commonly used as wind generators have stability problems similar to the transient stability of synchronous machines. To minimize power, frequency, and voltage fluctuations caused by network faults or random wind speed variations, control mechanisms are necessary. Wind Energy Systems: Solutions for Power Quality and Stabilization clearly explains how to solve stability and power quality issues of wind generator systems. Covering fundamental concepts of wind energy conversion systems, the book discusses several means to enhance the transient stability of wind generator systems. It also explains the methodologies for minimizing fluctuations of power, frequency, and voltage. Topics covered include: An overview of wind energy and wind energy conversion systems Fundamentals of electric machines and power electronics Types of wind generator systems Challenges in integrating wind power into electricity grids Solutions for power quality problems Methods for improving transient stability during network faults Methods for minimizing power fluctuations of variable-speed wind generator systems This accessible book helps researchers and engineers understand the relative effectiveness of each method and select a suitable tool for wind generator stabilization. It also offers students an introduction to wind energy conversion systems, providing insights into important grid integration and stability issues.
Download or read book Advanced Control Engineering Methods in Electrical Engineering Systems written by Mohammed Chadli and published by Springer. This book was released on 2018-09-10 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the Third International Conference on Electrical Engineering and Control (ICEECA2017). It covers new control system models and troubleshooting tips, and also addresses complex system requirements, such as increased speed, precision and remote capabilities, bridging the gap between the complex, math-heavy controls theory taught in formal courses, and the efficient implementation required in real-world industry settings. Further, it considers both the engineering aspects of signal processing and the practical issues in the broad field of information transmission and novel technologies for communication networks and modern antenna design. This book is intended for researchers, engineers, and advanced postgraduate students in control and electrical engineering, computer science, signal processing, as well as mechanical and chemical engineering.
Download or read book Voltage Stability Analysis of Power System written by Yong Tang and published by Springer Nature. This book was released on 2021-04-07 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes comprehensively theories and methods of the power system voltage stability. It first introduces the basic theory of the power system and the basic concept and classification of the power system stability and discusses the basic concepts of voltage stability, including the mechanism of voltage stability, and influencing factors of transient and medium-term and long-term voltage stability. This book also describes the elemental characteristics and models of important power system in voltage stability analysis and discusses the theories and methods of analysis on steady, transient and medium-term and long-term voltage stability analysis, respectively. Then, this book introduces the measures to improve the voltage stability. Finally, two examples of voltage stability analysis in engineering applications are introduced. This book is useful as a reference for engineers and technicians who are engaged in dispatching operation, planning, design and scientific research of the power system, and teachers and students of electrical engineering major in colleges and universities.
Download or read book Power System Transient Analysis written by Eiichi Haginomori and published by John Wiley & Sons. This book was released on 2016-02-29 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding transient phenomena in electric power systems and the harmful impact of resulting disturbances is an important aspect of power system operation and resilience. Bridging the gap from theory to practice, this guide introduces the fundamentals of transient phenomena affecting electric power systems using the numerical analysis tools, Alternative Transients Program- Electromagnetic Transients Program (ATP-EMTP) and ATP-DRAW. This technology is widely-applied to recognize and solve transient problems in power networks and components giving readers a highly practical and relevant perspective and the skills to analyse new transient phenomena encountered in the field. Key features: Introduces novice engineers to transient phenomena using commonplace tools and models as well as background theory to link theory to practice. Develops analysis skills using the ATP-EMTP program, which is widely used in the electric power industry. Comprehensive coverage of recent developments such as HVDC power electronics with several case studies and their practical results. Provides extensive practical examples with over 150 data files for analysing transient phenomena and real life practical examples via a companion website. Written by experts with deep experience in research, teaching and industry, this text defines transient phenomena in an electric power system and introduces a professional transient analysis tool with real examples to novice engineers in the electric power system industry. It also offers instruction for graduates studying all aspects of power systems.
Download or read book Handbook of Electrical Power System Dynamics written by Mircea Eremia and published by John Wiley & Sons. This book was released on 2013-02-21 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to provide insights on new trends in power systems operation and control and to present, in detail, analysis methods of the power system behavior (mainly its dynamics) as well as the mathematical models for the main components of power plants and the control systems implemented in dispatch centers. Particularly, evaluation methods for rotor angle stability and voltage stability as well as control mechanism of the frequency and voltage are described. Illustrative examples and graphical representations help readers across many disciplines acquire ample knowledge on the respective subjects.
Download or read book Transient Stability of Power Systems written by M. Pavella and published by John Wiley & Sons. This book was released on 1994-08-08 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: An in-depth treatment of the transient stability problem, its physical description and formulation. Discusses methods for transient stability analysis, sensitivity assessment and control. Considers conventional and non-conventional techniques including direct and artificial intelligence, system theory, load modeling, evaluation of machine parameters, saturation effects and pattern recognition approaches. Features practical examples and simulation results.
Download or read book Integration of Large Scale Wind Energy with Electrical Power Systems in China written by Zongxiang Lu and published by John Wiley & Sons. This book was released on 2018-03-28 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: An in-depth examination of large scale wind projects and electricity production in China Presents the challenges of electrical power system planning, design, operation and control carried out by large scale wind power, from the Chinese perspective Focuses on the integration issue of large scale wind power to the bulk power system, probing the interaction between wind power and bulk power systems Wind power development is a burgeoning area of study in developing countries, with much interest in offshore wind farms and several big projects under development English translation of the Chinese language original which won the "Fourth China Outstanding Publication Award nomination" in March 2013
Download or read book Real Time Stability Assessment in Modern Power System Control Centers written by S. C. Savulescu and published by John Wiley & Sons. This book was released on 2009-03-04 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book answers the need for a practical, hands-on guide for assessing power stability in real time, rather than in offline simulations. Since the book is primarily geared toward the practical aspects of the subject, theoretical background is reduced to the strictest minimum. For the benefit of readers who may not be quite familiar with the underlying theoretical techniques, appendices describing key algorithms and theoretical issues are included at the end of the book. It is an excellent source for researchers, professionals, and advanced undergraduate and graduate students.
Download or read book Wind Power Integration written by Brendan Fox and published by IET. This book was released on 2007-06-20 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This essential book examines the main problems of wind power integration and guides the reader through a number of the most recent solutions based on current research and operational experience of wind power integration.
Download or read book Transient Stability of Power Systems written by Mania Pavella and published by Springer Science & Business Media. This book was released on 2000-10-31 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three Belgian researchers (U. of Liege) look at one unified approach to on-line dynamic security assessment and control to enable a power system to withstand unexpected contingencies without experiencing voltage or transient instabilities. The problem has greatly increased since deregulation, when utilities are being operated much closer to their limits in order to generate private profit. Their approach is called Single Machine Equivalent, SIME to its friends, and is a hybrid direct-temporal method that processes information about the system behavior in order to get one-shot stability assessment in the same way as direct methods. Preventative SIME relies on time-domain programs to get information about simulated stability scenarios of anticipated contingencies, and emergency SIME uses real-time measurements that take into account the actual occurrence of a contingency. Annotation copyrighted by Book News, Inc., Portland, OR
