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Applications Of Unified Power Flow Controllers In Power System Stability Enhancement
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Book Synopsis Applications of Unified Power Flow Controllers in Power System Stability Enhancement by : Surachai Limyingcharoen
Download or read book Applications of Unified Power Flow Controllers in Power System Stability Enhancement written by Surachai Limyingcharoen and published by . This book was released on 1999 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unified Power Flow Controller Technology and Application by : Jijun Yin
Download or read book Unified Power Flow Controller Technology and Application written by Jijun Yin and published by Academic Press. This book was released on 2017-06-16 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unified Power Flow Controller Technology and Application provides comprehensive coverage on UPFC technology, providing a range of topics, including design principle, control and protection, and insulation coordination. It summarizes all the most up-to-date research and practical achievements that are related to UPFC and MMC technology, including test techniques for main components, closed-loop test techniques for control and protection systems, and onsite techniques for implementing UPFC projects. The book is an essential reference book for both academics and engineers working in power system protection control, power system planning engineers, and HVDC FACTS related areas. Readers will not only obtain the detailed information regarding theoretical analysis and practical application of UPFC, but also the control mechanism of advanced MMC technology, both of which are not common topics in previously published books. Shows how to use modular multilevel converters (MMC) to implement UPFC that lead to cost-effective and reliable systems Draws from the most up-to-date research and practical applications Teaches electromechanical/electromagnetic transient simulation techniques and real-time closed-loop simulation test techniques of the MMC based UPFC
Book Synopsis The Use of Unified Power Flow Controller to Enhance Power System Stability by : Zhaojun Meng
Download or read book The Use of Unified Power Flow Controller to Enhance Power System Stability written by Zhaojun Meng and published by . This book was released on 2001 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study the Power Flow Control of a Power System with Unified Power Flow Controller by : Vakula Peesari
Download or read book Study the Power Flow Control of a Power System with Unified Power Flow Controller written by Vakula Peesari and published by . This book was released on 2010 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical power systems is a large interconnected network that requires a careful design to maintain the system with continuous power flow operation without any limitations. Flexible Alternating Current Transmission System (FACTS) is an application of a power electronics device to control the power flow and to improve the system stability of a power system. Unified Power Flow Controller (UPFC) is a versatile device in the FACTS family of controllers which has the ability to simultaneously control all the transmission parameters of power systems i.e. voltage, impedance and phase angle which determines the power flow of a transmission line. This project proposes a case study to control the power flow of a power system with UPFC. In this study, I am considering a standard 5-bus network for the analysis. Power flow equations are solved using Newton Raphson's algorithm and the simulations of the algorithm are done in MATLAB. The results of the network with and without UPFC are compared in terms of active and reactive power flow in the transmission line at the bus to analyze the performance of UPFC.
Book Synopsis Flexible AC Transmission Systems: Modelling and Control by : Xiao-Ping Zhang
Download or read book Flexible AC Transmission Systems: Modelling and Control written by Xiao-Ping Zhang and published by Springer Science & Business Media. This book was released on 2012-02-24 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: The extended and revised second edition of this successful monograph presents advanced modeling, analysis and control techniques of Flexible AC Transmission Systems (FACTS). The book covers comprehensively a range of power-system control problems: from steady-state voltage and power flow control, to voltage and reactive power control, to voltage stability control, to small signal stability control using FACTS controllers. In the six years since the first edition of the book has been published research on the FACTS has continued to flourish while renewable energy has developed into a mature and booming global green business. The second edition reflects the new developments in converter configuration, smart grid technologies, super power grid developments worldwide, new approaches for FACTS control design, new controllers for distribution system control, and power electronic controllers in wind generation operation and control. The latest trends of VSC-HVDC with multilevel architecture have been included and four completely new chapters have been added devoted to Multi-Agent Systems for Coordinated Control of FACTS-devices, Power System Stability Control using FACTS with Multiple Operating Points, Control of a Looping Device in a Distribution System, and Power Electronic Control for Wind Generation.
Book Synopsis Optimal Control Schemes for Power System with Unified Power Flow Controller (UPFC) by : Dr. Hidaia Mahmood Alassouli
Download or read book Optimal Control Schemes for Power System with Unified Power Flow Controller (UPFC) written by Dr. Hidaia Mahmood Alassouli and published by Dr. Hidaia Mahmood Alassouli. This book was released on 2021-04-18 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: FACTS are one aspect of power electronics revolution that is taking place in all areas of electrical energy. A variable of powerful semiconductor devices not only offer the advantage of high speed and reliability of switching but, more importantly, the opportunity offered by a variety of innovative circuit concepts based on these power devices enhance the value of electric energy. In generation area, the potential application of power electronics is largely in renewable generation. Photovoltaic and fuel cells requires conversion of dc to ac. Generation with variable speed is necessary for economic viability of wind and small hydro generators. Variable-speed wind generators and small hydro generators requires conversion of variable frequency ac to power system frequency. These applications of power electronics in renewable generation area require converter sizes in the range of few kilowatts to few megawatts. In coming decades, electrical energy storage is expected to be widely used in power systems as capacitor, battery and superconducting magnet technologies move forward. Batteries are widely used already for emergency power supplies. These require ac/dc/ac converters in the range of a few kilowatts to a few tens of megawatts. On the other hand, variable speed hydro storage requires converters of up to a few hundred megawatts. In transmission area, application of power electronics consists of High Voltage Direct Current (HVDC) power transmission and FACTS. HVDC is often an economical way to interconnect certain power systems, which are suited in different regions separated by long distances or those have different frequencies or incompatible frequency control. HVDC involves conversion of ac to dc at one end and conversion of dc to ac at the other end. What is most interesting for transmission planners is that FACTS opens up new opportunities for controlling power and enhancing the usable capacity of the lines. The possibility that current through a line can be controlled at reasonable cost enables a large potential of increasing the capacity of the existing lines with larger conductors, and use one of the FACTS controllers to enable corresponding power to flow through lines under normal and contingency conditions. These opportunities arise through the ability of FACTS controllers to control the interrelated parameters that govern the operation of transmission line including series impedance, shunt impedance, current, voltage, phase angle, and the damping of oscillations at various frequencies below the rated frequency. In distribution area, an exciting opportunity called Custom Power. The custom power concept incorporates power electronics controllers and switching equipment, one or more of which can be used to provide a value-added service to the customers. In general, these custom service applications represent power electronics in the range of few tens of kilowatts to few ten of megawatts of conversion or switching equipment between the utility supply and customer. On the end-user side, power electronics conversion and switching technology has been fast growing area. Complementing the Custom Power technology is the whole area of power conditioning technology used by customers, under the term Power Quality. Uninterruptible power supplies (UPS) and voltage regulators represent the major growth area in power electronics. In end use, the converter sizes range from a few watts to ten of megawatts. The term active filter is a general one and is applied to a group of power electronic circuits incorporating power switching devices and passive energy storage circuit elements such as inductors and capacitors. The functions of these circuits vary depending on the applications. They are generally used for controlling current harmonics in supply networks at the low and medium voltage distribution level or for reactive power and/or voltage control at high voltage distribution level. These functions may be combined in a single circuit or in separate active filters. Most of the control schemes introduced in the existing papers were designed either for eliminating current harmonics or eliminating voltage flickers or for load flow control. So, this work is devoted to find a proper optimal control schemes for a system with series or shunt or series and shunt converters that can provide all functions together. Various optimal control schemes will be designed for systems with series, shunt and series-shunt converters with the objective to control the load flow through a lines and to eliminate current harmonics and voltage flickers with different strategies for tracking. · Part 1: Gives the description of optimal control design. · Part 2: Case studies to design different optimal control schemes for system with UPFC unit to control the power flow, eliminate voltage flicker and eliminate current harmonics. The case studies were repeated for system with only series or shunt converters.
Book Synopsis Advances in Renewable Energy and Sustainable Environment by : Lillie Dewan
Download or read book Advances in Renewable Energy and Sustainable Environment written by Lillie Dewan and published by Springer Nature. This book was released on 2020-11-04 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select peer-reviewed proceedings of the National Conference on Renewable Energy and Sustainable Environment (NCRESE) 2019. The book brings together the latest developments in harvesting, storing and optimizing alternate and renewable energy resources. It covers latest developments in green energy technologies as well as smart grids, and their applications towards a sustainable environment. The book can be useful for beginners, academicians, entrepreneurs, and professionals interested in renewable energy technologies and sustainable environment practices.
Book Synopsis Power System Performance Enhancement Using Unified Power Flow Controller by : Harinder Sawhney
Download or read book Power System Performance Enhancement Using Unified Power Flow Controller written by Harinder Sawhney and published by . This book was released on 2002 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PowerFactory Applications for Power System Analysis by : Francisco M. Gonzalez-Longatt
Download or read book PowerFactory Applications for Power System Analysis written by Francisco M. Gonzalez-Longatt and published by Springer. This book was released on 2014-12-27 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive set of guidelines and applications of DIgSILENT PowerFactory, an advanced power system simulation software package, for different types of power systems studies. Written by specialists in the field, it combines expertise and years of experience in the use of DIgSILENT PowerFactory with a deep understanding of power systems analysis. These complementary approaches therefore provide a fresh perspective on how to model, simulate and analyse power systems. It presents methodological approaches for modelling of system components, including both classical and non-conventional devices used in generation, transmission and distribution systems, discussing relevant assumptions and implications on performance assessment. This background is complemented with several guidelines for advanced use of DSL and DPL languages as well as for interfacing with other software packages, which is of great value for creating and performing different types of steady-state and dynamic performance simulation analysis. All employed test case studies are provided as supporting material to the reader to ease recreation of all examples presented in the book as well as to facilitate their use in other cases related to planning and operation studies. Providing an invaluable resource for the formal instruction of power system undergraduate/postgraduate students, this book is also a useful reference for engineers working in power system operation and planning.
Book Synopsis Improvement of Dynamic Power System Stability by Installing Unified Power Flow Controller (UPFC) Based on Fuzzy Logic Power System Stabilizer (FLPSS) by : Arizadayana Zahalan
Download or read book Improvement of Dynamic Power System Stability by Installing Unified Power Flow Controller (UPFC) Based on Fuzzy Logic Power System Stabilizer (FLPSS) written by Arizadayana Zahalan and published by . This book was released on 2014 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last two decade, the demand of electrical power increased tremendously and power system have been operated under much more stressed condition hence may lead to unstable power system. On the other hand, low frequency oscillation due to interconnection between remotely located power system may as well affect the system stability. Thus, to improve dynamic power system stability the research proposed the installation of Unified Power Flow Controller (UPFC) which is the most versatile Flexible AC Transmission System (FACTS) device in single machine infinite bus (SMIB) based on fuzzy logic power system stabilizer (FLPSS). In the proposed system, the parameters for the power system before and after the installation of UPFC is derived referring to the Phillips-Heffron SMIB model. After the mathematical process, the value of all the parameters is obtained using Matlab m-file listing program. Based on the parameter value, the block diagram for the power system before and after the installation of UPFC is formed using Matlab Simulink. Power system stabilizer is then added to the conventional power system model while FLPSS is added to UPFC excitation control. In this study, damping controller m_E and m_B of UPFC is used. After given small disturbances to both power system, the ability of both power system to damp oscillation is monitored by investigating the changes of rotor angle, change of rotor speed and change of electrical power. The result showed that that fuzzy logic controller is able to decrease the amplitude of low frequency oscillation and increases damping rate successfully. Comparing between power system model installed with UPFC based on FLPSS and conventional power system indicates that the proposed FLPSS has less settling time and less overshoot. When electrical power is increased at 0.1 pu, using damping controller m_E, rotor angle overshoot is decreased at 84.63% and settling time decreased at 80.32%. Rotor speed overshoot decreased at 63.28% whereas the settling time is reduced at 61.97%. The electrical power also shows a significant reduce in overshoot by 16.31% while the settling time is reduced by 61.80%. For m_B, rotor angle overshoot is decreased at 82.87% and settling time decreased at 82.61%. The rotor speed experienced a decrease of 57.55% in overshoot whereas the settling time is reduced at 74.24%. For electrical power, settling time is reduced by 60.24%. When electrical power is decreased at 0.1 pu, using damping controller m_E, rotor angle overshoot decreased at 84.61% and settling time decreased at 82.00%. Rotor speed overshoot decreased at 63.29% whereas the settling time is reduced at 63.83%. The electrical power also shows a significant reduce in overshoot by 16.31% while the settling time is reduced by 61.61%. For m_B, rotor angle overshoot is decreased at 82.87% and settling time decreased at 83.03%. The rotor speed experienced a decrease of 57.51% in overshoot whereas the settling time is reduced at 74.24%. For electrical power, settling time is reduced by 59.94%.This thesis focuses on analyzing different nonlinear algorithms to capture the emotional information present in two bio-signals namely Electrocardiogram (ECG) and Electromyogram (EMG). Emotion recognition is one of the emerging research areas in human computer interaction (HCI) and has been widely used in applications such as e-learning, smart classrooms, medical applications for patients with autism, Parkinson’s disease etc., Five basic emotional states (happiness, sadness, fear, surprise and disgust) and neutral signal was induced in sixty subjects by means of audio-visual stimuli.
Book Synopsis Power Flow Control Solutions for a Modern Grid Using SMART Power Flow Controllers by : Kalyan K. Sen
Download or read book Power Flow Control Solutions for a Modern Grid Using SMART Power Flow Controllers written by Kalyan K. Sen and published by John Wiley & Sons. This book was released on 2021-12-13 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power Flow Control Solutions for a Modern Grid using SMART Power Flow Controllers Provides students and practicing engineers with the foundation required to perform studies of power system networks and mitigate unique power flow problems Power Flow Control Solutions for a Modern Grid using SMART Power Flow Controllers is a clear and accessible introduction to power flow control in complex transmission systems. Starting with basic electrical engineering concepts and theory, the authors provide step-by-step explanations of the modeling techniques of various power flow controllers (PFCs), such as the voltage regulating transformer (VRT), the phase angle regulator (PAR), and the unified power flow controller (UPFC). The textbook covers the most up-to-date advancements in the Sen transformer (ST), including various forms of two-core designs and hybrid architectures for a wide variety of applications. Beginning with an overview of the origin and development of modern power flow controllers, the authors explain each topic in straightforward engineering terms—corroborating theory with relevant mathematics. Throughout the text, easy-to-understand chapters present characteristic equations of various power flow controllers, explain modeling in the Electromagnetic Transients Program (EMTP), compare transformer-based and mechanically-switched PFCs, discuss grid congestion and power flow limitations, and more. This comprehensive textbook: Describes why effective Power Flow Controllers should be viewed as impedance regulators Provides computer simulation codes of the various power flow controllers in the EMTP programming language Contains numerous worked examples and data cases to clarify complex issues Includes results from the simulation study of an actual network Features models based on the real-world experiences the authors, co-inventors of first-generation FACTS controllers Written by two acknowledged leaders in the field, Power Flow Control Solutions for a Modern Grid using SMART Power Flow Controllers is an ideal textbook for graduate students in electrical engineering, and a must-read for power engineering practitioners, regulators, and researchers.
Book Synopsis The Effects of Unified Power Flow Controllers on Transient Stability by : Surachai Limyingcharoen
Download or read book The Effects of Unified Power Flow Controllers on Transient Stability written by Surachai Limyingcharoen and published by . This book was released on 1997 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Systems, Control and Automation by : Avinash Konkani
Download or read book Advances in Systems, Control and Automation written by Avinash Konkani and published by Springer. This book was released on 2017-12-11 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select proceedings of the ETAEERE 2016 conference. The book aims to shed light on different systems or machines along with their complex operation, behaviors, and linear–nonlinear relationship in different environments. It covers problems of multivariable control systems and provides the necessary background for performing research in the field of control and automation. Aimed at helping readers understand the classical and modern design of different intelligent automated systems, the book presents coverage on the control of linear and nonlinear systems, intelligent systems, stochastic control, knowledge-based systems applications, fault diagnosis and tolerant control, real-time control applications, etc. The contents of this volume will prove useful to researchers and professionals alike.
Book Synopsis Design and Simulation of Unified Power Flow Controller with Grid Storage by : Christopher Beaudoin
Download or read book Design and Simulation of Unified Power Flow Controller with Grid Storage written by Christopher Beaudoin and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power flow between two transmission systems across an uncontrolled interface can be problematic if there is unequal sharing between the tie lines. System configuration changes such as generation dispatch, or out of service elements can cause thermal overloads. In addition, some weaker areas of the system which may have insufficient transmission can have difficultly supporting the voltage at buses with high loading particularly after the loss of one element. This thesis presents a real transmission system which has two problems: a thermal limitation caused by unequal tie-sharing across an uncontrolled interface, and a post-fault voltage stability concern. Various potential solutions are analyzed and shown to address one or the other of these two problems; none of which were capable of solving both. A Unified Power Flow Controller (UPFC) is proposed which can effectively address both problems and can provide additional benefit in the form of a grid storage interface. The operational characteristics of a UPFC are analyzed and used to develop an electrical model and control system topology. The model with its control system is implemented in PSCAD. The UPFC is proven to be capable of effectively addressing the thermal limitation and voltage stability issues of the system. Further, a battery is added to the UPFC to provide grid energy storage. Cost saving measures through controller design are also proposed and implemented. This work demonstrates that a UPFC can be an effective solution to typical problems (such as thermal and voltage constraints) faced by a transmission system. A UPFC with grid storage can also provide an alternative to building costly transmission lines or generation by enhancing reliability, reducing demand on generation cause by system peaks, smoothing intermittent generation, etc.
Book Synopsis Power Conversion and Control of Wind Energy Systems by : Bin Wu
Download or read book Power Conversion and Control of Wind Energy Systems written by Bin Wu and published by John Wiley & Sons. This book was released on 2011-08-09 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents the latest power conversion and control technology in modern wind energy systems. It has nine chapters, covering technology overview and market survey, electric generators and modeling, power converters and modulation techniques, wind turbine characteristics and configurations, and control schemes for fixed- and variable-speed wind energy systems. The book also provides in-depth steady-state and dynamic analysis of squirrel cage induction generator, doubly fed induction generator, and synchronous generator based wind energy systems. To illustrate the key concepts and help the reader tackle real-world issues, the book contains more than 30 case studies and 100 solved problems in addition to simulations and experiments. The book serves as a comprehensive reference for academic researchers and practicing engineers. It can also be used as a textbook for graduate students and final year undergraduate students.
Author :Seyed Ali Nabavi-Niaki Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612190245 Total Pages :240 pages Book Rating :4.1/5 (92 download)
Book Synopsis Modelling and Applications of Unified Power Flow Controller (UPFC) for Power Systems [microform] by : Seyed Ali Nabavi-Niaki
Download or read book Modelling and Applications of Unified Power Flow Controller (UPFC) for Power Systems [microform] written by Seyed Ali Nabavi-Niaki and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1996 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transient Stability and Power Flow Models of the Unified Power Flow Controller for Various Control Strategies by : Reeve, J. (John)
Download or read book Transient Stability and Power Flow Models of the Unified Power Flow Controller for Various Control Strategies written by Reeve, J. (John) and published by . This book was released on 2004 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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