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Author: Praveena Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
It is self-possessed of the Distributed Power Flow Controller is a new device within the family of FACTS. The growing demand and aging of network make it desirable to control the power flow in powertransmission systems fast and reliable. The load changes the voltage variation in transmission lines should be lmited, otherwise the consumers equipments are damaged at the distributed side. For reducing these types of problems this controller is developed. The DPFC has the same control capability as the UPFC, but with much lower cost and higher reliability and flexibility. This paper addresses one of the applications of the DPFC namely compensation of unbalanced currents in transmission systems. Since the series converters of the DPFC are single phase, the DPFC can compensate both active and reactive, zero and negative sequence unbalanced currents. To compensate the unbalance, two additional current controllers are supplemented to control the zero and negative sequence current respectively. This paper consists of both active and reactive variations, using MATLAB/SIMULINK is simulated and its effects on the transmission lines observed. The simulated results are analyzed and validated with the real time results for the system considered.
Author: Praveena Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
It is self-possessed of the Distributed Power Flow Controller is a new device within the family of FACTS. The growing demand and aging of network make it desirable to control the power flow in powertransmission systems fast and reliable. The load changes the voltage variation in transmission lines should be lmited, otherwise the consumers equipments are damaged at the distributed side. For reducing these types of problems this controller is developed. The DPFC has the same control capability as the UPFC, but with much lower cost and higher reliability and flexibility. This paper addresses one of the applications of the DPFC namely compensation of unbalanced currents in transmission systems. Since the series converters of the DPFC are single phase, the DPFC can compensate both active and reactive, zero and negative sequence unbalanced currents. To compensate the unbalance, two additional current controllers are supplemented to control the zero and negative sequence current respectively. This paper consists of both active and reactive variations, using MATLAB/SIMULINK is simulated and its effects on the transmission lines observed. The simulated results are analyzed and validated with the real time results for the system considered.
Author: Kalyan K. Sen Publisher: John Wiley & Sons ISBN: 1119824354 Category : Science Languages : en Pages : 724
Book Description
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.
Author: Xiao-Ping Zhang Publisher: Springer Science & Business Media ISBN: 3642282415 Category : Technology & Engineering Languages : en Pages : 569
Book Description
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.
Author: Massimo La Scala Publisher: John Wiley & Sons ISBN: 1848217498 Category : Science Languages : en Pages : 371
Book Description
This book addresses different algorithms and applications based on the theory of multiobjective goal attainment optimization. In detail the authors show as the optimal asset of the energy hubs network which (i) meets the loads, (ii) minimizes the energy costs and (iii) assures a robust and reliable operation of the multicarrier energy network can be formalized by a nonlinear constrained multiobjective optimization problem. Since these design objectives conflict with each other, the solution of such the optimal energy flow problem hasn’t got a unique solution and a suitable trade off between the objectives should be identified. A further contribution of the book consists in presenting real-world applications and results of the proposed methodologies developed by the authors in three research projects recently completed and characterized by actual implementation under an overall budget of about 23 million €.
Author: James J. (Jong Hyuk) Park Publisher: Springer Science & Business ISBN: 364255038X Category : Technology & Engineering Languages : en Pages : 920
Book Description
The new multimedia standards (for example, MPEG-21) facilitate the seamless integration of multiple modalities into interoperable multimedia frameworks, transforming the way people work and interact with multimedia data. These key technologies and multimedia solutions interact and collaborate with each other in increasingly effective ways, contributing to the multimedia revolution and having a significant impact across a wide spectrum of consumer, business, healthcare, education and governmental domains. This book aims to provide a complete coverage of the areas outlined and to bring together the researchers from academic and industry as well as practitioners to share ideas, challenges and solutions relating to the multifaceted aspects of this field.
Author: Ashwani Kumar Publisher: Springer Nature ISBN: 9819976308 Category : Technology & Engineering Languages : en Pages : 366
Book Description
The book contains select proceedings of the International Conference on Smart Grid Energy Systems and Control (SGESC 2023). The proceedings are divided into 02 volumes, and this volume focuses on the Decarbonisation and Digitization of the Energy System. The book covers the important topics on the smart grid/microgrids and control aspects, optimal energy scheduling, distributed generation, wind energy for remote electrification, forecasting of loads and daily energy demand, reactive power management, Volt-Var control, reactive power procurement, and ancillary services, the role of FACTS devices for reactive power management and control, feasibility study of PV/Wind hybrid systems, electricity markets, stability of the power system network, energy storage systems and electrical vehicles. This book is a unique collection of 27 chapters from different areas with a common theme and will be immensely useful to academic researchers and practitioners in the industry.
Author: Ahmed Ali Nazeri Publisher: BoD – Books on Demand ISBN: 3737611688 Category : Technology & Engineering Languages : en Pages : 366
Book Description
Voltage source converters (VSCs), among other power converters, play a crucial role in supplying power to both local loads and the grid at the PCC. During stand-alone operation, VSCs ensure stable power for loads by regulating the output voltage. In grid-connected mode, the regulation shifts to controlling output current, such as converter side current (CSC) or grid side current (GSC), to inject sinusoidal current into the electrical grid. The nonlinear characteristics of the loads connected to the power converters result in significantly distorted output voltages. This capability is crucial for applications such as uninterruptible power supply (UPS), emphasizing the importance of precise output voltage control. Similarly, in grid-connected mode, the CSC or the GSC is regulated to inject low THD current. The aim is to mitigate grid current harmonics arising from dead time and distorted grid voltages. Therefore, the harmonic mitigation of the grid current control is investigated in this work. This work presents the implementation of the proportional resonant plus multi-resonant (PR-MR) and practical proportional resonant plus multi-resonant (PMR-MR) harmonic controllers in the voltage and current control loops to mitigate the high-order harmonic currents.
Author: Francisco G. Montoya Publisher: MDPI ISBN: 3036503587 Category : Technology & Engineering Languages : en Pages : 350
Book Description
Electrical power systems are complex networks that include a set of electrical components that allow distributing the electricity generated in the conventional and renewable power plants to distribution systems so it can be received by final consumers (businesses and homes). In practice, power system management requires solving different design, operation, and control problems. Bearing in mind that computers are used to solve these complex optimization problems, this book includes some recent contributions to this field that cover a large variety of problems. More specifically, the book includes contributions about topics such as controllers for the frequency response of microgrids, post-contingency overflow analysis, line overloads after line and generation contingences, power quality disturbances, earthing system touch voltages, security-constrained optimal power flow, voltage regulation planning, intermittent generation in power systems, location of partial discharge source in gas-insulated switchgear, electric vehicle charging stations, optimal power flow with photovoltaic generation, hydroelectric plant location selection, cold-thermal-electric integrated energy systems, high-efficiency resonant devices for microwave power generation, security-constrained unit commitment, and economic dispatch problems.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
Electricity is the one important energy form used in industrial, commercial, and residential areas. The power transmission system is essential for the power utility system to transmit electricity. Now the transmission lines in the modern interconnected power system are heavily loaded to meet the growing demands. The aggregate demand for electricity has grown by about 25% over the last decade and is expected to grow no less than 20% for the next decade. At the same time, however, the annual investment in transmission facilities has declined, leading directly to severe power congestion in the transmission lines. Construction of new transmission facilities could alleviate congestions, but it is cost-prohibitive and time-consuming. The way of using passive components and Flexible AC Transmission System (FACTS) to manage the power flow on transmission lines is efficient but not very effective. While low-cost ($15â€"25 per kVar as for static capacitors) and easy-to-use, passive components are inadaptable and slow for control purpose. The FACTS devices can control the power flow on transmission lines with flexible control and fast response through the use of large power converters (10-300 MW), but high expenses, typically exceeding $100 per kVA, together with reliability concerns constitute substantial obstacles for the widespread application of FACTS. Recently ETO Light modular voltage source converter (VSC) has been developed. It has lower cost, higher reliability and high power density and can be completely housed in an enclosure without additional user intervention. Accordingly, ETO Light converter has the potential to widely spread the use of the modular voltage source converter in FACTS applications and other high power industry applications. This dissertation introduces a new concept of distributed power flow controller (DPFC) based on the development of ETO Light converter. Unlike the conventional lumped high rating (10-300MVA) series compensation converter, the pr.
Author: Praveena
Author: Praveena
Author: Kalyan K. Sen
Author: Xiao-Ping Zhang
Author: Massimo La Scala
Author: James J. (Jong Hyuk) Park
Author: Ashwani Kumar
Author: Ahmed Ali Nazeri
Author: Francisco G. Montoya
Author: 
Author: