Advanced Controls for Wind Driven Doubly Fed Induction Generators PDF Download
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Author: Mahmoud K. Abdelhamid
Publisher: CRC Press
ISBN: 1003832156
Category : Technology & Engineering
Languages : en
Pages : 212
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Book Description
Advanced Controls for Wind Driven Doubly Fed Induction Generators discusses the most advanced control algorithms used for enhancing the dynamics of a doubly fed induction generator (DFIG) operating at fixed and variable speeds, and which are used for different utilization purposes (standalone and grid connection). Extensive generator performance analysis has been introduced using various control topologies. Features: Presents modeling of wind energy conversion systems (WECS), including a wind turbine as a prime mover, a DFIG as a generation unit for electrical energy, and a three-phase induction motor as an isolated load Explores a detailed description for the presented control algorithms in order to visualize the base principle of each method Introduces a comprehensive performance analysis for the DFIG using the formulated predictive voltage control scheme and other control techniques under different operating conditions Examines the formulation of new control approaches which overcome the shortages present in previous DFIG control schemes Presents a detailed comparison between different control topologies for the DFIG to outline the most effective procedure in terms of dynamic response, structure simplicity, ripples, total harmonic distortion, and computational burdens The book is written for researchers and academics working on advanced control systems and those interested in areas such as machine drives, renewable energy systems, 'adaptive control', modeling of WECS, and optimization theory.
Author: Mahmoud K. Abdelhamid
Publisher: CRC Press
ISBN: 1003832156
Category : Technology & Engineering
Languages : en
Pages : 212
Get Book Here
Book Description
Advanced Controls for Wind Driven Doubly Fed Induction Generators discusses the most advanced control algorithms used for enhancing the dynamics of a doubly fed induction generator (DFIG) operating at fixed and variable speeds, and which are used for different utilization purposes (standalone and grid connection). Extensive generator performance analysis has been introduced using various control topologies. Features: Presents modeling of wind energy conversion systems (WECS), including a wind turbine as a prime mover, a DFIG as a generation unit for electrical energy, and a three-phase induction motor as an isolated load Explores a detailed description for the presented control algorithms in order to visualize the base principle of each method Introduces a comprehensive performance analysis for the DFIG using the formulated predictive voltage control scheme and other control techniques under different operating conditions Examines the formulation of new control approaches which overcome the shortages present in previous DFIG control schemes Presents a detailed comparison between different control topologies for the DFIG to outline the most effective procedure in terms of dynamic response, structure simplicity, ripples, total harmonic distortion, and computational burdens The book is written for researchers and academics working on advanced control systems and those interested in areas such as machine drives, renewable energy systems, 'adaptive control', modeling of WECS, and optimization theory.
Author: Dehong Xu
Publisher: John Wiley & Sons
ISBN: 1119172063
Category : Science
Languages : en
Pages : 486
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Book Description
Covers the fundamental concepts and advanced modelling techniques of Doubly Fed Induction Generators accompanied by analyses and simulation results Filled with illustrations, problems, models, analyses, case studies, selected simulation and experimental results, Advanced Control of Doubly Fed Induction Generator for Wind Power Systems provides the basic concepts for modelling and controlling of Doubly Fed Induction Generator (DFIG) wind power systems and their power converters. It explores both the challenges and concerns of DFIG under a non-ideal grid and introduces the control strategies and effective operations performance options of DFIG under a non-ideal grid. Other topics of this book include thermal analysis of DFIG wind power converters under grid faults; implications of the DFIG test bench; advanced control of DFIG under harmonic distorted grid voltage, including multiple-loop and resonant control; modeling of DFIG and GSC under unbalanced grid voltage; the LFRT of DFIG, including the recurring faults ride through of DFIG; and more. In addition, this resource: Explores the challenges and concerns of Doubly Fed Induction Generators (DFIG) under non-ideal grid Discusses basic concepts of DFIG wind power system and vector control schemes of DFIG Introduces control strategies under a non-ideal grid Includes case studies and simulation and experimental results Advanced Control of Doubly Fed Induction Generator for Wind Power Systems is an ideal book for graduate students studying renewable energy and power electronics as well as for research and development engineers working with wind power converters.
Author: Adel Abdelbaset
Publisher: Springer
ISBN: 3319701088
Category : Technology & Engineering
Languages : en
Pages : 110
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Book Description
This book presents a modified model reference adaptive system (MRAS) observer for sensorless vector control of a wind driven doubly fed induction generator (DFIG). A mathematical model of the DFIG as influenced by core loss and main flux saturation is developed. The authors describe and evaluate grid synchronization enhancement of a wind driven DFIG using adaptive sliding mode control (SMC). Besides, grid synchronization of a wind driven DFIG under unbalanced grid voltage is also fully covered in this book.
Author: Radu-Emil Precup
Publisher: Springer
ISBN: 9811359954
Category : Technology & Engineering
Languages : en
Pages : 257
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Book Description
This book presents advanced studies on the conversion efficiency, mechanical reliability, and the quality of power related to wind energy systems. The main concern regarding such systems is reconciling the highly intermittent nature of the primary source (wind speed) with the demand for high-quality electrical energy and system stability. This means that wind energy conversion within the standard parameters imposed by the energy market and power industry is unachievable without optimization and control. The book discusses the rapid growth of control and optimization paradigms and applies them to wind energy systems: new controllers, new computational approaches, new applications, new algorithms, and new obstacles.
Author: Ahmad Taher Azar
Publisher: Academic Press
ISBN: 0128203986
Category : Technology & Engineering
Languages : en
Pages : 734
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Book Description
Renewable Energy Systems: Modelling, Optimization and Control aims to cross-pollinate recent advances in the study of renewable energy control systems by bringing together diverse scientific breakthroughs on the modeling, control and optimization of renewable energy systems by leading researchers. The book brings together the most comprehensive collection of modeling, control theorems and optimization techniques to help solve many scientific issues for researchers in renewable energy and control engineering. Many multidisciplinary applications are discussed, including new fundamentals, modeling, analysis, design, realization and experimental results. The book also covers new circuits and systems to help researchers solve many nonlinear problems. This book fills the gaps between different interdisciplinary applications, ranging from mathematical concepts, modeling, and analysis, up to the realization and experimental work. - Covers modeling, control theorems and optimization techniques which will solve many scientific issues for researchers in renewable energy - Discusses many multidisciplinary applications with new fundamentals, modeling, analysis, design, realization and experimental results - Includes new circuits and systems, helping researchers solve many nonlinear problems
Author: Yatish T. Shah
Publisher: CRC Press
ISBN: 1000969312
Category : Technology & Engineering
Languages : en
Pages : 593
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Book Description
Generally, sources for power generation are broken down into two categories: thermal and non-thermal. Thermal sources for power generation include combustion, geothermal, solar, nuclear, and waste heat, which essentially provide heat as a means for power generation. This book examines non-thermal (mechanical, electrochemical, nanoscale self-powered, and hybrid) sources of power generation and emphasizes recent advances in distributed power generation systems. Key Features Details recent advances made in wind power, including onshore, offshore, fixed and floating platform, and air wind energy systems, and offers detailed assessments of progress Covers advances in generation of hydropower, exploring dam hydropower, novel wave energy converters, and novel systems and turbines for hydrokinetic energy conversion to power Examines all types of fuel cells and their multi-functional roles, along with hybrid fuel cell systems in complete detail Explores advances in the development of self-powered nanogenerators for use in portable, wearable, and implantable power electronics Focuses on technologies with the best commercial possibilities and provides perspectives on future challenges that need to be solved This book will be of value to all researchers in academia, industry, and government interested in pursuing power generation technologies and seeking a comprehensive understanding of available and emerging non-thermal power generation sources. Readers who are interested in learning about thermal power generation sources can find it in the author’s companion text Advanced Power Generation Systems: Thermal Sources (2023).
Author: Om Hari Gupta
Publisher: Springer Nature
ISBN: 9811579946
Category : Technology & Engineering
Languages : en
Pages : 542
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Book Description
This book presents select proceedings of Electric Power and Renewable Energy Conference 2020 (EPREC 2020). This book provides rigorous discussions, case studies, and recent developments in the emerging areas of the power system, especially, renewable energy conversion systems, distributed generations, microgrid, smart grid, HVDC & FACTS, power system protection, etc. The readers would be benefited in terms of enhancing their knowledge and skills in the domain areas. The book will be a valuable reference for beginners, researchers, and professionals interested in developments in the power system.
Author: Ivan Zelinka
Publisher: Springer
ISBN: 3030149072
Category : Technology & Engineering
Languages : en
Pages : 994
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Book Description
These proceedings address a broad range of topic areas, including telecommunication, power systems, digital signal processing, robotics, control systems, renewable energy, power electronics, soft computing and more. Today’s world is based on vitally important technologies that combine e.g. electronics, cybernetics, computer science, telecommunication, and physics. However, since the advent of these technologies, we have been confronted with numerous technological challenges such as finding optimal solutions to various problems regarding controlling technologies, signal processing, power source design, robotics, etc. Readers will find papers on these and other topics, which share fresh ideas and provide state-of-the-art overviews. They will also benefit practitioners, who can easily apply the issues discussed here to solve real-life problems in their own work. Accordingly, the proceedings offer a valuable resource for all scientists and engineers pursuing research and applications in the above-mentioned fields.
Author: Zhouxing Hu
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 54
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Book Description
This thesis studies the basic concept of doubly-fed induction generators (DFIG) and develops a laboratory model to simulate DFIG wind turbine generators (WTG). 0́−Doubly-fed0́+ refers to the three-phase stator and rotor windings, both of which have electric power exchange with the ac power system. Different from synchronous generators installed in coal, oil, gas, hydro, and nuclear power plants, asynchronous DFIG generators are widely used for wind energy conversion because of the diversity of wind power. Through the control of back-to-back PWM converters connected between the DFIG rotor and power system, a DFIG can operate at variable speed but constant stator frequency. Below rated wind speed, the DFIG controls the torque on the turbine shaft to track the best operating point (i.e. at best tip-speed ratio). Above rated wind speed, the pitch angle of the turbine blades is adjusted to limit the power captured from the wind. DFIG can provide power factor regulation by controlling the reactive power exchange with the grid. In this laboratory DFIG experiment, a DC motor is open-loop controlled as a prime mover with variable mechanical power output. A wound-rotor induction motor is mechanically coupled to the DC motor and operated as a DFIG. An IGBT inverter is connected to a variable DC voltage source in order to provide a controllable three-phase voltage applied to the rotor windings. The reactive power output is controlled by setting the magnitude of the rotor excitation voltage. The active power (torque), reactive power output and speed can be controlled by setting the frequency of the rotor excitation voltage. Through manually adjusting the DC input and rotor excitation voltage, the laboratory DFIG is able to operate at a variable simulated wind speed (4 0́3 25 m/s) with desired power output following the GE 1.5 MW WTG. As an advanced control strategy, decoupled d-q vector control for DFIG using back-to-back converters is studied. Under a stator-flux oriented reference frame, for the rotor-side converter, the rotor d- component (i.e. vrd, ird) controls the stator reactive power (rotor excitation current), while the rotor q- component (i.e. vrq, irq) controls the stator active power (electrical torque); for the supply-side converter, the d- component (i.e. vd, id) controls the DC-link voltage, while the q- component (i.e. vq, iq) controls the reactive power.
Author: Mohammad O. Hamdan
Publisher: Springer
ISBN: 3319057081
Category : Technology & Engineering
Languages : en
Pages : 701
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Book Description
This book collects the edited and reviewed contributions presented in the 3rd International Conference on Renewable Energy: Generation and Applications” ICREGA’14, organized by the UAE University in Al-Ain. This conference aims to disseminate knowledge on methods, policies and technologies related to renewable energy and it acknowledges the leadership of the UAE which committed to a 7% renewable energy target by 2020. The demands and developments in renewable energy generations and applications are rapidly growing and are facing many challenges on different levels such as basic science, engineering system design, energy policies and sustainable developments. This edition presents new contributions related to recent renewable energy case studies, developments in biofuel, energy storage, solar and wind energy, integrated systems and sustainable power production. In the spirit of the ICREGA’14, the volume has been produced after the conference so that the authors had the possibility to incorporate comments and discussions raised during the meeting. The contributions have been grouped in the following topics: - Efficient Energy Utilization - Electrical Energy Market, Management and Economics - Energy Storage Systems - Environmental Issues - Fuel Cells Systems - Green Buildings - Intelligent Energy/Power Transmission and Distribution - Solar Photovoltaic and Thermal Energy - Wind Energy Systems.
