Comparative Study of Doubly Fed Induction Generator and Permanent Magnet Synchronous Generator in Wind Energy Conversion System PDF Download
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Author: Vineet Dahiya
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The objective of this research paper is to compare various types of generator used in Wind Energy Conversion system topologies. Now a days there is fast growth of variable speed WECS due to rapid advances in power electronics technologies. In present scenario there are primarily two types of generators used in WECS namely Doubly Fed Induction Generator(DFIG) used for geared operation for variable speeds and fixed speeds and Permanent Magnet Synchronous generator(PMSG) can operate gearless. As there is higher demand of power, offshore installations are gaining popularity and hence new wind turbine designs are being expected in near future, as there will be development in generators and converter design.
Author: Vineet Dahiya
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The objective of this research paper is to compare various types of generator used in Wind Energy Conversion system topologies. Now a days there is fast growth of variable speed WECS due to rapid advances in power electronics technologies. In present scenario there are primarily two types of generators used in WECS namely Doubly Fed Induction Generator(DFIG) used for geared operation for variable speeds and fixed speeds and Permanent Magnet Synchronous generator(PMSG) can operate gearless. As there is higher demand of power, offshore installations are gaining popularity and hence new wind turbine designs are being expected in near future, as there will be development in generators and converter design.
Author: Kenneth Okedu
Publisher: CRC Press
ISBN: 1000856461
Category : Technology & Engineering
Languages : en
Pages : 235
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Book Description
Due to environmental pollution and climate change, the use of renewable energy sources as an alternative means of power generation is on the rise globally. This is because of their clean nature, which makes them ecofriendly with little or no pollution compared to the traditional fossil fuel power-generation power plants. Among the various renewable energy sources, wind energy is one of the most widely employed, due to its promising technology. Wind turbine technologies could be classified into two groups as follows: Fixed Speed Wind Turbines (FSWTs) and Variable Speed Wind Turbines (VSWTs). There have been tremendous improvements in wind turbine technology over the years, from FSWTs to VSWTs, as a result of fast innovations and advanced developments in power electronics. Thus, the VSWTs have better wind energy capture and conversion efficiencies, less acoustic noise and mechanical stress, and better power quality in power grids without support from external reactive power compensators due to the stochastic nature of wind energy. The two most widely employed VSWTs in wind farm development are the Doubly Fed Induction Generator (DFIG) and the Permanent Magnet Synchronous Generator (PMSG) wind turbines. In order to solve transient stability intricacies during power grid faults, this book proposes different control strategies for the DFIG and PMSG wind turbines.
Author: Sofiane Bououden
Publisher: Springer Nature
ISBN: 9811564035
Category : Technology & Engineering
Languages : en
Pages : 1257
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Book Description
This book gathers papers presented during the 4th International Conference on Electrical Engineering and Control Applications. It covers new control system models, troubleshooting tips and complex system requirements, such as increased speed, precision and remote capabilities. Additionally, the papers discuss not only the engineering aspects of signal processing and various practical issues in the broad field of information transmission, but also novel technologies for communication networks and modern antenna design. This book is intended for researchers, engineers and advanced postgraduate students in the fields of control and electrical engineering, computer science and signal processing, as well as mechanical and chemical engineering.
Author: S.M. Muyeen
Publisher: Springer Science & Business Media
ISBN: 1447122003
Category : Business & Economics
Languages : en
Pages : 532
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Book Description
This exploration of the technical progress of wind energy conversion systems also examines potential future trends and includes recently developed systems such as those for multi-converter operation of variable-speed wind generators and lightning protection.
Author: Gonzalo Abad
Publisher: John Wiley & Sons
ISBN: 1118104951
Category : Technology & Engineering
Languages : en
Pages : 578
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Book Description
This book will be focused on the modeling and control of the DFIM based wind turbines. In the first part of the book, the mathematical description of different basic dynamic models of the DFIM will be carried out. It will be accompanied by a detailed steady-state analysis of the machine. After that, a more sophisticated model of the machine that considers grid disturbances, such as voltage dips and unbalances will be also studied. The second part of the book surveys the most relevant control strategies used for the DFIM when it operates at the wind energy generation application. The control techniques studied, range from standard solutions used by wind turbine manufacturers, to the last developments oriented to improve the behavior of high power wind turbines, as well as control and hardware based solutions to address different faulty scenarios of the grid. In addition, the standalone DFIM generation system will be also analyzed.
Author: Panos M. Pardalos
Publisher: Springer Science & Business Media
ISBN: 3642410804
Category : Technology & Engineering
Languages : en
Pages : 839
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Book Description
Wind power is currently considered as the fastest growing energy resource in the world. Technological advances and government subsidies have contributed in the rapid rise of Wind power systems. The Handbook on Wind Power Systems provides an overview on several aspects of wind power systems and is divided into four sections: optimization problems in wind power generation, grid integration of wind power systems, modeling, control and maintenance of wind facilities and innovative wind energy generation. The chapters are contributed by experts working on different aspects of wind energy generation and conversion.
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: Qingxin Yang
Publisher: Springer Nature
ISBN: 9819710723
Category :
Languages : en
Pages : 906
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Book Description
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: Salim Ziani
Publisher: Springer Nature
ISBN: 9819747767
Category :
Languages : en
Pages : 504
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Book Description
