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Author : Mingzhou Xu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (62 download)
Download or read book A Study of Induction Generator Performance in a Wave Energy Conversion System written by Mingzhou Xu and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Omar Farrok
Publisher : Springer Nature
ISBN 13 : 981999814X
Total Pages : 187 pages
Book Rating : 4.8/5 (199 download)
Download or read book Oceanic Wave Energy Conversion written by Omar Farrok and published by Springer Nature. This book was released on with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Godoy Simões
Publisher : CRC Press
ISBN 13 : 1482244691
Total Pages : 468 pages
Book Rating : 4.4/5 (822 download)
Download or read book Modeling and Analysis with Induction Generators written by M. Godoy Simões and published by CRC Press. This book was released on 2014-12-11 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its Third Edition, Alternative Energy Systems: Design and Analysis with Induction Generators has been renamed Modeling and Analysis with Induction Generators to convey the book's primary objective-to present the fundamentals of and latest advances in the modeling and analysis of induction generators. New to the Third EditionRevised equations
Author : Loi Lei Lai
Publisher : Wiley-IEEE Press
ISBN 13 : 9780470062081
Total Pages : 262 pages
Book Rating : 4.0/5 (62 download)
Download or read book Distributed Generation written by Loi Lei Lai and published by Wiley-IEEE Press. This book was released on 2007-11-28 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed power generation is a technology that could help to enable efficient, renewable energy production both in the developed and developing world. It includes all use of small electric power generators, whether located on the utility system, at the site of a utility customer, or at an isolated site not connected to the power grid. Induction generator (IG) is the most commonly used and cheapest technology, compatible with renewable energy resources. Permanent magnet (PM) generators have traditionally been avoided due to high fabrication costs; however, compared with IGs they are more reliable and productive. Distributed Generation thoroughly examines the principles, possibilities and limitations of creating energy with both IGs and PM generators. It takes an electrical engineering approach in the analysis and testing of these generators, and includes diagrams and extensive case study examples to better demonstrate how the integration of energy sources can be accomplished. The book also provides the practical tools needed to model and implement new techniques for generating energy through isolated or grid-connected systems. Besides a chapter introducing the technical, economic and environmental impacts of distributed generation, this book includes: an examination of various phase-balancing schemes for a three-phase IG operating on a single-phase power system; a coupled circuit 2-D finite element analysis of a grid-connected IG, with Steinmetz connection; a study of self-excited induction generator (SEIG) schemes for autonomous power systems, and the voltage and frequency control of SEIG with a slip-ring machine (SESRIG); a report on a PM synchronous generator with inset rotor for achieving a reduced voltage regulation when supplying an autonomous power system, and an analysis of its performance using a two-axis model and finite element method; experimental work on various IG and SEIG schemes. This book is a must-read for engineers, consultants, regulators, and environmentalists involved in energy production and delivery, helping them to evaluate renewable energy sources and to integrate these into an efficient energy delivery system. It is also a superior reference for undergraduates and postgraduates. Designers, operators, and planners will appreciate its unique contribution to the literature in this field.
Author : Yu Zou
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book Induction Generator in Wind Power Systems written by Yu Zou and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind power is the fastest growing renewable energy and is promising as the number one source of clean energy in the near future. Among various generators used to convert wind energy, the induction generator has attracted more attention due to its lower cost, lower requirement of maintenance, variable speed, higher energy capture efficiency, and improved power quality [1-2]. Generally, there are two types of induction generators widely used in wind power systems - Squirrel-Cage Induction Generator (SCIG) and Doubly-Fed Induction Generator (DFIG). The straightforward power conversion technique using SCIG is widely accepted in fixed-speed applications with less emphasis on the high efficiency and control of power flow. However, such direct connection with grid would allow the speed to vary in a very narrow range and thus limit the wind turbine utilization and power output. Another major problem with SCIG wind system is the source of reactive power; that is, an external reactive power compensator is required to hold distribution line voltage and prevent whole system from overload. On the other hand, the DFIG with variable-speed ability has higher energy capture efficiency and improved power quality, and thus dominates the large-scale power conversion applications. With the advent of power electronics techniques, a back-to-back converter, which consists of two bidirectional converters and a dc-link, acts as an optimal operation tracking interface between DFIG and loads [3-5]. Field orientation control (FOC) is applied to both rotor- and stator-side converters to achieve desirable control on voltage and power [6,7].
Author : Vineet Dahiya
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Comparative Study of Doubly Fed Induction Generator and Permanent Magnet Synchronous Generator in Wind Energy Conversion System written by Vineet Dahiya and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Rodney Robert Noteboom
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (179 download)
Download or read book Analysis of a Slip-extended Induction Generator for Use in a Wind Energy Conversion System written by Rodney Robert Noteboom and published by . This book was released on 1988 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Irfan Alan
Publisher :
ISBN 13 :
Total Pages : 522 pages
Book Rating : 4.:/5 (89 download)
Download or read book Feasibility Study of an Isolated Induction Motor/induction Generator Power Conversion System Based Upon a 20 KHZ Parallel Resonant AC Link written by Irfan Alan and published by . This book was released on 1993 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 754 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zhouxing Hu
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (697 download)
Download or read book Development of Laboratory Doubly Fed Induction Generator for Wind Energy Research written by Zhouxing Hu and published by . This book was released on 2010 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : K. Murali
Publisher : Springer
ISBN 13 : 9811331340
Total Pages : 929 pages
Book Rating : 4.8/5 (113 download)
Download or read book Proceedings of the Fourth International Conference in Ocean Engineering (ICOE2018) written by K. Murali and published by Springer. This book was released on 2018-12-31 with total page 929 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises selected proceedings of the Fourth International Conference in Ocean Engineering (ICOE2018), focusing on emerging opportunities and challenges in the field of ocean engineering and offshore structures. It includes state-of-the-art content from leading international experts, making it a valuable resource for researchers and practicing engineers alike.
Author :
Publisher :
ISBN 13 :
Total Pages : 600 pages
Book Rating : 4.3/5 ( download)
Download or read book Solar Energy Update written by and published by . This book was released on 1980 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael A. Stelzer
Publisher : AuthorHouse
ISBN 13 : 1477244948
Total Pages : 169 pages
Book Rating : 4.4/5 (772 download)
Download or read book Evaluation of Ocean-Energy Conversion Based on Linear Generator Concepts written by Michael A. Stelzer and published by AuthorHouse. This book was released on 2012-07-03 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: EVALUATION OF OCEAN-ENERGY CONVERSION BASED ON LINEAR GENERATOR CONCEPTS As the world continues to demand greater productivity and lifestyle enrichment through technological advancements, the demand for electrical power is predicted to escalate dramatically. Thus far, this increased demand has been primarily supplied from fossil fueled plants. Unfortunately, the burning of fossil fuels produce harmful carbon dioxide pollution as a by-product. It has been hypothesized that unless a clean, renewable, and efficient alternate source of energy is found soon, the world may either exhaust its supplies of energy-producing materials or drastically degrade its environment. However, motions that occur naturally, such as ocean waves, can play a significant role in generating environmentally safe and economically viable energy for human utilization. The focus of this work predicts the electrical power generation capabilities from a seabed mounted linear generator tethered to a floating buoy heaving under the influence of passing ocean surface waves. Mathematical models are introduced which simulate the oceans' surface conditions under both the regular (basic) and irregular (natural) wave regimes, the heave (vertical displacement) response for a floating buoy, and the resulting electrical output parameters of the linear generator. Within these models, various physical and electrical parameters are altered in an attempt to generate a greater output power for a given sea state condition, making the Wave Energy Converter (WEC) more efficient. It is shown theoretically that the buoy can be designed to have a greater heave response than that of the height of a passing wave resulting in an increase in generated power from the linear generator. Author Information: Dr. Michael A. Stelzer is a Certified Project Manager and Senior Electronic Technician with a Ph.D. in Electrical and Computer Engineering. During his career to date, Mr. Stelzer has published four additional educational titles and has been admitted into Cambridge Who's Who top 101 industry experts.
Author : Bernard Multon
Publisher : John Wiley & Sons
ISBN 13 : 111860329X
Total Pages : 480 pages
Book Rating : 4.1/5 (186 download)
Download or read book Marine Renewable Energy Handbook written by Bernard Multon and published by John Wiley & Sons. This book was released on 2013-02-07 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine renewable energy is a significant resource for generating electricity, and if some conversion technologies have already reached a certain level of maturity, others are emerging. The originality of this multidisciplinary book is to offer a broad spectrum of knowledge from academic and industry experts of various origins. It deals with general aspects such as the specificities and constraints of the marine environment, the concepts of hydrodynamics and ocean engineering, as well as the industrial and economic sides necessary for the assembly of projects. It also discusses conversion technologies such as offshore wind, tidal power plants, tidal stream turbines, wave energy converters and ocean thermal energy plants. Finally, two chapters are devoted to power electronic conversion and power transmission cables.
Author : Ion Boldea
Publisher : CRC Press
ISBN 13 : 1420037269
Total Pages : 551 pages
Book Rating : 4.4/5 (2 download)
Download or read book Variable Speed Generators written by Ion Boldea and published by CRC Press. This book was released on 2005-11-09 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surveying the technologies used to satisfy the world's demand for open, efficient, and clean electricity, Variable Speed Generators provides an in-depth examination of variable-speed generators for both stand-alone and grid-connected applications. Part of The Electric Generators Handbook, Two-Volume Set, this work offers authoritative, tightly focused treatment of the topologies, steady state and transients modeling, performance, control, design, and testing of stand-alone and grid-connected generators operating at variable speeds. Variable Speed Generators thoroughly covers all types of variable-speed generators currently in progress in distributed generation and renewable energy applications around the world. It delves into the steady state, transients, control, and design of claw-pole rotor synchronous, induction, permanent magnet-assisted synchronous, and switched reluctance starter alternators for hybrid-electric vehicles. It also discusses PM synchronous, transverse-flux PM, and flux-reversal PM generators for low-speed wind and hydro energy conversion as well as linear-motion alternators for residential and spacecraft applications. Numerous design and control examples illustrate the discussion. The promise of renewable, sustainable energy rests on our ability to design innovative power systems that are able to harness energy from a variety of sources. Variable Speed Generators supplies the tools necessary to design, validate, and deploy the right power generation technologies to fulfill tomorrow's complex energy needs.
Author : Abdus Samad
Publisher : Springer Nature
ISBN 13 : 3030787168
Total Pages : 586 pages
Book Rating : 4.0/5 (37 download)
Download or read book Ocean Wave Energy Systems written by Abdus Samad and published by Springer Nature. This book was released on 2021-08-21 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a timely review of wave energy and its conversion mechanisms. Written having in mind current needs of advanced undergraduates engineering students, it covers the whole process of energy generation, from waves to electricity, in a systematic and comprehensive manner. Upon a general introduction to the field of wave energy, it presents analytical calculation methods for estimating wave energy potential in any given location. Further, it covers power-take off (PTOs), describing their mechanical and electrical aspects in detail, and control systems and algorithms. The book includes chapters written by active researchers with vast experience in their respective filed of specialization. It combines basic aspects with cutting-edge research and methods, and selected case studies. The book offers systematic and practice-oriented knowledge to students, researchers, and professionals in the wave energy sector. Chapters 17 of this book is available open access under a CC BY 4.0 license at link.springer.com
Author : Yi Liu
Publisher : Springer Nature
ISBN 13 : 9811904243
Total Pages : 418 pages
Book Rating : 4.8/5 (119 download)
Download or read book Advances in Control Technologies for Brushless Doubly-fed Induction Generators written by Yi Liu and published by Springer Nature. This book was released on 2022-03-06 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents advances in control technologies for efficient operation of the brushless doubly-fed induction generator (BDFIG). For robust and low-cost operation of BDFIGs, it is required to keep high-quality output voltage and eliminate the speed/position encoder under different loads and operation conditions. Some advanced control technologies, from the authors’ latest work on these topics, are presented to achieve this goal with simple and accurate texts, illustrations, and tables. The qualified outcomes obtained from this book assure the high-performance operation of BDFIGs and also give the readers a straight insight toward challenges in this research area in the future.
