Modeling And Control Of A Marine Current Energy Conversion System Using A Doubly Salient Permanent Magnet Generator

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Modeling and control of a marine current energy conversion system using a doubly salient permanent magnet generator

Author : Hao Chen
Publisher :
ISBN 13 :
Total Pages : 199 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Modeling and control of a marine current energy conversion system using a doubly salient permanent magnet generator by : Hao Chen

Download or read book Modeling and control of a marine current energy conversion system using a doubly salient permanent magnet generator written by Hao Chen and published by . This book was released on 2014 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Parmi les énergies marines renouvelables hors éolien posé, toutes naissantes, l’énergie des courants marins (énergie hydrolienne) est susceptible de déboucher sur une exploitation commerciale et industrielle à moyen terme. C’est une énergie intermittente, mais très prévisible, ce qui facilite son intégration au réseau. Les travaux réalisés dans cette thèse rentrent dans ce contexte et ont pour objectif la modélisation et la commande d’une chaîne de conversion d’énergie hydrolienne. Cela nécessite une modélisation multiphysique allant de la ressource jusqu’à l’intégration au réseau électrique, la conception et la commande d’une génératrice innovante à attaque directe et des interfaces d’électronique de puissance associés. Les concepts de turbines hydroliennes, les projets existants ou en cours ainsi que les structures usuelles de chaînes de conversion sont présentés. Les modèles de la ressource et de la turbine sont dressés. Un modèle dynamique d’une génératrice synchrone à aimants permanents doublement saillante basé sur la méthode des éléments finis et la transformation de Park est ensuite développé. Les résultats obtenus sont comparés à ceux d'une génératrice synchrone à aimants permanents classique montrant ainsi l’originalité, la complexité et les principales caractéristiques de la structure proposée. L’impact de la mutuelle inductance entre les phases statoriques sur les performances de la machine est détaillé. Des formes particulières de courants d’alimentation sont recherchés et testés par simulation en vue de délivrer un couple quasi constant et de minimiser les pertes Joule. Différentes stratégies de contrôle sont ensuite élaborées et appliquées à l’ensemble génératrice – convertisseurs bidirectionnels à MLI. Les résultats obtenus en mode de fonctionnement MPPT ou défluxé à l’aide de l’outil de simulation développé sont présentés et discutés pour des cas tests réalistes réalisés sous l’environnement Matlab/Simulink.

Design and Control of a New Class of Doubly Salient Permanent Magnet Machines

Author : Yue Li
Publisher :
ISBN 13 :
Total Pages : 530 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Design and Control of a New Class of Doubly Salient Permanent Magnet Machines by : Yue Li

Download or read book Design and Control of a New Class of Doubly Salient Permanent Magnet Machines written by Yue Li and published by . This book was released on 1996 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling, Design and Control of a Small Marine Current Energy Conversion System

Author : Md Nahidul Islam Khan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (132 download)

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Book Synopsis Modeling, Design and Control of a Small Marine Current Energy Conversion System by : Md Nahidul Islam Khan

Download or read book Modeling, Design and Control of a Small Marine Current Energy Conversion System written by Md Nahidul Islam Khan and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Seaformatics project is a five year AIF project that intends to develop wireless marine sensors for use in monitoring seabed processes. The sensor pods will be selfpowered through ocean bottom currents and will be able to communicate with each other This research is focused on development of a device to harvest energy from water currents near the ocean floor to power such seabed marine technologies. The research is very interdisciplinary in nature and involves design, structures, fluid dynamics, nonlinear control and power electronics, which makes it very challenging. A major outcome of the research is a robust small marine current energy conversion system that can extract power from the low marine current. A prototype was designed and constructed. It was tested in the towing tank in the Faculty of Engineering at Memorial University of Newfoundland. Power output was controlled using a DSP PI controller. The device consisted of a watertight hull. An electric generator was installed inside the hull and the turbine rotor was installed outside. The rotor of the device has blades like conventional wind turbines but the blades face forward into the flow and not perpendicular to it. This unique arrangement of the blades ensures high starting torque even in low currents. It used simple flat plate blades. A unique magnetic torque coupler was used to connect the generator to the turbine. This used sets of magnets inside and outside that repelled each other. Besides acting as a coupler, this arrangement of magnets also acted as a bearing. Ideally, it would have been good to use a generator designed specifically for the device but that would have been expensive and beyond the project budget so we used a commercial generator. To increase the rotational speed of this generator, a set of gears was inserted between the turbine and generator shafts. Computational Fluid Dynamics analysis and Potential Flow Hydrodynamics Theory were used to study the hydrodynamics of the rotor. This allowed us to explore geometry variations too expensive to study experimentally. For example, it showed that curved blades would give significantly more power than flat blades. This dissertation also presents an adaptive back stepping nonlinear maximum power point tracking (MPPT) control strategy for the system. Because of tow tank scheduling constraints, this was tested in simulation only. The proposed control strategy does not require any flow sensors and also does not need the parameters of a PMSG. A Lyapunov based online estimation approach is used to continually estimate the input voltage and the output load resistance of the converter. Detailed simulation results of the proposed adaptive back stepping control are presented and fully analyzed. Simulation results demonstrate that the proposed nonlinear controller can incessantly extract maximum power from the ocean current at various flow speeds.

Fault Diagnosis and Prognosis Techniques for Complex Engineering Systems

Author : Hamid Reza Karimi
Publisher : Academic Press
ISBN 13 : 0128224886
Total Pages : 421 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Fault Diagnosis and Prognosis Techniques for Complex Engineering Systems by : Hamid Reza Karimi

Download or read book Fault Diagnosis and Prognosis Techniques for Complex Engineering Systems written by Hamid Reza Karimi and published by Academic Press. This book was released on 2021-06-05 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fault Diagnosis and Prognosis Techniques for Complex Engineering Systems gives a systematic description of the many facets of envisaging, designing, implementing, and experimentally exploring emerging trends in fault diagnosis and failure prognosis in mechanical, electrical, hydraulic and biomedical systems. The book is devoted to the development of mathematical methodologies for fault diagnosis and isolation, fault tolerant control, and failure prognosis problems of engineering systems. Sections present new techniques in reliability modeling, reliability analysis, reliability design, fault and failure detection, signal processing, and fault tolerant control of engineering systems. Sections focus on the development of mathematical methodologies for diagnosis and prognosis of faults or failures, providing a unified platform for understanding and applicability of advanced diagnosis and prognosis methodologies for improving reliability purposes in both theory and practice, such as vehicles, manufacturing systems, circuits, flights, biomedical systems. This book will be a valuable resource for different groups of readers – mechanical engineers working on vehicle systems, electrical engineers working on rotary machinery systems, control engineers working on fault detection systems, mathematicians and physician working on complex dynamics, and many more. Presents recent advances of theory, technological aspects, and applications of advanced diagnosis and prognosis methodologies in engineering applications Provides a series of the latest results, including fault detection, isolation, fault tolerant control, failure prognosis of components, and more Gives numerical and simulation results in each chapter to reflect engineering practices

Design and Analysis of a Novel Doubly-salient Permanent Magnet Generator

Author : Bulent Sarlioglu
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Design and Analysis of a Novel Doubly-salient Permanent Magnet Generator by : Bulent Sarlioglu

Download or read book Design and Analysis of a Novel Doubly-salient Permanent Magnet Generator written by Bulent Sarlioglu and published by . This book was released on 1999 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Ocean-Energy Conversion Based on Linear Generator Concepts

Author : Michael A. Stelzer
Publisher : AuthorHouse
ISBN 13 : 1477244948
Total Pages : 169 pages
Book Rating : 4.4/5 (772 download)

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Book Synopsis Evaluation of Ocean-Energy Conversion Based on Linear Generator Concepts by : Michael A. Stelzer

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.

Oceanic Wave Energy Conversion

Author : Omar Farrok
Publisher : Springer Nature
ISBN 13 : 981999814X
Total Pages : 187 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Oceanic Wave Energy Conversion by : Omar Farrok

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:

Modeling and Power Control of a Marine Current Turbine System with Energy Storage Devices

Author : Zhibin Zhou
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Modeling and Power Control of a Marine Current Turbine System with Energy Storage Devices by : Zhibin Zhou

Download or read book Modeling and Power Control of a Marine Current Turbine System with Energy Storage Devices written by Zhibin Zhou and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This PhD thesis models the whole power chain of a marine current turbine (MCT) system and investigates the use of energy storage devices to improve power quality and energy management capability. First, various energy storage technologies concerning their applications to address the power fluctuation phenomena in tidal current generation system are reviewed and compared. Then, a two-stage power smoothing control strategy for compensating swell-induced short-time fluctuations is proposed. The proposed control strategy uses a modified MPPT with filter strategy on the generator-side and supercapacitors on the grid-side for injecting a smoothed power to the grid. Afterwards, a flow battery system for daily energy management of a hybrid MCT/battery/diesel system is proposed. The MCT dominant power supply case and an island power supply (with diesel generators as the main source) are investigated. Finally, power limitation controls with a robust flux-weakening strategy for a PMSG-based non-pitchable MCT system are proposed for over-rated marine current speed periods. In this context, the constant power control and maximum power control modes at the flux-weakening stage are compared; and the influence of the generator parameters on the joint operating characteristics of the turbine and generator are also discussed.

Design and Development of a Marine Current Energy Conversion System Using Hybrid Vertical Axis Turbine

Author : MD. Jahangir Alam
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (632 download)

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Book Synopsis Design and Development of a Marine Current Energy Conversion System Using Hybrid Vertical Axis Turbine by : MD. Jahangir Alam

Download or read book Design and Development of a Marine Current Energy Conversion System Using Hybrid Vertical Axis Turbine written by MD. Jahangir Alam and published by . This book was released on 2009 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Ocean-Energy Conversion Based on Linear Generator Concepts

Author : Michael A. Stelzer Ph. D.
Publisher : AuthorHouse
ISBN 13 : 1477213082
Total Pages : 169 pages
Book Rating : 4.4/5 (772 download)

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Book Synopsis Evaluation of Ocean-Energy Conversion Based on Linear Generator Concepts by : Michael A. Stelzer Ph. D.

Download or read book Evaluation of Ocean-Energy Conversion Based on Linear Generator Concepts written by Michael A. Stelzer Ph. D. and published by AuthorHouse. This book was released on 2012-06 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Novel Control of a Permanent Magnet Linear Generator for Ocean Wave Energy Applications

Author : Aaron H. VanderMeulen
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (156 download)

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Book Synopsis Novel Control of a Permanent Magnet Linear Generator for Ocean Wave Energy Applications by : Aaron H. VanderMeulen

Download or read book Novel Control of a Permanent Magnet Linear Generator for Ocean Wave Energy Applications written by Aaron H. VanderMeulen and published by . This book was released on 2008 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wave energy conversion devices are a rapidly growing interest worldwide for the potential to harness a sustainable and renewable energy source. Due to the oscillatory nature of ocean waves, the power generated from a permanent magnet linear generator (PMLG) for ocean wave energy conversion is pulsed. Focusing on direct drive technology, the PMLG directly translates the motion of the waves into electrical energy. The power generated, left unconditioned, is not easily used or stored. With conventional diode rectification topologies, line currents can not be controlled easily, resulting in an uncontrolled generator output and force. With an active rectifier topology, the real and reactive power from the PMLG is fully controllable. This thesis will investigate the generator modeling and design of a novel three-phase active rectifier topology and force controller with a dc-dc converter for bus voltage regulation. An in depth analysis for the controller design and simulations are presented. Hardware for the three-phase active rectifier is specified and built with initial lab test results. The controller design is implemented with National Instruments0́9 LabView and compiled on a CompactRIO real-time controller.

Design of Low Speed Axial Flux Permanent Magnet Generators for Marine Current Application

Author : Sanjida Moury
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (654 download)

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Book Synopsis Design of Low Speed Axial Flux Permanent Magnet Generators for Marine Current Application by : Sanjida Moury

Download or read book Design of Low Speed Axial Flux Permanent Magnet Generators for Marine Current Application written by Sanjida Moury and published by . This book was released on 2010 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Micro Seafloor Marine Current Energy Conversion System

Author : Md. Nahidul Islam Khan Khan
Publisher :
ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.:/5 (42 download)

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Book Synopsis A Micro Seafloor Marine Current Energy Conversion System by : Md. Nahidul Islam Khan Khan

Download or read book A Micro Seafloor Marine Current Energy Conversion System written by Md. Nahidul Islam Khan Khan and published by . This book was released on 2008 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Distributed Generation

Author : Loi Lei Lai
Publisher : Wiley-IEEE Press
ISBN 13 : 9780470062081
Total Pages : 262 pages
Book Rating : 4.0/5 (62 download)

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Book Synopsis Distributed Generation by : Loi Lei Lai

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.

Marine Renewable Energy Handbook

Author : Bernard Multon
Publisher : John Wiley & Sons
ISBN 13 : 111860329X
Total Pages : 480 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Marine Renewable Energy Handbook by : Bernard Multon

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.

Marine Tidal and Wave Energy Converters

Author : Mohamed Benbouzid
Publisher : MDPI
ISBN 13 : 3039282786
Total Pages : 174 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Marine Tidal and Wave Energy Converters by : Mohamed Benbouzid

Download or read book Marine Tidal and Wave Energy Converters written by Mohamed Benbouzid and published by MDPI. This book was released on 2020-03-05 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The worldwide potential of electric power generation from marine tidal currents, waves, or offshore winds is enormous. The high load factor resulting from the fluid properties and the predictable resource characteristics make tidal and wave energy resources attractive and advantageous for power generation and advantageous when compared to other renewable energies. The technologies are just beginning to reach technical and economic viability to make them potential commercial power sources in the near future. While only a few small projects currently exist, the technology is advancing rapidly and has huge potential for generating bulk power. Moreover, international treaties related to climate control and dwindling fossil fuel resources have encouraged us to harness energy sustainably from such marine renewable sources. Several demonstrative projects have been scheduled to capture tidal and wave energies. A number of these projects have now reached a relatively mature stage and are close to completion. However, very little is known to the academic world about these technologies beyond the basics of their energy conversion principles. While research emphasis is more towards hydrodynamics and turbine design, very limited activities are witnessed in power conversion interface, control, and power quality aspects. Regarding this emerging and promising area of research, this book aims to present recent results, serving to promote successful marine renewable energies integration to the grid or to standalone microgrids.

Advances in Modelling and Control of Wind and Hydrogenerators

Author : Amir Ebrahimi
Publisher : BoD – Books on Demand
ISBN 13 : 183880532X
Total Pages : 201 pages
Book Rating : 4.8/5 (388 download)

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Book Synopsis Advances in Modelling and Control of Wind and Hydrogenerators by : Amir Ebrahimi

Download or read book Advances in Modelling and Control of Wind and Hydrogenerators written by Amir Ebrahimi and published by BoD – Books on Demand. This book was released on 2020-04-01 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid deployment of wind and solar energy generation is going to result in a series of new problems with regards to the reliability of our electrical grid in terms of outages, cost, and life-time, forcing us to promptly deal with the challenging restructuring of our energy systems. Increased penetration of fluctuating renewable energy resources is a challenge for the electrical grid. Proposing solutions to deal with this problem also impacts the functionality of large generators. The power electronic generator interactions, multi-domain modelling, and reliable monitoring systems are examples of new challenges in this field. This book presents some new modelling methods and technologies for renewable energy generators including wind, ocean, and hydropower systems.