Contribution au diagnostic des systèmes de conversion électrique

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Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (973 download)

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Book Synopsis Contribution au diagnostic des systèmes de conversion électrique by : Hiba Al-Sheikh

Download or read book Contribution au diagnostic des systèmes de conversion électrique written by Hiba Al-Sheikh and published by . This book was released on 2015 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les progrès récents dans l'électronique de puissance ont joué un rôle majeur dans l'évolution de véhicules électriques hybrides. Aujourd'hui, les convertisseurs statiques sont largement utilisés dans les véhicules hybrides pour convertir l'alimentation à différents niveaux afin de contrôler le véhicule aux différents points de fonctionnement souhaités. Avec cette utilisation croissante des convertisseurs statiques dans les véhicules hybrides modernes augmente le besoin de méthodes efficaces de surveillance et de diagnostic de panne pour assurer la fiabilité, la sécurité et la disponibilité du groupe motopropulseur électrique automobile. Ainsi, cette thèse contribue au diagnostic de défauts des systèmes de convertisseurs de puissance. L'objectif est d’élaborer une stratégie de diagnostic approprié avec application à un convertisseur DC / DC à l’interface d'un système de stockage d'énergie hybride, batterie / supercondensateur, et la chaîne de traction électrique dans un véhicule électrique hybride. En premier temps, une approche de diagnostic de défauts capteurs par un banc de filtres de Kalman pour un système à commutations a été proposée. Pour la détection, un test GLR avec un seuillage utilisant les courbes ROC visant à diminuer la probabilité de fausses alarmes et augmenter la probabilité de bonne détection est proposé. En deuxième temps, les mesures existantes ont été aussi utilisées dans un schéma de traitement du signal sans modèle pour détecter et identifier les défauts de semiconducteurs de puissance du convertisseur utilisé. Enfin, les approches proposées ont été testées sur un prototype réalisé du convertisseur étudié.

Hybridization, Diagnostic and Prognostic of PEM Fuel Cells

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Publisher : John Wiley & Sons
ISBN 13 : 1119563445
Total Pages : 190 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Hybridization, Diagnostic and Prognostic of PEM Fuel Cells by : Samir Jemei

Download or read book Hybridization, Diagnostic and Prognostic of PEM Fuel Cells written by Samir Jemei and published by John Wiley & Sons. This book was released on 2018-10-22 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen is the most abundant element in the universe. It has a place in the energy mix of the future, especially regarding fuel cells (FCs). This book is an investigation into FCs. Prominence is given to the subject of PEMFCs (proton exchange membrane fuel cells) as they offer interesting perspectives on transport and stationary applications. This being said, a number of technological and scientific obstacles remain to be overcome before an industrial level of development can be reached.

Contribution à l'étude de systèmes d'un conversion d'énergie non linéaire et de leur impact sur le (re)dimensionnement des machines électriques

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (119 download)

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Book Synopsis Contribution à l'étude de systèmes d'un conversion d'énergie non linéaire et de leur impact sur le (re)dimensionnement des machines électriques by : Simon Morel

Download or read book Contribution à l'étude de systèmes d'un conversion d'énergie non linéaire et de leur impact sur le (re)dimensionnement des machines électriques written by Simon Morel and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans un contexte d'électrification massive de nos modes de vie (Transports, Industrie, activités tertiaires), des structures de conversion d'énergie toujours plus performantes ( en terme de sobriété, d'efficacité ou ayant un moindre impact sur l'environnement) sont recherchées. Limitées par l'accès et l'utilisation de matériaux rares ou polluants mais également par leurs coûts de mise en œuvre, nos technologies ont été constamment améliorées et optimisées depuis un siècle mais atteignent aujourd'hui une asymptote. De nouvelles technologies en rupture présentent un moyen de faire des bonds significatifs dans cette évolution mais demandent à être découvertes, analysées, modélisées, vérifiées et mises en valeur par les laboratoires de recherche pour être intégrées par le monde industriel. Cette thèse porte sur l'étude, la modélisation et le dimensionnement d'un système innovant et original associant une électronique de puissance non-linéaire et une machine électrique. Cette technologie, encore très peu étudiée aujourd'hui, offre de nouveaux degrés de liberté dans la conception de la chaine de conversion électromécanique pour la génération d'électricité ou la motorisation par exemple.Ce travail ambitionne donc de proposer une lecture claire du fonctionnement non linéaire de la chaine de conversion proposée et d'en comprendre les bénéfices mais aussi les limites et les coûts. Par non-linéaire, on entend ici que ces systèmes sont capables de modifier la topologie profonde ou fondamentale du circuit ou système dans lequel ils sont mis en œuvre et sont capables d'agir sur la dynamique des tensions et courants. Ils peuvent ainsi agir sur la gestion de l'énergie réactive, le facteur de puissance mais aussi sur les niveaux de tensions et courants et par extension de la puissance active et d'en garantir le contrôle.Le travail synthétisé dans ce manuscrit permet dans un premier temps de recenser les rares exemples adoptant cette philosophie et d'en jeter les bases, permettant à différentes topologies inédites d'y être identifiées. Dans un second volet, une méthodologie de modélisation en phase d'esquisse du système entier est présentée et testée permettant de mener des simulations et des dimensionnements. Fort de cette méthode, un troisième volet conceptuel porte sur son application aux machines électriques et démontre les nouveaux compromis et nouvelles performances possibles, comme l'augmentation sensible des performances mécaniques ou la réduction du volume d'aimant nécessaire. Enfin, un dernier volet expérimental permet de vérifier en pratique les différents résultats théoriques grâce à la mise en place d'un banc d'essai à échelle industrielle.

Contribution au diagnostic de défauts des composants de puissance dans un convertisseur statique associé à une machine asynchrone - exploitation des signaux électriques -

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ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (872 download)

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Book Synopsis Contribution au diagnostic de défauts des composants de puissance dans un convertisseur statique associé à une machine asynchrone - exploitation des signaux électriques - by : Mohamed Trabelsi

Download or read book Contribution au diagnostic de défauts des composants de puissance dans un convertisseur statique associé à une machine asynchrone - exploitation des signaux électriques - written by Mohamed Trabelsi and published by . This book was released on 2012 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les travaux développés durant cette thèse concernent la détection et l'identification des défauts simples et multiples d'ouverture des transistors dans un convertisseur statique associé à une machine asynchrone. Pour aborder cette problématique, nous avons commencé par l'analyse des potentialités, des faiblesses et des incertitudes des techniques qui ont initiés notre démarche. Ensuite, nous avons présenté deux méthodologies permettant d'analyser les performances du moteur asynchrone en présence des défauts dans une ou plusieurs cellules de commutation. Cette étude préliminaire nous a permis ainsi de proposer deux nouvelles stratégies de diagnostic sans référence basées sur l'approche signal. Les signaux électriques (courants ou tensions) disponibles à la sortie du convertisseur statique sont utilisés pour alimenter le processus de diagnostic. La première stratégie retenue est basée sur l'analyse qualitative des tensions de sortie entre phases du convertisseur et des signaux de commande appliqués aux transistors pendant les instants de commutation. Grâce à une représentation instantanée de ces grandeurs, à l'échelle de la période de découpage, nous avons pu mettre en évidence des caractéristiques favorables à la détection des défauts simples et multiples d'ouverture des transistors. L'implémentation pratique de cette première approche a été réalisée au moyen d'une technologie analogique permettant ainsi de minimiser le temps de retard à la détection jusqu'à quelques dizaines de microsecondes.

Electrochemical Components

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Publisher : John Wiley & Sons
ISBN 13 : 1118576926
Total Pages : 251 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Electrochemical Components by : Marie-Cécile Pera

Download or read book Electrochemical Components written by Marie-Cécile Pera and published by John Wiley & Sons. This book was released on 2013-08-02 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the methods of storage commonly used in hybrid systems. After an introductory chapter reviewing the basics of electrochemistry, Chapter 2 is given over to the storage of electricity in the form of hydrogen. Once hydrogen has been made, we have to be able to convert it back into electricity on demand. This can be done with another energy converter: a fuel cell, the subject of Chapter 3. Such a system is unable to deliver significant dynamics in terms of storage and release of electricity and needs to be supplemented with another solution: a detailed study of supercapacitors is provided in Chapter 4.While the storage systems touched upon in the previous three chapters (hydrogen batteries and supercapacitors) both exhibit advantageous characteristics, at present they are still relatively costly. Thus, the days of the electrochemical accumulator by no means appear to be numbered just yet. This will therefore be the topic of Chapter 5. Finally, on the basis of the elements laid down in the previous chapters, Chapter 6 will focus on electrical hybridization of these storage systems, with a view to enhancing the performance (in terms of energy, lifetime, cost, etc.) of the newly formed system. Aimed at an audience of researchers, industrialists, academics, teachers and students, many exercises, along with corrected solutions, are provided throughout the book. Contents 1. Basic Concepts of Electrochemistry used in Electrical Engineering. 2. Water Electrolyzers. 3. Fuel Cells. 4. Electrical Energy Storage by Supercapacitors. 5. Electrochemical Accumulators. 6. Hybrid Electrical System. About the Authors Marie-Cécile Péra is a Full Professor at the University of Franche-Comte in France and Deputy Director of the FEMTO-ST Institute (CNRS). Her research activities include modeling, control and diagnosis of electric power generation systems (fuel cells – PEMFC and SOFC, supercapacities, batteries) for transportation and stationary applications. She has contributed to more than 180 articles in international journals and conferences. Daniel Hissel is Full Professor at the University of Franche-Comte in France and Director of the Fuel Cell Lab Research Federation (CNRS). He also leads a research team devoted to hybrid electrical systems in the FEMTO-ST Institute (CNRS). He has published more than 250 research papers on modeling, control, diagnostics and prognostics of hybrid electrical systems. Hamid Gualous is Full Professor at the University of Caen Lower Normandy in France and director of the LUSAC laboratory. His current research interests include power electronics, electric energy storage, power and energy systems and energy management. Christophe Turpin is Full Researcher at the CNRS (French National Center for Scientific Research). He is responsible for hydrogen activities within the Laboratory LAPLACE, Toulouse, France. His research activities include the characterization and modeling of fuel cells and electrolyzers, the state of health of these components, and their hybridization with other electrochemical components (ultracapacitors, batteries) within optimized energy systems for stationary and aeronautical applications.

Modeling of Turbomachines for Control and Diagnostic Applications

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Publisher : BoD – Books on Demand
ISBN 13 : 1789846501
Total Pages : 114 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Modeling of Turbomachines for Control and Diagnostic Applications by : Igor Loboda

Download or read book Modeling of Turbomachines for Control and Diagnostic Applications written by Igor Loboda and published by BoD – Books on Demand. This book was released on 2020-05-27 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new studies in the area of turbomachine mathematical modeling with a focus on models applied to developing engine control and diagnostic systems. The book contains one introductory and four main chapters. The introductory chapter describes the area of modeling of gas and wind turbines and shows the demand for further improvement of the models. The first three main chapters offer particular improvements in gas turbine modeling. First, a novel methodology for the modeling of engine starting is presented. Second, a thorough theoretical comparative analysis is performed for the models of engine internal gas capacities, and practical recommendations are given on model applications, in particular for engine control purposes. Third, multiple algorithms for calculating important unmeasured parameters for engine diagnostics are proposed and compared. It is proven that the best algorithms allow accurate prognosis of engine remaining lifetime.The field of wind turbine modeling is presented in the last main chapter. It introduces a general-purpose model that describes both aerodynamic and electric parts of a wind power plant. Such a detailed physics-based model will help with the development of more accurate control and diagnostic systems.In this way, this book includes four new studies in the area of gas and wind turbine modeling. These studies will be interesting and useful for specialists in turbine engine control and diagnostics.

Electrical Machines Diagnosis

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Publisher : John Wiley & Sons
ISBN 13 : 1118601750
Total Pages : 268 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Electrical Machines Diagnosis by : Jean-Claude Trigeassou

Download or read book Electrical Machines Diagnosis written by Jean-Claude Trigeassou and published by John Wiley & Sons. This book was released on 2013-02-07 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring and diagnosis of electrical machine faults is a scientific and economic issue which is motivated by objectives for reliability and serviceability in electrical drives. This book provides a survey of the techniques used to detect the faults occurring in electrical drives: electrical, thermal and mechanical faults of the electrical machine, faults of the static converter and faults of the energy storage unit. Diagnosis of faults occurring in electrical drives is an essential part of a global monitoring system used to improve reliability and serviceability. This diagnosis is performed with a large variety of techniques: parameter estimation, state observation, Kalman filtering, spectral analysis, neural networks, fuzzy logic, artificial intelligence, etc. Particular emphasis in this book is put on the modeling of the electrical machine in faulty situations. Electrical Machines Diagnosis presents original results obtained mainly by French researchers in different domains. It will be useful as a guideline for the conception of more robust electrical machines and indeed for engineers who have to monitor and maintain electrical drives. As the monitoring and diagnosis of electrical machines is still an open domain, this book will also be very useful to researchers.

ICREEC 2019

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Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

Fault Detection and Diagnosis in Industrial Systems

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Publisher : Springer Science & Business Media
ISBN 13 : 1447103475
Total Pages : 281 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Fault Detection and Diagnosis in Industrial Systems by : L.H. Chiang

Download or read book Fault Detection and Diagnosis in Industrial Systems written by L.H. Chiang and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early and accurate fault detection and diagnosis for modern chemical plants can minimize downtime, increase the safety of plant operations, and reduce manufacturing costs. This book presents the theoretical background and practical techniques for data-driven process monitoring. It demonstrates the application of all the data-driven process monitoring techniques to the Tennessee Eastman plant simulator, and looks at the strengths and weaknesses of each approach in detail. A plant simulator and problems allow readers to apply process monitoring techniques.

Neural Networks

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Publisher : Springer Science & Business Media
ISBN 13 : 3540288473
Total Pages : 509 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Neural Networks by : Gérard Dreyfus

Download or read book Neural Networks written by Gérard Dreyfus and published by Springer Science & Business Media. This book was released on 2005-11-25 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neural networks represent a powerful data processing technique that has reached maturity and broad application. When clearly understood and appropriately used, they are a mandatory component in the toolbox of any engineer who wants make the best use of the available data, in order to build models, make predictions, mine data, recognize shapes or signals, etc. Ranging from theoretical foundations to real-life applications, this book is intended to provide engineers and researchers with clear methodologies for taking advantage of neural networks in industrial, financial or banking applications, many instances of which are presented in the book. For the benefit of readers wishing to gain deeper knowledge of the topics, the book features appendices that provide theoretical details for greater insight, and algorithmic details for efficient programming and implementation. The chapters have been written by experts and edited to present a coherent and comprehensive, yet not redundant, practically oriented introduction.

Wind Power in Power Systems

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Publisher : John Wiley & Sons
ISBN 13 : 111994208X
Total Pages : 1132 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Wind Power in Power Systems by : Thomas Ackermann

Download or read book Wind Power in Power Systems written by Thomas Ackermann and published by John Wiley & Sons. This book was released on 2012-04-23 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of the highly acclaimed Wind Power in Power Systems has been thoroughly revised and expanded to reflect the latest challenges associated with increasing wind power penetration levels. Since its first release, practical experiences with high wind power penetration levels have significantly increased. This book presents an overview of the lessons learned in integrating wind power into power systems and provides an outlook of the relevant issues and solutions to allow even higher wind power penetration levels. This includes the development of standard wind turbine simulation models. This extensive update has 23 brand new chapters in cutting-edge areas including offshore wind farms and storage options, performance validation and certification for grid codes, and the provision of reactive power and voltage control from wind power plants. Key features: Offers an international perspective on integrating a high penetration of wind power into the power system, from basic network interconnection to industry deregulation; Outlines the methodology and results of European and North American large-scale grid integration studies; Extensive practical experience from wind power and power system experts and transmission systems operators in Germany, Denmark, Spain, UK, Ireland, USA, China and New Zealand; Presents various wind turbine designs from the electrical perspective and models for their simulation, and discusses industry standards and world-wide grid codes, along with power quality issues; Considers concepts to increase penetration of wind power in power systems, from wind turbine, power plant and power system redesign to smart grid and storage solutions. Carefully edited for a highly coherent structure, this work remains an essential reference for power system engineers, transmission and distribution network operator and planner, wind turbine designers, wind project developers and wind energy consultants dealing with the integration of wind power into the distribution or transmission network. Up-to-date and comprehensive, it is also useful for graduate students, researchers, regulation authorities, and policy makers who work in the area of wind power and need to understand the relevant power system integration issues.

Energy Storage

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Publisher : CRC Press
ISBN 13 : 1351621920
Total Pages : 351 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Energy Storage by : Alfred Rufer

Download or read book Energy Storage written by Alfred Rufer and published by CRC Press. This book was released on 2017-10-31 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will provide the technical community with an overview of the development of new solutions and products that address key topics, including electric/hybrid vehicles, ultrafast battery charging, smart grids, renewable energy (e.g., solar and wind), peak shaving, and reduction of energy consumption. The needs for storage discussed are within the context of changes between the centralized power generation of today and the distributed utility of tomorrow, including the integration of renewable energy sources. Throughout the book, methods for quantitative and qualitative comparison of energy storage means are presented through their energy capacity as well as through their power capability for different applications. The definitions and symbols for energy density and power density are given and relate to the volume and weight of a given system or component. A relatively underdeveloped concept that is crucial to this text is known as the theory of Ragone plots. This theory makes possible the evaluation of the real amount of energy that can possibly release out of a given system, with respect to the level of power dependency chosen for the discharge process. From systems using electrochemical transformations, to classical battery energy storage elements and so-called flow batteries, to fuel cells and hydrogen storage, this book further investigates storage systems based on physical principles (e.g., gravitational potential forces, air compression, and rotational kinetic energy). This text also examines purely electrical systems such as superconductive magnets and capacitors. Another subject of analysis is the presentation of power electronic circuits and architectures that are needed for continuously controllable power flow to and from different storage means. For all systems described, the elementary principles of operation are given as well as the relationships for the quantified storage of energy. Finally, Energy Storage: Systems and Components contains multiple international case studies and a rich set of exercises that serve both students and practicing engineers.

Mathematical Models for the Design of Electrical Machines

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Publisher : MDPI
ISBN 13 : 3036503986
Total Pages : 252 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Mathematical Models for the Design of Electrical Machines by : Frédéric Dubas

Download or read book Mathematical Models for the Design of Electrical Machines written by Frédéric Dubas and published by MDPI. This book was released on 2021-03-15 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive set of articles reflecting the latest advances and developments in mathematical modeling and the design of electrical machines for different applications. The main models discussed are based on the: i) Maxwell–Fourier method (i.e., the formal resolution of Maxwell’s equations by using the separation of variables method and the Fourier’s series in 2-D or 3-D with a quasi-Cartesian or polar coordinate system); ii) electrical, thermal and magnetic equivalent circuit; iii) hybrid model. In these different papers, the numerical method and the experimental tests have been used as comparisons or validations.

Solar Photovoltaic System Applications

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Publisher : Springer
ISBN 13 : 3319146637
Total Pages : 191 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Solar Photovoltaic System Applications by : Parimita Mohanty

Download or read book Solar Photovoltaic System Applications written by Parimita Mohanty and published by Springer. This book was released on 2015-10-30 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting a complete guide for the planning, design and implementation of solar PV systems for off-grid applications, this book features analysis based on the authors’ own laboratory testing as well as their in the field experiences. Incorporating the latest developments in smart-digital and control technologies into the design criteria of the PV system, this book will also focus on how to integrate newer smart design approaches and techniques for improving the efficiency, reliability and flexibility of the entire system. The design and implementation of India’s first-of its-kind Smart Mini-Grid system (SMG) at TERI premises, which involves the integration of multiple renewable energy resources (including solar PV) through smart controllers for managing the load intelligently and effectively is presented as a key case study. Maximizing reader insights into the performance of different components of solar PV systems under different operating conditions, the book will be of interest to graduate students, researchers, PV designers, planners, and practitioners working in the area of solar PV design, implementation and assessment.

Government reports annual index

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Publisher :
ISBN 13 :
Total Pages : 1016 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Government reports annual index by :

Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Water Quality and Fish Health

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Publisher : Food & Agriculture Org.
ISBN 13 : 9789251034378
Total Pages : 80 pages
Book Rating : 4.0/5 (343 download)

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Book Synopsis Water Quality and Fish Health by : Zdeňka Svobodová

Download or read book Water Quality and Fish Health written by Zdeňka Svobodová and published by Food & Agriculture Org.. This book was released on 1993 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Facts on File Dictionary of Botany

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Publisher : Infobase Publishing
ISBN 13 : 1438109377
Total Pages : 256 pages
Book Rating : 4.4/5 (381 download)

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Book Synopsis The Facts on File Dictionary of Botany by : Jill Bailey

Download or read book The Facts on File Dictionary of Botany written by Jill Bailey and published by Infobase Publishing. This book was released on 2014-05-14 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dictionary containing over 2,000 terms and concepts related to botany.