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Electrical and Mechanical Fault Diagnosis in Wind Energy Conversion Systems
Wind energy conversion systems are subject to many different types of faults and therefore fault detection is highly important to ensure reliability and safety. Monitoring systems can help to detect faults before they result in downtime. This book presents efficient methods used to detect electrical and mechanical faults based on electrical signals occurring in the different components of a wind energy conversion system. For example, in a small and high power synchronous generator and multi-phase generator, in the diode bridge rectifier, the gearbox and the sensors. This book also presents a method for keeping the frequency and voltage of the power grid within an allowable range while ensuring the continuity of power supply in the event of a grid fault. Electrical and Mechanical Fault Diagnosis in Wind Energy Conversion Systems presents original results obtained from a variety of research. It will not only be useful as a guideline for the conception of more robust wind turbines systems, but also for engineers monitoring wind turbines and researchers
Electrical Machines Diagnosis
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, spect...
Heat Exchangers
The last few decades have seen huge developments in the use of concentrated solar power plants, communications technologies (mobile telephony and 5G networks), the nuclear sector with its small modular reactors and concentrated solar power stations. These developments have called for a new generation of heat exchangers. As well as presenting conventional heat exchangers (shell-and-tube and plate heat exchangers), their design techniques and calculation algorithms, Heat Exchangers introduces new-generation compact heat exchangers, including printed circuit heat exchangers, plate-fin heat exchangers, spiral heat exchangers, cross-flow tube-fin heat exchangers, phase-change micro-exchangers, spray coolers, heat pipe heat exchangers and evaporation chambers. This new generation of heat exchangers is currently undergoing a boom, with applications in on-board equipment in aircraft, locomotives, space shuttles and mobile phones, where the volume of the equipment is one of the most important design parameters.
Smart Grids and Buildings for Energy and Societal Transition
This book presents interdisciplinary approaches to help buildings, electrical energy networks and their users contribute to the energy and societal transition. Smart Grids and Buildings for Energy and Societal Transition examines the technologies, uses and imaginaries involved in implementing smart buildings and smart grids. Production and consumption forecasts, modeling of stakeholder involvement and self-consumption within a renewable energy community exploiting blockchain technology are examples developed with a view to fostering the emergence of smart grids. The potential of smart buildings, taking into account user comfort while increasing energy efficiency, is identified. Full-scale demonstrators are used to test the proposed solutions, and to ensure that users take full advantage of the potential for electrical flexibility.
Geopolitics and Energy Transition 2
The energy sector is undergoing unprecedented change. Twenty years ago, the main concern was having enough oil and gas, whereas today, political leaders are faced with the need to reduce the CO2 emissions produced by still-dominant fossil fuels, without being able to totally rely on renewable energies, which are intermittent and whose share in energy production remains low. Geopolitics and Energy Transition 2 examines the energy sector and the state of energy transition continent by continent. North America is rich in resources, while the situation is mixed in South America. Europe advocates transition but remains dependent on imported fossil fuels. The CIS has enormous resources at its disposal and uses them as political weapons. Access to energy is a priority for Africa. Asia is faced with growing energy needs and pollution, which should accelerate energy transition. The Middle East, a champion of hydrocarbons, is launching into solar energy.
Geopolitics and Energy Transition, Volume 1
The energy sector is undergoing unprecedented change. Twenty years ago, the main concern was having enough oil and gas, whereas today, political leaders are faced with the need to reduce the CO2 emissions produced by still-dominant fossil fuels, without being able to totally rely on renewable energies, which are intermittent and whose share in energy production remains low. Geopolitics and Energy Transition 1 presents the technical aspects of energy and its main characteristics, and outlines the challenges of the energy transition, the conditions for the development of renewable energies and the geopolitical stakes of this transition. It also describes the various energy markets and the consequences of liberalization policies, not forgetting to analyze the structures of the different sectors, while pointing out the fundamental problems of supply security and ways of strengthening it.
Mechanical Energy Conversion
This book studies the principles of mechanical energy conversion used in renewable energy sources derived from air and water: wind power, tidal power, hydroelectric power, osmotic energy, ocean thermal energy and wave energy. Mechanical Energy Conversion presents twelve application exercises and their answers. They enable the reader to first understand the physical principles of mechanical energy converters and then learn the method for sizing them. The book also reinforces the concepts of fluid mechanics and hydraulic turbo machinery, which are required to solve the exercises. This book aims to instruct readers on how to design an energy system. For each renewable energy source covered – and based on the quantity of energy or power supplied – it describes the production process, explains how it works and calculates the characteristics and dimensions of its components.
Wave and Tidal Energy
Eine umfassende Publikation zu sämtlichen Aspekten der Wellen- und Gezeitenenergie. Wave and Tidal Energy gibt einen ausführlichen Überblick über die Entwicklung erneuerbarer Energie aus dem Meer, bezieht sich auf die neueste Forschung und Erfahrungen aus Anlagentests. Das Buch verfolgt zwei Ziele, zum einen vermittelt es Einsteigern in das Fachgebiet eine Überblick über die Wellen- und Gezeitenenergie, zum anderen ist es ein Referenzwerk für komplexere Studien und die Praxis. Es vermittelt Detailwissen zu wichtigen Themen wie Ressourcencharakterisierung, Technologie für Wellen- und Gezeitenanlagen, Stromversorgungssysteme, numerische und physikalische Modellierung, Umwelteffekte und...
Offshore Wind Energy Technology
A COMPREHENSIVE REFERENCE TO THE MOST RECENT ADVANCEMENTS IN OFFSHORE WIND TECHNOLOGY Offshore Wind Energy Technology offers a reference based on the research material developed by the acclaimed Norwegian Research Centre for Offshore Wind Technology (NOWITECH) and material developed by the expert authors over the last 20 years. This comprehensive text covers critical topics such as wind energy conversion systems technology, control systems, grid connection and system integration, and novel structures including bottom-fixed and floating. The text also reviews the most current operation and maintenance strategies as well as technologies and design tools for novel offshore wind energy concepts....
