Also called energy scavenging, energy harvesting captures, stores, and uses "clean" energy sources by employing interfaces, storage devices, and other units. Unlike conventional electric power generation systems, renewable energy harvesting does not use fossil fuels and the generation units can be decentralized, thereby significantly reducing transmission and distribution losses. But advanced technical methods must be developed to increase the efficiency of devices in harvesting energy from environmentally friendly, "green" resources and converting them into electrical energy.
Recognizing this need, Energy Harvesting: Solar, Wind, and Ocean Energy Conversion Systems describes various energy harvesting technologies, different topologies, and many types of power electronic interfaces for stand-alone utilization or grid connection of energy harvesting applications. Along with providing all the necessary concepts and theoretical background, the authors develop simulation models throughout the text to build a practical understanding of system analysis and modeling.
With a focus on solar energy, the first chapter discusses the I−V characteristics of photovoltaic (PV) systems, PV models and equivalent circuits, sun tracking systems, maximum power point tracking systems, shading effects, and power electronic interfaces for grid-connected and stand-alone PV systems. It also presents sizing criteria for applications and modern solar energy applications, including residential, vehicular, naval, and space applications. The next chapter reviews different types of wind turbines and electrical machines as well as various power electronic interfaces. After explaining the energy generation technologies, optimal operation principles, and possible utilization techniques of ocean tidal energy harvesting, the book explores near- and offshore approaches for harvesting the kinetic and potential energy of ocean waves. It also describes the required absorber, turbine, and generator types, along with the power electronic interfaces for grid connection and commercialized ocean wave energy conversion applications. The final chapter deals with closed, open, and hybrid-cycle ocean thermal energy conversion systems.
Table of Contents
Solar Energy Harvesting
I–V Characteristics of Photovoltaic (PV) Systems
PV Models and Equivalent Circuits
Sun Tracking Systems
Shading Effects on PV Cells
Power Electronic Interfaces for PV Systems
Sizing the PV Panel and Battery Pack for Stand-Alone PV Applications
Modern Solar Energy Applications
Wind Energy Harvesting
History of Wind Energy Harvesting
Fundamentals of Wind Energy Harvesting
Wind Turbine Systems
Different Electrical Machines in Wind Turbines
Wind Harvesting Research and Development
Tidal Energy Harvesting
Categories of Tidal Power and Corresponding Generation Technology
Turbine and Generator’s Control
Tidal Energy Conversion Systems
Grid Connection Interfaces for Tidal Energy Harvesting Applications
Ocean Wave Energy Harvesting
Introduction to Ocean Wave Energy Harvesting
The Power of Ocean Waves
Wave Energy Harvesting Technologies
Wave Energy Applications
Wave Energy in Future
Ocean Thermal Energy Harvesting
Classification of Ocean Thermal Energy Conversions (OTECs)
Technical Obstacles of Closed-Cycle OTEC Systems
Components of an OTEC System
Control of an OTEC Power Plant
Control of a Steam Turbine
Multipurpose Utilization of OTEC Systems
Impact on Environment
A Summary and References appear at the end of each chapter.
Alireza Khaligh is the director of the Energy Harvesting and Renewable Energies Laboratory (EHREL) at the Electric Power and Power Electronics Center (EPPEC) in the electrical and computer engineering department at the Illinois Institute of Technology.
Omer C. Onar is a doctoral research assistant in the Energy Harvesting and Renewable Energies Laboratory (EHREL) at the Electric Power and Power Electronics Center (EPPEC) in the electrical and computer engineering department at the Illinois Institute of Technology.