Elektroteknik

Transportation electrification, particularly using electric vehicles (EV), has been widely suggested to mitigate global warming and energy security issues due to their economic and environmental benefits. Environmentalists are advertising EV use, and governments are implementing financial incentives to expedite the transition from conventional vehicles to electric ones to achieve energy security and climate change mitigation goals. At the same time, EVs are becoming more affordable as their battery prices decrease. It has been predicted that EV sales will soon surpass gasoline and diesel vehicle sales. Therefore, EVs will be one of the significant electricity customers in the future. This fact hints that the uncontrolled charging and discharging of large numbers of EVs can put power systems at risk. Hence, optimal planning and operation of EVs is not only necessary but beneficial. This collection covers recent research advancements in the planning and operation of EVs in smart grids. Aglobal group of researchers and scholars present innovative approaches while covering the theoretical and experimental aspects.

The book is devoted to the solution of one general problem of the theory of a three-dimensional quasi-stationary sinusoidal and pulse electromagnetic field. These studies, unlike many well-known works, are based on obtained exact analytical solution of the problem for the field, generated by external current sources near the conducting body with plane surface. The solution for the vector and scalar potentials, electric and magnetic intensities in the dielectric and conducting media is found without restrictions on the configuration of current sources,properties of the media and field frequency. Some general properties of field formation for arbitrary field in the considered system are obtained (in particular, full compensation by the field of the electric charge distributed on the interface between the media, the normal component of the induced external electric field and, accordingly, the equality to zero the components both of the current density and the electric field intensity perpendicular to the interface; the non-uniform electromagnetic field decreases in depth of conducting medium faster than uniform field). It is shown that the exact analytical solution depends on the values of the parameter proportional to the ratio of the field penetration depth to the distance between the external field sources and the body. The concept of strong skin effect is extended to the case of small value of the introduced parameter. A significant simplification of theexpressions was obtained as an asymptotic expansion on this small parameter. In the case of pulsed fields approximate method gives the highest accuracy during important initial period of pulse time. For asymptotic expansion the approximate impedance boundary condition is generalized to the diffusion of non-uniform field into conducting medium. The book is intended for the researchers, postgraduate students and students specialized in theory and calculations of electromagnetic fields.

This book is a state-of-the-art review on recent advances in flow cells for electrochemical energy systems. The book includes an introduction to flow cells, proton exchange membrane fuel cells, photocatalytic fuel cells, organic flow batteries, redox flow batteries, microfluidic flow cells, as well as electrolysis cells for CO2 and nitrogen reduction. The book provides an essential reference for professors, researchers, and policymakers globally in academia, industry, and government.

The most recent edition to the best-selling wiring manual, Ultimate Guide: Wiring, Updated 10th Edition explains home wiring and residential electrical systems in easy-to-understand terms for any DIYer or homeowner. Learn how to work with electric wiring and repair, replace, and install typical electrical-system elements. This most recent edition has been updated with the latest information on everything from recent code standards and smart home automation to renewable energy, LED wafer lighting, dimmer switches, new indoor and outdoor emergency systems, and more.

Written by former NASA engineer Dr David Baker, this highly-visual hardback guide provides a rich overview of electrical and mechanical engineering, perfect for students and enthusiasts alike. Covering Newtonian mechanics, nuclear engineering, artificial intelligence, 3D printing and more, this essential guide brings clarity to complex ideas. Inside you will discover the history of this far-reaching subject as well as the new developments and challenges of the future. The accessible text is accompanied by helpful diagrams, photographs, further reading, and easily digestible features, making getting to grips with the subject as easy as possible. By the time you finish reading this book, you will be able to answer questions such as: - How do materials affect function?- What is reliability?- How did we get to the Moon?> ABOUT THE SERIES: Knowledge 101 brings together highly visual, hardback introductions to many intriguing disciplines, featuring reader-friendly text, spectacular images, and informative diagrams to make the learning experience easier than ever.