An Introduction to Electric Energy Third Edition by Mohamed A. El-Sharkawi
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An Introduction to Electric Energy Third Edition by Mohamed A. El-Sharkawi


The first course on electric energy in engineering schools is traditionally taught as an energy conversion course. This was justified during most of the last century, as power was the main topic of electrical engineering. Nowadays, the field includes a number of new specializations such as digital systems, computer engineering, communications, imaging, and networks. With the field being so widespread, energy conversion turned into a topic for students specializing only in power.

Consequently, a large number of schools have decided to move their energy conversion courses from the core curricula to the elective curricula. Other schools with limited resources have dropped the energy conversion courses altogether. In recent years, renewed interest in electric energy has emerged due to several important reasons.

Among them are the ongoing search for renewable energy and smart grid, the societal impact of blackouts, the environmental impact of generating electricity, and the lack of knowledge by most electrical engineers in fundamental subjects such as electric safety and power plants. In addition, the new ABET criteria in the United States encourages the development of curricula that underline broad education in engineering, contemporary engineering, and the impact of engineering solutions in a global and societal context.

All these requirements can be met by restructuring the introductory electric energy course and making it relevant to all electrical engineering and most mechanical engineering students. This is the main objective of this textbook. The book is authored to assist schools that wish to establish a course with a wider view of electric energy while maintaining high levels of depth. Most of the topics in this book are related to issues encountered daily and, therefore, should be of great interest to all engineering students.

The majority of the chapters in the book are structured to be stand-alone topics; instructors can thus pick and choose the chapters they want to teach. They can also select the sequence in which they prefer to teach the chapters. Most of the examples in the book are from real systems and with real data to make the course relevant to all students. Among the topics covered in this third edition are energy resources, renewable energy, power plants and their environmental impacts, electric safety, power quality, power market, blackouts, and future power systems.

In addition, the topics of electromechanical conversion, transformers, power electronics, and three-phase systems are included in the book to address the needs of some schools for teaching these important topics. However, these traditional topics have been made more relevant to students. For example, the section on electric motors includes linear and levitated motors as well as stepper motors.

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