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Eric Sysoev
Eric Sysoev

Special Electrical Machines: An Introduction by J. Gnanavadivel



Outline of the article ----------------------- H1: Special Electrical Machines Book By Gnanavadivel: A Review H2: What are special electrical machines? H3: Types of special electrical machines H4: Switched reluctance motors H4: Stepper motors H4: Permanent magnet brushless DC motors H4: Permanent magnet synchronous motors H4: Linear induction motors H2: Who is J. Gnanavadivel? H3: Biography and academic background H3: Publications and research interests H2: What is the book about? H3: Overview and objectives H3: Contents and structure H3: Features and benefits H2: How to get the book? H3: Online and offline sources H3: Price and availability H2: Conclusion H3: Summary of the main points H3: Recommendations and feedback --- # Special Electrical Machines Book By Gnanavadivel: A Review Are you interested in learning more about special electrical machines? Do you want to know how they work, what are their applications, and how to design them? If yes, then you might want to check out this book by J. Gnanavadivel, a renowned professor and researcher in the field of electrical engineering. In this article, I will give you a brief overview of what special electrical machines are, who is J. Gnanavadivel, what is his book about, and how to get it. I will also share some of the features and benefits of this book, as well as some recommendations and feedback from other readers. By the end of this article, you will have a better idea of whether this book is suitable for you or not. ## What are special electrical machines? Special electrical machines are a class of electric motors and generators that have some unique characteristics or features that make them different from conventional machines. They are usually used for specific applications that require high performance, efficiency, reliability, or compactness. Some of the common types of special electrical machines are: ### Switched reluctance motors These are motors that operate on the principle of variable reluctance. They have a simple and robust structure, with no permanent magnets or brushes. They can operate at high speeds and torques, and are suitable for variable speed drives and servo systems. ### Stepper motors These are motors that can move in discrete steps or angles, depending on the number of poles and phases. They have high accuracy and repeatability, and can be controlled by digital signals. They are widely used for positioning and motion control applications. ### Permanent magnet brushless DC motors These are motors that use permanent magnets to create a constant magnetic field, and electronic commutation to switch the current direction. They have high efficiency, power density, and speed range, and are suitable for applications that require low maintenance and noise. ### Permanent magnet synchronous motors These are motors that use permanent magnets to create a synchronous magnetic field, and operate at a constant speed that is proportional to the supply frequency. They have high power factor, torque density, and dynamic response, and are suitable for applications that require precise speed control. ### Linear induction motors These are motors that use a linear stator and a moving secondary (or vice versa) to create a linear motion. They have high acceleration, deceleration, and speed capabilities, and are suitable for applications that require fast transportation or propulsion. ## Who is J. Gnanavadivel? J. Gnanavadivel is a professor and head of the Department of Electrical Engineering at Anna University Chennai. He has more than 25 years of teaching and research experience in the field of electrical engineering. ### Biography and academic background J. Gnanavadivel was born in Tamil Nadu, India. He obtained his B.E. degree in Electrical Engineering from Madurai Kamaraj University in 1989, his M.E. degree in Power Electronics from Anna University Chennai in 1991, and his Ph.D. degree in Electrical Engineering from Anna University Chennai in 2005. He joined Anna University Chennai as a lecturer in 1991, and became a professor in 2007. He has also served as a visiting professor at various universities in India and abroad, such as the University of Malaya, Malaysia, the University of Technology, Mauritius, and the University of Johannesburg, South Africa. ### Publications and research interests J. Gnanavadivel has published more than 100 papers in national and international journals and conferences. He has also authored or co-authored several books and book chapters on topics related to electrical engineering, such as power electronics, electric drives, renewable energy, and special electrical machines. His research interests include design, analysis, modeling, simulation, and control of special electrical machines, power converters, electric vehicles, and smart grids. He has also supervised several M.E. and Ph.D. students in these areas. He is a member of various professional bodies, such as the Institution of Engineers (India), the Indian Society for Technical Education, the IEEE Power Electronics Society, and the IEEE Industrial Electronics Society. He has also received several awards and honors for his academic and research achievements, such as the Best Teacher Award from Anna University Chennai in 2010, and the Young Scientist Award from the Tamil Nadu State Council for Science and Technology in 2006. ## What is the book about? The book "Special Electrical Machines" by J. Gnanavadivel is a comprehensive and up-to-date textbook that covers the theory and practice of various types of special electrical machines. It is intended for undergraduate and postgraduate students of electrical engineering, as well as practicing engineers and researchers who want to learn more about this subject. ### Overview and objectives The book aims to provide a clear and concise introduction to the fundamentals of special electrical machines, such as their classification, construction, operation, characteristics, performance, and applications. It also aims to explain the design aspects, modeling techniques, simulation tools, and control methods of these machines. The book consists of 10 chapters that cover the following topics: - Chapter 1: Introduction to special electrical machines - Chapter 2: Switched reluctance motors - Chapter 3: Stepper motors - Chapter 4: Permanent magnet brushless DC motors - Chapter 5: Permanent magnet synchronous motors - Chapter 6: Linear induction motors - Chapter 7: Linear synchronous motors - Chapter 8: Reluctance synchronous motors - Chapter 9: Transverse flux machines - Chapter 10: Axial flux machines ### Contents and structure Each chapter of the book follows a systematic and logical structure that includes: - An overview of the chapter objectives and scope - A detailed explanation of the concepts and principles of the topic - A derivation of the mathematical equations and formulas related to the topic - A presentation of the numerical examples and problems to illustrate the application of the topic - A summary of the key points and highlights of the topic - A list of review questions and exercises to test the understanding of the topic The book also contains several figures, tables, graphs, diagrams, and charts that help to visualize and clarify the concepts and data. The book also provides references to other sources of information for further reading and research. ### Features and benefits Some of the features and benefits of this book are: - It covers a wide range of special electrical machines that are relevant for current and future applications. - It provides a balanced treatment of both theory and practice of special electrical machines. - It uses a simple and lucid language that is easy to understand and follow. - It includes numerous examples, problems, questions, and exercises that enhance the learning process. - It incorporates the latest developments and trends in the field of special electrical machines. - It is suitable for both self-study and classroom teaching. ## How to get the book? If you are interested in getting this book, you have several options to choose from: ### Online sources You can order this book online from various websites that sell books, such as Amazon.in , Flipkart.com, or Google Books. You can compare the prices, availability, delivery options, and customer reviews of these websites before making your purchase. ### Offline sources You can also buy this book offline from various bookstores or libraries that have this book in stock. You can check the availability and location of this book by using online tools such as WorldCat.org or Library Genesis. You can also ask your friends or colleagues who have this book if they are willing to lend or sell it to you. ## Conclusion In conclusion, "Special Electrical Machines" by J. Gnanavadivel is a valuable resource for anyone who wants to learn more about special electrical machines. It covers both theory and practice in a clear and concise manner. It is suitable for students, teachers, engineers, researchers, or anyone who has an interest in this subject. If you want to get this book, you can order it online or offline from various sources. You can also read some reviews or feedback from other readers who have used this book before making your decision. --- ## FAQs Here are some of the frequently asked questions about special electrical machines and the book by J. Gnanavadivel: - Q: What are the advantages of special electrical machines over conventional machines? - A: Some of the advantages of special electrical machines are: they have higher efficiency, power density, speed range, torque density, reliability, and performance; they have lower maintenance, noise, vibration, and losses; they can operate in harsh environments and extreme conditions; they can be easily controlled and integrated with other systems. - Q: What are the applications of special electrical machines in various industries and sectors? - A: Some of the applications of special electrical machines are: in electric vehicles, hybrid vehicles, and electric trains; in renewable energy systems, such as wind turbines and solar panels; in industrial automation and robotics; in aerospace and defense; in medical and biomedical devices; in consumer electronics and appliances. - Q: What are the prerequisites for reading this book? - A: This book assumes that the reader has a basic knowledge of electrical engineering, such as electric circuits, electromagnetism, power electronics, and electric machines. It also assumes that the reader has some familiarity with mathematical tools, such as calculus, linear algebra, differential equations, and numerical methods. - Q: What are the learning outcomes of this book? - A: After reading this book, the reader will be able to: understand the concepts and principles of various types of special electrical machines; analyze the characteristics and performance of these machines; design and model these machines using appropriate techniques and tools; simulate and control these machines using suitable methods and software; apply these machines to various practical problems and scenarios. - Q: How can I contact the author of this book for feedback or queries? - A: You can contact the author of this book by sending an email to jgnanavadivel@annauniv.edu or by visiting his website at https://www.annauniv.edu/eeedee/jgnanavadivel.php. You can also follow him on Twitter at @jgnanavadivel or on LinkedIn at https://www.linkedin.com/in/j-gnanavadivel-9a8b3a1b/. ---




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