This book, written for the benefit of engineering students and practicing engineers alike, is the culmination of the author's four decades of experience related to the subject of electrical measurements, comprising nearly 30 years of experimental research and more than 15 years of teaching at several engineering institutions. The unique feature of this book, apart from covering the syllabi of various universities, is the style of presentation of all important aspects and features of electrical measurements, with neatly and clearly drawn figures, diagrams and colour and b/w photos that illustrate details of instruments among other things, making the text easy to follow and comprehend. Enhancing the chapters are interspersed explanatory comments and, where necessary, footnotes to help better understanding of the chapter contents. Also, each chapter begins with a "recall" to link the subject matter with the related science or phenomenon and fundamental background. The first few chapters of the book comprise "Units, Dimensions and Standards"; "Electricity, Magnetism and Electromagnetism" and "Network Analysis". These topics form the basics of electrical measurements and provide a better understanding of the main topics discussed in later chapters. The last two chapters represent valuable assets of the book, and relate to (a) "Magnetic Measurements", describing many unique features not easily available elsewhere, a good study of which is essential for the design and development of most electric equipment – from motors to transformers and alternators, and (b) "Measurement of Non-electrical Quantities", dealing extensively with the measuring techniques of a number of variables that constitute an important requirement of engineering measurement practices. The book is supplemented by ten appendices covering various aspects dealing with the art and science of electrical measurement and of relevance to some of the topics in main chapters. Other useful features of the book include an elaborate chapter-by-chapter list of symbols, worked examples, exercises and quiz questions at the end of each chapter, and extensive authors' and subject index. This book will be of interest to all students taking courses in electrical measurements as a part of a B.Tech. in electrical engineering. Professionals in the field of electrical engineering will also find the book of use.
Microbes, including fungi, constitute an important component of biodiversity. They comprise one of the biggest kingdoms in the living world. A lot of work has been done in mycology in the past several years in India and abroad. The present book comprises a collection of 26 original research articles by eminent mycologists. This book will be very useful for researchers, teachers, and students studying mycology.
Provides detailed discussions of the most recent developments in gene mapping and manipulation to improve the diagnosis, detection, prevention, and treatment of various cardiovascular diseases--including hypertension, arrhythmias, inherited cariomyopathies, hyperlipidemia, aortic aneurysms, Marfan syndrome, and myocardial infarction. Written by nearly 50 investigators on the cutting-edge of pioneering research in the field.
This Book Is The Compilation Of The World Literature On Diseases Of Pigeonpea, An Important Pulse Crop Of The Indian Subcontinent, Africa, Australia And South America.
Energy Storage not only plays an important role in conservinq the energy but also improves the performance and reliability of a wide range of energy systems. Energy storagp. leads to saving of premium fuels and makes the system morA cost effective by reducing the wastage of energy. In most systems there is a mismatch between the energy supply and energy demand. The energy storage can even out this imbalance and thereby help in savings of capital costs. Enerqy storage is all the more important where the enerqy source is intermittent such as Solar Energy. The use of jntermittent energy sources is likely to grow. If more and more solar energy is to be used for domestic and industrial applications then energy storage is very crucial. If no storage is used in solar energy systems then the major part of the energy demand will be met by the back-up or auxiliary energy and therefore the so called annual solar load fract]on will be very low. In case of solar energy, both short term and long term energy storage systems can be used whjch can adjust the phase difference between solar energy supply and energy demand and can match seasonal demands to the solar availability respectively. Thermal energy storage can lead to capital cost savings, fuel savjngs, and fuel substitution in many application areas. Developing an optimum thermal storaqe system is as important an area of research as developinq an alternative source of energy.
This book answers the need for a practical, hands-on guide for assessing power stability in real time, rather than in offline simulations. Since the book is primarily geared toward the practical aspects of the subject, theoretical background is reduced to the strictest minimum. For the benefit of readers who may not be quite familiar with the underlying theoretical techniques, appendices describing key algorithms and theoretical issues are included at the end of the book. It is an excellent source for researchers, professionals, and advanced undergraduate and graduate students.
An encyclopaedic voluminous work gives authentic and objectives information about all the 28 states and 7Union Territories, History, Physical aspects, Population, Politics, Education, Transport and Communication, Languages and Literature, Medical Facilities, Industry, Finance Sector, Natural Wealth, Agriculture, Wild Life, Tourism, Archeological sites, Natural Calamities, Customs, Fairs and Festivals, Arts and Crafts, Rural and Urban Development, Newspapers, Important Events, NGO, Planning outlays0 in thirty-six volumes, each volume complete about a state. A benchmark.
The chief concern of this book is the role of elites and citizens as prime movers of rural development in india. Elites encompass social elites, political elites and goverment field officials in rural areas.
This book, written for the benefit of engineering students and practicing engineers alike, is the culmination of the author's four decades of experience related to the subject of electrical measurements, comprising nearly 30 years of experimental research and more than 15 years of teaching at several engineering institutions. The unique feature of this book, apart from covering the syllabi of various universities, is the style of presentation of all important aspects and features of electrical measurements, with neatly and clearly drawn figures, diagrams and colour and b/w photos that illustrate details of instruments among other things, making the text easy to follow and comprehend. Enhancing the chapters are interspersed explanatory comments and, where necessary, footnotes to help better understanding of the chapter contents. Also, each chapter begins with a "recall" to link the subject matter with the related science or phenomenon and fundamental background. The first few chapters of the book comprise "Units, Dimensions and Standards"; "Electricity, Magnetism and Electromagnetism" and "Network Analysis". These topics form the basics of electrical measurements and provide a better understanding of the main topics discussed in later chapters. The last two chapters represent valuable assets of the book, and relate to (a) "Magnetic Measurements", describing many unique features not easily available elsewhere, a good study of which is essential for the design and development of most electric equipment – from motors to transformers and alternators, and (b) "Measurement of Non-electrical Quantities", dealing extensively with the measuring techniques of a number of variables that constitute an important requirement of engineering measurement practices. The book is supplemented by ten appendices covering various aspects dealing with the art and science of electrical measurement and of relevance to some of the topics in main chapters. Other useful features of the book include an elaborate chapter-by-chapter list of symbols, worked examples, exercises and quiz questions at the end of each chapter, and extensive authors' and subject index. This book will be of interest to all students taking courses in electrical measurements as a part of a B.Tech. in electrical engineering. Professionals in the field of electrical engineering will also find the book of use.
About the Book: It is necessary that a subject like physics is studied, learnt and taught with full comprehension of the various topics of the subject, understanding their numerous facets not only humans but also plants and functions of even bodies all around. This may require not only studying just “theoretical: aspect of physics, but learning these in practice by, for example, conducting relevant experiments where possible. When viewed in this respect, most physics books at school level, including the ones published as “text books”, fail to do full justice to the requirements of learning and teaching physics in class rooms. Many a books are obtained to ‘cover’ the prescribed syllabus under any of the well known streams such as ICSE, CBSE, SSC etc. with too cluttered contents and a horde of solved examples and exercises numbering into dozens at the end of a given chapter which make the students pore over for hours at end with the sole purpose of doing well in the board exams, obtaining marks in nineties, without fully mastering the topics. The present book whilst doing away with many drawbacks as above, has been written by describing all relevant topics of physics at high-school and board level in perspective, relating the topics to their importance in daily life, whilst conforming to various syllabi on physics and enlarging the scope where necessary. The book is structured especially for those students and teachers who have innovative mindset and who would really like to learn physics conceptually, not just to pass board exams with good ‘grades’. The book is enriched with a good number of solved numerical problems with clear step-by-step solution of each and numerous exercises at the end chapter, most question having been derived from the ICSE board exams over the past ten years or so. Contents: 1. Force, Work, Power and Energy 2. Light 3. Sound 4. Electricity and Magnetism 5. Heat 6. Modern Physics
This write-up is a near-chronological record of my experiences and memories during my employment at BHEL, Corporate Research and Development Division at Hyderabad from the date of joining, 15 May 1974, to the day of premature retirement on 24 October 1999 – a span of just about a quarter of a century. Whilst describing the (main) events of my 25 years’ stint at BHEL (Bharat Heavy Electricals Limited), comprising the various ups and downs, undoubtably memorable all through, making it a unique experience to have been associated in the capacity of a front-line research engineer with the country’s only ‘electrical’ industry of international repute, manufacturing all kinds of electric-power equipment, once again of worldclass quality, absolutely essential for generation,transmission and distribution of electrical energy and its utilisation by the industry, matching almost 100% demand of the utility – and this beginning within a decade from the time of India’s independence, the narrative brings out the kinds of experience a researcher, or more specifically a research engineer even with a PH D might face in a country like India. I have taken all care to pen down my remembrances as objectively as possible and as I experienced at various stages. However, as can be expected, the memories from nearly 50 years’ past may not keep pace with one’s mind and thought process going back and yet maintain the links. Naturally, there might be instances of ‘slipups’ on my part in terms of dates and details, esp. related to the persons who crossed my path during the decades. For all such ‘omissions’ and ‘errors’ I bear full responsibility with due apologies. For the completion of the record that began nearly two years ago, I acknowledge with sincere thanks all the help from all quarters that came my way.
This book describes in detail the construction and working principle of a variety of commercially available hysteresis machines. The last part of the book is devoted to a comprehensive study of an experimental hysteresis machine. The contents of this part derive entirely from the experimental and analytical work carried out by the author during his doctoral research at the University of Aston in the UK. The exhaustive range of tests and measurements, obtained by the use of uniquely devised transducers and techniques—many of these having been evolved for the first time—showcase numerous aspects of a hysteresis machine. These relate mainly to the measured waveforms of radial and peripheral flux density in the airgap and active part of the rotor as influenced by the hysteretic properties of the rotor material. Print edition not for sale in South Asia (India, Sri Lanka, Nepal, Bangladesh, Pakistan or Bhutan).
Energy Storage not only plays an important role in conservinq the energy but also improves the performance and reliability of a wide range of energy systems. Energy storagp. leads to saving of premium fuels and makes the system morA cost effective by reducing the wastage of energy. In most systems there is a mismatch between the energy supply and energy demand. The energy storage can even out this imbalance and thereby help in savings of capital costs. Enerqy storage is all the more important where the enerqy source is intermittent such as Solar Energy. The use of jntermittent energy sources is likely to grow. If more and more solar energy is to be used for domestic and industrial applications then energy storage is very crucial. If no storage is used in solar energy systems then the major part of the energy demand will be met by the back-up or auxiliary energy and therefore the so called annual solar load fract]on will be very low. In case of solar energy, both short term and long term energy storage systems can be used whjch can adjust the phase difference between solar energy supply and energy demand and can match seasonal demands to the solar availability respectively. Thermal energy storage can lead to capital cost savings, fuel savjngs, and fuel substitution in many application areas. Developing an optimum thermal storaqe system is as important an area of research as developinq an alternative source of energy.
Energy Storage not only plays an important role in conservinq the energy but also improves the performance and reliability of a wide range of energy systems. Energy storagp. leads to saving of premium fuels and makes the system morA cost effective by reducing the wastage of energy. In most systems there is a mismatch between the energy supply and energy demand. The energy storage can even out this imbalance and thereby help in savings of capital costs. Enerqy storage is all the more important where the enerqy source is intermittent such as Solar Energy. The use of jntermittent energy sources is likely to grow. If more and more solar energy is to be used for domestic and industrial applications then energy storage is very crucial. If no storage is used in solar energy systems then the major part of the energy demand will be met by the back-up or auxiliary energy and therefore the so called annual solar load fract]on will be very low. In case of solar energy, both short term and long term energy storage systems can be used whjch can adjust the phase difference between solar energy supply and energy demand and can match seasonal demands to the solar availability respectively. Thermal energy storage can lead to capital cost savings, fuel savjngs, and fuel substitution in many application areas. Developing an optimum thermal storaqe system is as important an area of research as developinq an alternative source of energy.
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