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Digital power system protection, as a subject, offers the use of computers in power line relaying which is the act of automatically controlling the power system via instrumentation and control devices. This book is an attempt to make a gentle introduction to the nitty-gritty of digital relays. Written in a simple, clear and student-friendly style, this text covers basics of digital processing of analog signals for the purpose of relaying. All important basic algorithms that are used in various types of digital relays have been explained. FIR and IIR filters have been presented in such a manner that students will be able to develop intuitive understanding. The book also covers DFT and FFT and...
Presents the most relevant concepts and techniques in power system protection. This second edition offers a new chapter on circuit breakers to further strengthen the text and meet the curriculum needs of universities. It includes around 300 well-annotated figures and numerous tables.
Digital protection is based on the use of computers in power line relaying. This book gives a detailed understanding of the principles and techniques underlying the application of digital technology and algorithms to protection.
Thoroughly revised edition of this well-known text is prompted by the popularity of the previous edition among both students and practitioners. The revised edition has been endeavoured keeping the key objective of Dr Fernando Arias alive—to provide Obs & Gynae residents, fellows in Maternal–Fetal Medicine, obstetricians, general physicians and interested nurses and medical students with a source of practical information about complications of pregnancy.• Most of the chapters have been completely re-written. • A new chapter 'Impact of Advances in Genetics on Prenatal Diagnosis' has been added, which does justice to the enormous advances in the field of Prenatal Genetics in the recent ...
This book addresses a range of issues on the growth of India's services sector, including factors contributing to the rise of services, output measurement and heterogeneity, growth of services exports, and employment in services sectors.
Placenta accreta comprises a spectrum of disorders where all or part of the placenta becomes attached to the muscular wall of the uterus, which can result in life-threatening hemorrhage at the time of delivery. Previous surgical procedures (including cesarean delivery) and placenta previa are important risk factors, and the incidence is dramatically increasing. This important practical guide to how clinicians should diagnose and manage placenta accreta will be an invaluable reference for all obstetricians and maternal-fetal specialists.
In a field dominated by anecdote and folklore, this landmark study integrates more than ten years of intensive research and modern theories of business and economics. The result is a comprehensive framework for understanding entrepreneurship that provides new and penetrating insights. This clearly and concisely written book is essential for anyone who wants to start a business, for the entrepreneur or executive who wants to grow a company, and for the scholar who wants to understand this crucial economic activity.
The functioning of a power system depends significantly on efficient and reliableprotection schemes. With enhanced course coverage and refreshed pedagogy, therevised edition of Power System Protection and Switchgear discusses the contemporaryprotection system, now infused with new and innovative technology.
Many warn that the next stage of globalization--the offshoring of research and development to China and India--threatens the foundations of Western prosperity. But in The Venturesome Economy, acclaimed business and economics scholar Amar Bhidé shows how wrong the doomsayers are. Using extensive field studies on venture-capital-backed businesses to examine how technology really advances in modern economies, Bhidé explains why know-how developed abroad enhances--not diminishes--prosperity at home, and why trying to maintain the U.S. lead by subsidizing more research or training more scientists will do more harm than good. When breakthrough ideas have no borders, a nation's capacity to exploi...