The Path-Breakers


Book Description

We seem to notice only to types of success. Those achieved by people who have attained demi-God status and others from the West, who we blindly try to emulate. How many times do we look at people, close home, who are much like us! People living a life like one we live, with dreams like the ones we have, facing challenges like the ones we do. These people no different from us, are yet, far ahead of us. They have lived a life, which although very similar, is quite different from ours. This book is a collection of real life stories of some extraordinary achievers. They come from all walks of life, from every corner of India, cutting across all age groups. They dared to defy the trend and refused to join the rat race. They have moved away and walked ahead. They have path-breakers. Their life and work should serve as an assurance and source of motivation to those who desire to follow their instinct and take the road less travelled.







Women in European Academies


Book Description

The volume examines the lives and achievements of women who played determining roles in the history of European academies and in the development of modern science in Europe. These persevering personalities either had a key influence in the establishment of academies ("Patronae Scientiarum") or were pioneering scientists who made major contributions to the progress of science ("path-breakers"). In both cases, their stories provide unique testimonies on the scientific institutions of their time and the systemic barriers female scientists were facing. Conceptualized as a transversal series of biographical portraits, the contributions focus particularly on each personalities’ role in (or relation to) European academies, ensuring both a geographical and disciplinary balance. The co-editors of the volume are Professor Ute Frevert (Co-Director at the Max Planck Institute for Human Development), Professor Ernst Osterkamp (President of the Deutsche Akademie für Sprache und Dichtung) and Professor Günter Stock (former ALLEA President).







Three-Phase Electrical Power


Book Description

Three-Phase Electrical Power addresses all aspects of three-phase power circuits. The book treats the transmission of electrical power from the common sources where it is generated to locations where it is consumed. At typical facilities where electrical power is used, the book covers the important topics of grounding, currents, power, demand, metering, circuit protection, motors, motor protection, power factor correction, tariffs, electrical drawings, and relays. Included in the text are the necessary methods of computing currents and power in all possible types of circuit applications as those that are balanced, unbalanced, leading, lagging, three-wire, and four-wire. Focusing on electrical gear, programs, and issues related to the generation and use of three-phase electrical power, this contemporary educational guide: Uses simple, straightforward language to explain key concepts and their underlying theory Introduces numerous examples, illustrations, and photographs to aid in comprehension Employs phasor concepts throughout the text to aid in the analysis of three-phase circuits Encourages applied learning by supplying practical problems at the end of each chapter Provides extensive references and a glossary of symbols, acronyms, and equations Three-Phase Electrical Power delivers a much-needed modern-day treatment of three-phase electrical power for electrical engineering students and practitioners alike.










Switching Arc Phenomena in Transmission Voltage Level Vacuum Circuit Breakers


Book Description

Vacuum circuit breakers are widely used in distribution power systems for their advantages such as maintenance free and eco-friendly. Nowadays, most circuit breakers used at transmission voltage level are SF6 circuit breakers, but the SF6 they emit is one of the six greenhouse gases defined in Kyoto Protocol. Therefore, the development of transmission voltage level vacuum circuit breaker can help the environment. The switching arc phenomena in transmission voltage level vacuum circuit breakers are key issues to explore. This book focuses on the high-current vacuum arcs phenomena at transmission voltage level, especially on the anode spot phenomena, which significantly influence the success or failure of the short circuit current interruption. Then, it addresses the dielectric recovery property in current interruption. Next it explains how to determine the closing/opening displacement curve of transmission voltage level vacuum circuit breakers based on the vacuum arc phenomena. After that, it explains how to determine key design parameters for vacuum interrupters and vacuum circuit breakers at transmission voltage level. At the end, the most challenging issue for vacuum circuit breakers, capacitive switching in vacuum, is addressed. The contents of this book will benefit researchers and engineers in the field of power engineering, especially in the field of power circuit breakers and power switching technology.




Management of Hazardous Energy


Book Description

Hazardous energy present in systems, machines, and equipment has injured, maimed, and killed many workers. One serious injury can stop the growth of your business in its tracks. Management of Hazardous Energy: Deactivation, De-Energization, Isolation, and Lockout provides the practical tools needed to assess hazardous energy in equipment, machines, and systems, and covers how to manage hazardous energy through elimination or control in order to ensure worker safety and regulatory compliance. Written in plain English with a minimum of jargon, this book provides safety professionals with the knowledge they need to interact with specialists, designers, and engineers to ensure that appropriate and necessary protocols and safety practices and tools are put into place for assessing the dangers and steps taken to eliminate or control exposure to hazardous energy when needed. Approaching the subject from the bottom up, the author starts at the workplace level, to ensure that the right actions happen for the right reasons. The book explains a protocol for describing the flow of energy, including transformation and/or storage; for capturing the logic of decisions about control, including failure analysis and contingency planning; and ultimately for creating procedures that are technically sound and defensible. Creating simple procedures for ensuring worker safety and regulatory compliance, the book offers US and international strategies for hazardous energy management and contains examples to illustrate the application of concepts to specific areas.




Electric Railway Journal


Book Description