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This newly revised and updated reference presents sensible approaches to the design, selection, and usage of high-voltage circuit breakers-highlighting compliance issues concerning new and aging equipment to the evolving standards set forth by the American National Standards Institute and the International Electrotechnical Commission. This edition features the latest advances in mechanical and dielectric design and application from a simplified qualitative perspective. High Voltage Circuit Breakers: Design and Applications features new material on contact resistance, insulating film coatings, and fretting; temperature at the point of contact; short-time heating of copper; erosion and electromagnetic forces on contacts; closing speed and circuit breaker requirements; "weld" break and contact bounce; factors influencing dielectric strength; air, SF6, vacuum, and solid insulation; and dielectric loss and partial discharges, and includes updated chapters on capacitance switching; switching series and shunt reactors; temporary overvoltages; and the benefits of condition monitoring.
Concepcion Chapa, an Army veteran, FBI special agent, and the orphaned daughter of two CIA agents, has lived a life of sacrifice for her country. When she learns that her parents may not be dead, just undercover, she allows herself to be recruited as a killer-for-hire for the CIA. Faking her death and undergoing surgery to change her looks, Concepcion leaves everything behind-her friends, family, and country. Under the identity of Sofia Paltrini, she travels the globe doing the dirty work of the US government. But in a world of subterfuge and hidden motives, no one is quite who they seem. Concepcion is left not knowing who to trust and wondering if there's a way to live a life for herself that's beyond sacrifice.
When fifty-six-year-old Jessica Gabriel finds herself heartbroken and single after failed marriage number two, her adult kids convince her to explore online dating. Her journey is full of tears, laughter, and an astonishing amount of sex.
A single dramatic software failure can cost a company millions of dollars - but can be avoided with simple changes to design and architecture. This new edition of the best-selling industry standard shows you how to create systems that run longer, with fewer failures, and recover better when bad things happen. New coverage includes DevOps, microservices, and cloud-native architecture. Stability antipatterns have grown to include systemic problems in large-scale systems. This is a must-have pragmatic guide to engineering for production systems. If you're a software developer, and you don't want to get alerts every night for the rest of your life, help is here. With a combination of case studie...
Covering the choice, attachment, and testing of contact materials, Electrical Contacts introduces a thorough discussion on making electric contact and contact interface conduction, presents a general outline of, and measurement techniques for, important corrosion mechanisms, discusses the results of contact wear when plug-in connections are made and broken, investigates the effect of thin noble metal plating on electronic connections, relates crucial considerations for making high- and low-power contact joints, details arcing effects on contacts including contact erosion, welding, and contamination, and contains nearly 2800 references, tables, equations, drawings, and photographs.
Through the eyes of flawed men, Jeff Richards explores childhood, parenthood, love, life, and toxic masculinity.
This is NOT your father's home repair book! And it's not your husband's, your brother's, your boyfriend's, or the guy's next door. Dare to Repair is a do-it-herself book for every woman who would rather be self-reliant than rely on a super or contractor. No matter the depth of your pockets or the size of your home, a toilet will get clogged, a circuit breaker will trip, and a smoke detector will stop working. It's up to you how you'll deal with them -- live in denial, pay the piper, or get real and do it yourself. Dare to Repair demystifies these home repairs by providing information that other books leave out. In Dare to Repair, you'll learn how to: Take the plunge -- from fixing a leaky fa...