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Glow starters have a relatively short life, and light fittings enable the starter to be changed easily. Electronic starters, being interchangeable and using the same casing as a glow starter, last for many years. The glow switch starter was invented by E. C. Dench in 1938. [1]
Large penetration of the inverter-based resources (IBRs) reduces the short circuit level: a typical synchronous generator can deliver a significant overcurrent, 2-5 [7] p.u., for a relatively long time (minutes), while the component limitations of the IBRs result in overcurrent limits of less than 2 [7] p.u. (usually 1.1-1.2 p.u.). [4]
Conditional short-circuit current is the value of the alternating current component of a prospective current, which a switch without integral short-circuit protection, but protected by a suitable short circuit protective device (SCPD) in series, can withstand for the operating time of the current under specified test conditions.
During the first part of January investors usually get inundated with predictions from market mavens, 2013 is turning out to be no different. Nuveen's Bob Doll has issued his ten predictions for 2013.
A prediction of reliability is an important element in the process of selecting equipment for use by telecommunications service providers and other buyers of electronic equipment, and it is essential during the design stage of engineering systems life cycle. [1] Reliability is a measure of the frequency of equipment failures as a function of time.
The 2024 presidential election blew up everyone’s expectations.Donald Trump’s transformation from national pariah to winning every swing state and the popular vote came as a surprise to many ...
The Huffington Post crunched the stats on every Oscar nominee of the past 30 years to produce a scientific metric for predicting the winners at the 2013 Academy Awards. Follow the Oscars with live updates here.
Shannon's thesis became the foundation of practical digital circuit design when it became widely known among the electrical engineering community during and after World War II. At the time, the methods employed to design logic circuits (for example, contemporary Konrad Zuse 's Z1 ) were ad hoc in nature and lacked the theoretical discipline ...