A Vision for the Physical Sciences Directorate at Oak Ridge National Laboratory.
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SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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A presentation by Jill Engel-Cox at the 'Workshop on the role of the renewable and hydrocarbon nexus in accelerating the energy transition' hosted by IEA Gas and Oil Technology Programme in Brussels, Belgium, October 11-12, 2018.
Superconducting Nb cavities are of utmost importance to largescale accelerators; in particular, maintaining high Q factors at high accelerating gradients is necessary for efficient acceleration. When Nb cavities cool down, they are prone to forming Nb-H compounds, which increases surface resistance, hence decreasing the quality factor and the usable acceleration gradient.
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A blueprint to achieve NE's mission of advancing nuclear energy science and technology to meet U.S. energy, environmental, and economic needs.
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Virtual tour of the Water Security Test Bed, a joint INL & EPA test bed.
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Adaptive relaying utilizes the continuously changing status of the power system as the basis for online adjustment of the power system relay settings. Fundamentally they are protection schemes that adjust settings and/or logic of operations based on the prevailing conditions of the system. These adjustments can include, but are not limited to, the logging of data for post-mortem analysis, communication throughout the system, as well as changing relay parameters. Adaptive relaying considers the fact that the status of a power system can change. These include system configuration changes, load effect, cold load pickup, end-of-line protection, transformer protection, and automatic reclosing. In this research, the author focus on the need for a secure, selective, and reliable system for adaptive overcurrent protection in T&D and Distributed Energy Systems. Various types of adaptive methods are presented and explained along with some pros and cons of each.