Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 98 for “"Sag"”.
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Segregation and material flow along low aspect SAG mills
… of axial segregation and flow of particles along SAG mills. Additionally, the current SAG mill models developed using "short" Australian and North American style mills exposes inaccuracies when applied to predict the performance of "long" mills. Thus the results of this study are expected to be …
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Low-Velocity Impact to High-Temperature Low-Sag Overhead Conductors
<p>High-Temperature Low-Sag (HTLS) conductors, such as Aluminum Conductor Composite Core (ACCC), improve infrastructure to support the delivery of power to meet the nation's increasing demand for electricity. Their response to low-velocity impacts during transportation, installation or in service, …
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Analyzing voltage sag direction using protective relays and deep-learning methods
… methods of identifying the direction of voltage sags in the distribution circuits. Voltage sags arise from the presence of short-circuit faults involving single, double, and three phase-to-ground conditions. The direction of the fault is based on the direction of power flow before the occurrence …
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Natural modes and impulsive motions of a horizontal shallow sag cable
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1985.
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Modeling of industrial power distribution circuits for voltage sag and fault analysis
… sensitive electrical loads during voltage sags. The study begins by discussing the modeling procedure for induction motors based on manufacturer datasheets. It then investigates and develops a 24-pulse variable frequency drive (VFD) model in EMTP. The functionality of the VFD model is …
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Evaluation of the sag properties in a dual stabilized ferritic stainless steel
… by means of a modified creep test known as the sag test, usually specifies this requirement. This requirement is attained in most cases; however, in certain instances the customer places a severe requirement on the material, which exceeds the normal capabilities of type 441 material for sag …
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Study on 6, 12 and 24 pulses D-STATCOM for voltage SAG mitigation
… problems occur at distribution system. Voltage sag is one of major problems. In the distribution system, voltage sag can occur in any point at any time. This issue always brought up for discussion by Electrical power committee all around the world. There are many causes of voltage sag such as …
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Using Machine Learning to Predict Sag and Leveling Behavior of Interior Architectural Paints
… undesirable flow defects such as paint sagging or visible brush and roller marks; these visual imperfections are associated with the sag and leveling properties of the paint. Many researchers have attempted to develop a better understanding of sag and leveling, either by drawing …
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Development of D-Statcom in hardware in the loop system for voltage SAG mitigation
… Static Compensator (D-STATCOM) for voltage sag mitigation in hardware in the loop (HIL) with phase shift control technique for maintaining the bus bar-load voltage. It is because the intermittent switching of heavy loads results in voltage sag in the distribution line. The distribution line …
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Characteristics of Tight Reservoirs in the Oligocene Huagang Formation, Xihu Sag, East China Sea Basin
The Xihu Sag in the East China Sea Basin can be divided into five structural belts. From west to east, they are western slope belt, western sub-sag, central inversion tectonic belt, eastern sub-sag and eastern fault and fold belt. The petrographical, diagenetic and petrophysical properties of the …
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Galvanic Corrosion of High-Temperature Low-Sag (HTLS) High Voltage Conductors: New Materials—New Challenges
<p>High-Temperature Low-Sag (HTLS) high voltage overhead conductors offer higher operating temperatures, reduced resistance and less sag than conventional designs. With up to twice the current capacity for the same diameter conductor, they may help ease the power shortage in the constantly …
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Research and development of a real-time measurement and evaluation system for SAG mill liner wear
Refer to the file for an Abstract
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Design of a ground-deployed sensor for detecting the sag of Overhead Transmission Lines by measurement of the magnetic field
… of an overhead transmission line (OTL) is the sag in the wires caused by thermal expansion. A sensor network that monitors the sag in real time could allow operators to run transmission lines above their designed capacity. Most commercial sensor systems deploy the sensors on the wires but …
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Tectonic Setting, Structure, and Seismic Stratigraphy of the Apalachicola Rift and its Overlying Sag Basin in the Northeastern Gulf of Mexico
… data, tied to five wells in the overlying sag basin to map these enigmatic reflectors in three dimensions to distinguish these two previous interpretations and to improve structural and stratigraphic interpretations of the syn-rift and sag phases of the AR. Mapping of a seismic grid reveals …
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Investigation of Ohmic Contacts for Gallium Nitride-Based Power Electronic Devices Using Molecular Beam Epitaxy
… and distribution of dopants while employing SAG by plasma assisted molecular beam epitaxy (PAMBE). The work specifically involved thin film growth, film characterization, device fabrication and device characterization. To develop the SAG technique and study the effect of etchants on single …
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Quantum well devices fabricated using selective area growth and their application in optical fiber communication
… the advantage of the selective area growth (SAG) approach to manufacturing integrated quantum-well lasers and modulators. SAG can be successfully achieved with two major growth techniques: metalorganic chemical vapor deposition (MOCVD) and molecular beam epitaxy (MBE). We will put more weight …
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Gewaschene Erythrozytenkonzentrate, hergestellt mit Hilfe eines neuen Verfahrens, und ihre Qualitätsbeurteilung anhand mehrerer biochemischer Parameter
… Konserven, gewaschen mit und aufgeschwemmt in SAG-M-Lösung, anhand von mehreren biochemischen Parameter beurteilt. Material und Methoden: 16 frische EK in SAG-M-Lösung wurden jeweils halbiert , eine Hälfte unbehandelt als Kontrolle mitgeführt, die andere unter Einsatz eines …
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Directed Evolution of T Cell Receptor Antagonists
… to produce increased affinity binding for SAg is described. An optimized TCR fragment (containing nine mutations) was isolated after mutagenesis and selection, and was found to have approximately 1000-fold improved affinity for SAg. A soluble form of the mutant was shown to completely and …
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Study mass transfer of Cd, Hg, As, DDT and chlordane through adsorption onto granular activated carbon
… carbon which are SIG (shell industrial grade), SAG (shell analytical grade) and BAG (bitumen analytical grade). The micropollutants (Hg, Cd, As, DDT and chlordane) were prepared using standard stock solution in deionized water. Adsorption of pollutants onto SIG, SAG, and BAG were started at …
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