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 20 for “"Electrical transmission"”.
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Weather effect considerations in reliability evaluation of electrical transmission and distribution systems
… created by weather increase the failure rates of transmission or distribution lines operating in adverse weather conditions, resulting in increased coincident failures of multiple circuits. Exceptionally severe weather can cause immense system damages and significantly impact the reliability …
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Reliability analysis of smart electrical transmission system and reliability modeling through dynamic flowgraph methodology
… (DFM) to reliability modeling of Smart Electrical Transmission System. The reason behind this is the successful operation of electric power under a deregulated electricity market depends on transmission system reliability management. Besides this, analog electro-mechanical systems in …
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Control Applications and Economic Evaluations of Distributed Series Reactors in Unbalanced Electrical Transmission Systems
… need to analyse and determine the adequacy of transmission capacity. There is a need for approaches to increase transmission system capacity without construction of new transmission facilities, all while assuring secure operation of the grid. New technologies can enhance efficiency and …
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Survey of Reproduction of the Southeastern American Kestrel (Falco Sparverius Paulus) in Electrical Transmission Towers in South-Central Georgia
… breeding in the hollow cross-arms of the 230 kV electrical transmission towers between the Offerman substation in the east, to Plant Mitchell (Putney), in the west, in south-central Georgia. This subspecies of the kestrel has declined in the southeastern United States by more than 80% over the …
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Mathematical modeling of foetal arterial blood flow
… vascular compartments, cascaded together using electrical transmission line analogies.
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Introducing statistical and machine learning-based methods of enhancing the resiliency and security of electrical-based critical infrastructure
… research has been performed to improve electrical-based technology’s capability, scale, resiliency, and security. This study focuses solely on resiliency and security, both of which require efficient data collection, storage, and processing. In the case of the resiliency of high-voltage …
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Plug-In Hybrid Electric Vehicle Impacts on a Central California Residential Distribution Circuit
… challenges to the existing infrastructure of the electrical transmission and distribution system. PHEV battery charging can represent a significant power demand that has the potential to overload electrical distribution components. This study examines the impacts of PHEV charging on household …
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Optimal structure of US power transmission system for targeted investments
… development and deregulation of the U.S. Electrical Power Industry and its impact on the structure of Transmission System. The results of introducing competition in generation and creating wholesale market for electricity are evaluated. The problems in the U.S. Electrical Transmission …
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Determinants of Wind Energy Deployment: Infrastructures, Policies, Resources, or Economics?
… models. The results indicate that demand, electrical transmission availability, and complementary generation assets, as well as the import-export of electricity are important factors in determining where wind energy deployment occurs. In addition, elevated levels of wind energy deployment …
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Simulation of haddad surge arrester model on a 132kV overhead transmission line for back flashover analysis using Alternative Transient Program (ATP)
Lightning is a major problem in a transmission line system. Lightning which occurs around the world will give a huge effect on electrical transmission system and also on distribution system division. Lightning-strike commonly generated in two different ways. One of the ways is direct strike to a …
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Non-fluorine precursor solutions for high critical current density REBa₂Cu₃O₇₋x̳ films
… cables for use in applications such as electrical transmission lines, propulsion systems, and mobile power generation systems. This work describes the development of a non-fluorine precursor solution for YBCO films with high critical current densities (Jc). An aqueous nitrate precursor …
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Brachiating power line inspection robot: controller design and implementation
The prevalence of electrical transmission networks has led to an increase in productivity and prosperity. In 2014, estimates showed that the global electric power transmission network consisted of 5.5 million circuit kilometres (Ckm) of high-voltage transmission lines with a combined capacity of 17 …
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Techno-economic analysis of green ammonia production using offshore wind farms
… are considered for the energy distribution: i) transmission of gaseous hydrogen via pipeline, ii) transmission of liquid ammonia via pipeline, iii) bunkering of ammonia, iv) transmission of electricity via high-voltage direct current cable. Two types of electrolysis technology are considered: …
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Seismic Behavior of concrete filled steel Tubular Built-up columns
… buildings, bridge pier and pillar, and electrical transmission tower. However, the research is mainly focused on static performance, seldom research has been reported on the dynamic behavior of CFST built-up columns. The present research investigates the seismic behavior of CFST built-up …
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Design of a thermal control system for an IC test-in-tray handler
… conductivity to uniformly heat or cool the electrical test contactors fastened to the plate - an approach much different than conventional methods. Initial testing has shown the site-to-site temperature variation of a 32-contactor plate to be ± 20C at 100 oC. The compactness of the thermal …
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On Thermal Aging Prevention in Polymer Core Composite Conductor Rods
… the demand for new technologies to transmit electrical power in greater quantities and with reliable, safe, and more efficient methods. One recent innovation is to replace the standard Aluminum Conductor Steel Reinforced electrical transmission conductor with a new conductor design that …
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Investigation into the acupuncture and meridian system
… found to be frequency dependent. An equivalent transmission line model is suggested. The presence of minute electrical currents also suggests that there is magnetic field along the meridian and therefore the inclusion of series inductance is appropriate. This has already been confirmed by SQUID …
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Guidelines for designing the overhead transmission tower foundations adjacent to cohesionless slopes
Foundations supporting electrical transmission line towers are subjected to oblique loading due to tower own weight along with wind loading. Due to land limitation and linear alignment of transmission lines, many power transmission towers are situated in sand near sloping grounds and proper …
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Micro-photovoltaic materials and systems for solar energy harvesting and light management
… in excess of 500 GW. Restrictions on land use, electrical transmission and distribution losses, and grid discontinuities, however, suggest solar energy harvesting benefits from a balanced approach to expansion of both remote (i.e., solar farm) PV and on-site form factors. Transparent PV (TPV) …
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Reproductive Success of Southeastern American Kestrels (Falco Sparverius Paulus) Nesting in 230Kv Transmission Towers and Alternative Nest Structures in South-Central Georgia
… of the state in the hollow cross-arms of a 230kV transmission line extending from the Offerman substation (Pierce County) in the east, to Plant Mitchell (Putney, Dougherty County, GA) in the west. Current data show this kestrel population remains stable in spite of high electromagnetic fields. Of …