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 33 for “"transmission losses"”.
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Allocation of transmission losses to determine tariff
… and be responsible for its own contribution to losses in the system. The allocation of transmission losses has become an important issue as this determines how and what to charge each of the participants in the industry. This allocation is best assessed and based on their individual …
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Estimates of crustal transmission losses using MLM array processing
… and the determination of reflection and transmission coefficients for the sea-sediment interface would probably be sufficient. However, sound energy does penetrate beneath the sea floor and is both reflected and refracted back to the water. In an active acoustical experiment, especially …
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Transmission losses cost allocation in restructed electricity market environment
… the generation companies (GENCOs), followed by transmission companies (TRANSCOs) and distribution companies (DISCOs). The competitive environment will be handling by a non-profit entity, independent system operator (ISO) that functioning as the system securities that have to make sure that the …
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Estimation of transmission losses in a changing electric power industry
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Analyzing and modelling of flow transmission processes in river-systems with a focus on semi-arid conditions
… a forecasting approach were developed for flow transmission processes in river-systems with a focus on semi-arid conditions. Three different sources of hydrological data (streamflow series, groundwater level series and multi-temporal satellite data) were combined in order to analyze the channel …
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The competitive potential of high-temperature superconductors for power transmission
… and development of these materials for power transmission cable applications. This thesis examines the competitive potential, on a cost-performance basis, of high-temperature superconductors as compared to conventional transmission lines. Toward this end, a broad survey of the literature on …
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Comparative Analysis of Wind, Solar and Landfill Gases as Alternative Sources of Energy for Electricity Generation
… reduction, better power quality, reduction in transmission losses, and several others are discussed in the document
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Multiprocessing with microprocessors for power flow analyses
… algorithm for economic dispatch with and without transmission losses is presented. The algorithm utilizes a closed form expression for the calculation of the Lagrange multiplier thereby avoiding any iterative process in the calculation. Different nonlinear programming techniques are compared to …
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Optimal scheduling of thermal generating units in electric power systems
… fast personal computers; Finally, the effect of transmission losses on the quality of the optimal scheduling and the computational time are investigated. Simulation results on 26- and 44-unit power systems are presented to illustrate the effectiveness of the proposed algorithms.
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Development of compact circular polarized antenna for WLAN application
… antennas is important in terms of decreasing transmission losses. The use of circularly polarized antennas presents an attractive solution to achieve this polarization match which allows for more flexibility in the angle between transmitting and receiving antennas, reduces the effect of …
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An Investigation of Seismic Reflectivity Spectra, Moments, and Fractal Dimensions
… is greatly affected by internal multiples and transmission losses. Reflectivity moments and spectra vary with digital sampling interval and thus do not characterize a continuous earth well. I develop a novel technique whereby moments and spectral parameters are extrapolated to zero sample rate.
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Applications of superconducting magnetic energy storage systems in power systems
… and a battery/dc link is shown. Improvement of transmission through the use of SMES. SMES when used for diurnal load leveling provides additional benefits like reduced transmission losses, reduced peak loading and more effective utilization of transmission facility, the impact of size and …
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High efficiency air delivery system for solid oxide fuel cell power generation
… loads, raise power quality, and reduce/eliminate transmission losses. One distributed energy system with distinct advantages is a Solid Oxide Fuel Cell (SOFC) integrated with an Internal Combustion Engine (ICE) which has the capability to operate at electric efficiencies as high as 70%. This …
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The Formulation of a Novel Control Framework for Regulation of an Active Low Voltage Network
… and adjust supply/demand optimally to minimize losses. A test network was developed to compare systems making use of the same MAS-generated charging scheme (for the ESS and EV) but with different modes of phase power injection, BPI (Balanced Power Injection), and OPI (Optimal Power Injection). …
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Engineering electronic and plasmonic materials for novel photonic devices
… performed on a range of samples reveal transmission losses potentially compatible with a wide range of non-linear photonic devices
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Simultaneous structural/acoustical design of composite panels
… aircraft fuselage sidewalls, they may allow more transmission of airborne noise thereby requiring heavier acoustical treatments. A sequential design approach of addressing first structural and then acoustical design does not take advantage of structural/acoustical coupling. A simultaneous approach …
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Nondestructive Detection of Hollow Heart in Potatoes Using Ultrasonics
… a power level of 0.22 W for the test of acoustic transmission through whole potato tuber in a transverse direction at different locations along the longitudinal axis with a certain interval distance. It was found that the waveform analyses in time domain for a series of transmitted signals along …
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Examination of Power Systems Solutions Considering High Voltage Direct Current Transmission
… current (AC) has dominated the production, transmission, and use of electrical energy. The chief reason for this dominance was (and continues to be) that AC offers a way minimize transmission losses yet transmit large power from generation to load. With the Digital Revolution and the …
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Peak-ratio analysis method for enhancement of LOM protection using M class PMUs
… sources, to reduce emissions and to reduce power transmission losses. In some cases, DG can be capable of supplying loads within an island and the islanded system can remain stable.;However, safety issues arise if LOM persists and, accordingly, islanded operation is not permitted in the majority …
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Ultra-thin photovoltaic technologies with nanophotonic textures for enhanced solar energy harvesting
… by means of antireflection coatings, ii) transmission losses into the substrate by means of a rear mirror, and iii) outcoupling losses by means of light-trapping textures. Simultaneous application of these strategies, within architectures possessing maximal transparency outside the active …
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