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 “"electric generation"”.
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A comparison of thermal storage models with a solar electric generation system using Trnsys
… storages for analysis with use in a solar electric generating system (SEGS) simulation. One component containing a fully mixed, stratified and a plug flow tank model has been developed such that the inputs and parameter specifications are similar so that all three models could be easily …
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Incorporating operational flexibility into electric generation planning : impacts and methods for system design and policy analysis
… demonstrates how flexibility in hourly electricity operations can impact long-term planning and analysis for future power systems, particularly those with substantial variable renewables (e.g., wind) or strict carbon policies. Operational flexibility describes a power system's ability to …
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Effect of plug in hybrid electric vehicle adoption on gas tax revenue, local pollution, and greenhouse gas emissions
<p>Plug-in hybrid electric vehicles (PHEV) are likely to increase in popularity in the near future. However, the environmental benefits of PHEVs involve tradeoffs between the benefits of reduced tailpipe emissions against the drawbacks of increased emissions at marginal electric generation plants …
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An Ethnographic Study of Employee Absences: The Impact of Uncertainty, Negotiation and the Employment Relationship
… study of employee absences in a coal-fired electric generation plant located in the mid-west. An anthropological perspective and methodology was employed for the purpose of "getting close" to the daily rhythms of organizational life in order to develop a new perspective on why employees do …
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GAS TURBINE CONVERSION FROM LIQUID TO GASEOUS FUEL
… emerging technologies and a growing reliance on electrical systems, the DOD and DON recognize that energy production, procurement, and usage must be further optimized and secured. This study aims to support research toward a portable and affordable electric generation system capable of supplying …
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Variability in output and reliability of broadly distributed wind farms and solar arrays as a function of the system scale
… by the current difficulties faced by the electric power industry in maintaining acceptable levels of electric grid reliability in broadly distributed wind and solar resources. This thesis presents a study on the geographic diversification of wind turbines and solar arrays to minimize the …
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Traction and Launch Control for a Rear-Wheel-Drive Parallel-Series Plug-In Hybrid Electric Vehicle
… the future of automobiles leading into the all-electric generation of vehicles. Electric vehicles come with a great increase in torque at lower RPM resulting in the issue of transferring this torque to the ground effectively. In this thesis, a method is presented for limiting wheel slip and …
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DEEP REINFORCEMENT LEARNING FOR BUILDING ENERGY MANAGEMENT
… a continuous state-action space with stochastic electric generation. To this end, two main steps are carried out in this thesis. First, the PPO algorithm is trained on a ten-state building environment without stochastic generation. A Rule-Based Controller is defined and serves as a benchmark to …
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Investment in nuclear generation in a restricted electricity market : an analysis of risks and financing options
Since the late 1970s, the US electric power industry has been undergoing major changes. The electric utility industry had mainly consisted of highly regulated, vertically integrated, local monopolies, providing customers with all electric services at rates determined by the state regulatory agency. …
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Simulation of Coal Gasification Process Inside a Two-Stage Gasifier
… gas (syngas) which can be used as fuel for electric generation or chemical building block for petrochemical industries. This study performs detailed simulations of coal gasification process inside a generic two-stage entrained-flow gasifier to produce syngas carbon monoxide and hydrogen. The …
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Integración ambiental en los proyectos eólicos marinos en España: propuesta metodológica
… it can be highlighted tha Spanish wind and electric companies ara very active promoting, researching and exploting offshore wind plants in other countries while in Spain no energy company has request authorization to erect an electric generation facility within the territorial sea. Other …
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Electricity Generation Location and Benefits to Human Health: What health benefits can be attributed to RGGI in New Jersey, New York, and Pennsylvania?
… program. Further, it examines the patterns of electric generation to evaluate changes at regional and state levels, to better understand the potential of CO2 leakage, which is CO2 being emitted from generation that has moved from a regulated to a non-regulated state, and thus weakening the …
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Effect of thermal stress on larvae of Patiria miniata (Brandt) including studies on induction of spawning, development and larval tagging
… be used in removal of waste heat produced in electric generation. This will involve subjecting tremendous quantities of plankton to rapid fluctuations in temperature. The biological effect of such treatment on primary productivity and composition of zooplankton populations is not fully …
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The Water/Energy Nexus: Climate, Consumption and Ecosystem Services
… the well-watered north-east and the arid west. Electric grid systems are most stressed on hot summer afternoons. Grid stress can lead to cascading failures of electricity, water and wastewater treatment systems. (Zimmerman, 2017) Water for power generation and/or water supply depend on ecosystem …
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Estudio de prefactibilidad para la instalación de una planta generadora de electricidad de 120 MW por medio de concentradores solares cilíndricos parabólicos
Propose a viable project of electric generation with solar cylindrical parabolic concentrators. The government is promoting the development of Renewable Energy Resources (RER) by favorable legislation. It is looking to give clean energies, more importance in the energetic matrix. Since the year …
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Economic efficiencies of the energy flows from the primary resource suppliers to the electric load centers
<p>The economic efficiency of the electric energy system depends not only on the performance of the electric generation and transmission subsystems, but also on the ability to produce and transport the various forms of primary energy, particularly coal and natural gas. However, electric power …
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The California energy crisis and cogeneration investment opportunities for office landlords
… by an energy crisis. An inadequate supply of electricity has not been able to keep up with the growing demand. Vital transmission lines are operating at or near capacity. The installation of cogeneration systems into office buildings can play an important role in the overall solution. …
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High-density multilevel power converters for use in renewable and transportation applications
… as inverters driving low-inductance high-density electric machines. Much of the prior work on the FCML converter has focused on various aspects of converter control. However, the demonstration of the power density and efficiency benefits of the topology have often been masked by the use of …
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Sistemas de generación eléctrica mediante calderas de vapor energizadas por radiación solar concentrada
… para la producción a gran escala de electricidad. A día de hoy el desarrollo de energías renovables se ha visto recompensado con un importante éxito en el campo de la energía eólica, donde se ha encontrado un sistema, el molino de tres palas, que se ha impuesto frente al resto de …
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A water and greenhouse gas inventory for hygroscopic and conventional evaporative building-scale cooling systems
… gas emissions (GHG) were quantified for direct electricity consumption and the energy associated with water and wastewater conveyance and treatment using power plant and cooling system data, municipal water treatment data for California, and fuel-type emissions factors. Water usage was estimated …