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.
Results
Showing 1 to 20 of 58 for “"hybrid power"”.
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Hybrid Power-Energy Electrodes
L'abstract è presente nell'allegato / the abstract is in the attachment
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Hybrid power-system architecture for micro-grid
… part-loaded conditions. This thesis looks at a hybrid power-system architecture that can boost fuel economy through coordinated variable-speed operation of both prime-movers and drive loads. The propulsion plant of an electric ship serves as an example of a micro-grid with a focus on efficiency …
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Mobile Hybrid Power System Theory of Operation
Efficiency is a driving constraint for electrical power systems as global energy demands are ever increasing. Followed by the introduction of diesel generators, electricity has become available in more locations than ever. However, operating a diesel generator on its own is not the most energy …
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Remote control and monitoring of a hybrid power system
… Africa is developing a need for grid-independent power systems. Many options exist already in the form of diesel generators, solar panels and wind generators. This project is to do with marrying the various sources of power with efficient and intelligent control. Specifically, the terms of …
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Integrating the curriculum using a small-scale hybrid power train
The project, a bench-scale hybrid electric powertrain system, is designed, analyzed and fabricated by students in six modules, starting in their sophomore year and culminating in their final semester as seniors. This complex project has been selected in order to integrate the core mechanical …
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Design and implementation of a 500 kVAr hybrid power factor
… project was to design, build and test a 500 kVA-hybrid power factor/current unbalance correction unit. The unit will be used to reduce the maximum demand and reactive power consumption through power factor correction of large electricity users as well as minimize power disruption and improve …
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Dual-temperature Kalina cycle for geothermal-solar hybrid power systems
This thesis analyzes the thermodynamics of a power system coupling two renewable heat sources: low-temperature geothermal and a high-temperature solar. The process, referred to as a dual-temperature geothermal-solar Kalina hybrid cycle, is analyzed in detail and then compared to appropriate …
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Modeling and Analysis of Grid-Connected Solar-Wind Hybrid Power System
1 PDF file (86 pages)
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Offshore hybrid power plants with wind energy, photovoltaic and energy storage
Large centralized conventional power plants, although robust and reliable, have numerous disadvantages. The use of distributed generation has increased to fulfill the growing energy demand, and to reduce the distance between generation and consumption. Consequently, hybrid energy systems that …
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A design method for specifying power sources for hybrid power systems
… reducing emissions and costs, is the adoption of hybrid power systems. This thesis investigates the motives behind seeking alternate energy sources and discusses the future need to move away from fossil fuels and the likely role hybrid power systems will play in the future. A general outline of a …
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Quantifying the performance of the Kim AC/DC Hybrid Power Flow Model
… one proposed modeling methodology, the Kim Hybrid Power Flow Model, looking to quantify its accuracy as compared to the two most common steady-state power flow modeling techniques. For the analysis, a 37-bus system was selected as the common modeling platform in order to facilitate …
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Modelling and macroeconomic analysis of a Solar PV/diesel hybrid power plant
… and temperature and more. Following from this, a hybrid power system is developed under these circumstances and the information is compared with past research. A very informative discussion is then had as to what the model means on a macroeconomic scale and how it performs technically. The …
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The design and evaluation of a small size wind-solar hybrid power system
1 PDF file (xi, 94 pages)
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Optimisation of feedwater heaters and geothermal preheater in fossil-geothermal hybrid power plant
… a feedwater heater and geothermal preheater in a power plant that makes use of both renewable and non-renewable energy resources, where renewable energy (geothermal energy) is used to boost the power output in an environmentally sustainable way. Henceforth, a simplified model of a Rankine cycle …
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Technology transfer as invention and innovation : a case study on hybrid power supplies
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, and Sloan School of Management, 1991.
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An average modeling approach of hybrid power systems for use in mobile refrigeration applications
This thesis presents averaging-based models of hybrid electric power systems for refrigeration units in delivery trucks. The background of the mobile refrigeration industry is stated, and the motivation of the proposed hybrid-powered ac motor drive is discussed. The model is intended to be used for …
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Operations manual for student-team-built hybrid power source to recharge an Unmanned Undersea Vehicle
… A team of students designed and built a gasoline-hybrid recharging system for a Remus 600 UUV to extend its operating time from three days to four weeks. To facilitate the understanding, operation, and copying of the unit by the project sponsor, MIT Lincoln Laboratory, a thorough inventory of …
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Intelligent control of hybrid power plants with wind turbines, pv solar systems, and energy storage systems
El concepto de sistemas de energía de múltiples fuentes, como por ejemplo en microrredes basadas en fuentes de energía renovable (RES), almacenamiento y conexión a la red, tiene como objetivo participar activamente en el equilibrio de la producción y el consumo de electricidad. Esta tesis estudia …
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Two-Loop Controller for Maximizing Performance of a Grid-Connected Photovoltaic-Fuel Cell Hybrid Power Plant
… with the requirement that a photovoltaic (PV) power source should be integrated with other supplementary power sources whether it operates in a stand-alone or grid-connected mode. First, fuel cells for a backup of varying PV power were compared in detail with batteries and were found to have …
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Statistical Scheduling of Economic Dispatch and Energy Reserves of Hybrid Power Systems with High Renewable Energy Penetration
… approach focuses on minimizing the overall power operating cost with considerations of renewable energy uncertainty and power system security. A hybrid power system generates electricity from both conventional and renewable energy sources. In such a system, it is challenging and yet an open …
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