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 11 of 11 for “"Hybrid power systems"”.
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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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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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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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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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Design of power systems for extensible surface mobility systems on the Moon and Mars
This thesis presents the power system model description and sample studies for extensible surface mobility systems on the Moon and Mars. The mathematical model of power systems for planetary vehicles was developed in order to estimate power system configuration with given mission parameters and …
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Computer Modeling and Simulation of Power Electronics Systems for Stability Analysis
This works focuses on analyzing ac/dc hybrid power systems with large number of power converters that can be used for a variety of applications. A computer model of a sample power system is developed. The system consists of various detailed/switching models that are connected together to study the …
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Distributed Generation Systems Based on Hybrid Wind/Photovoltaic/Fuel Cell Structures
… on the environment. Photovoltaic (PV) and wind power are two of the most promising renewable energy technologies. Fuel cell (FC) systems also show enormous potential in future DG applications, due to a fast technology development, high efficiency, environment friendliness and modularity. Hybrid …
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Analysis, modeling and design of energy management and multisource power systems
… by adding degrees of freedom to sensing and power conversion systems using multiple electrical sources. This principal drove the invention of the hybrid electric vehicle, which achieves efficiency increases by combining the energy capacity of gasoline with the flexible storage capability of …
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Optimal Sizing of Power Generation Systems Based on Multi Criteria Decision Making (MCDM)
Power Generation Systems (PGSs) based on Hybrid Renewable Energy (HRE) are one of the promising solutions for future distributed generation systems. Among different configurations, Hybrid Photovoltaic - Wind turbine (PV-WT) grid connected PGSs are the most adopted for their good performance. …
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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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The design and evaluation of a small size wind-solar hybrid power system
1 PDF file (xi, 94 pages)