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 559 for “"Energy Systems"”.
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Performance of Deep Geothermal Energy Systems
Geothermal energy is an important source of clean and renewable energy. This project deals with the study of deep geothermal power plants for the generation of electricity. The design involves the extraction of heat from the Earth and its conversion into electricity. This is performed by allowing …
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Data-driven cyber-physical energy systems
Distributed solar energy resources (DSERs) in smart grid systems are rapidly increasing due to the steep decline in solar module prices. Smart cities, utilities, and government agencies are having pressure on managing stochastic power generation with this distributed solar energy penetration, such …
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Multilevel inverters for renewable energy systems
… these greenhouse gases is to turn to renewable energy sources such as the solar, wind etc instead of coal. Converters play the crucial role of converting the renewable source dc power to ac single phase or multiphase. The advancement in research in renewable energy sources and energy storage has …
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Boost Matrix Converters in Clean Energy Systems
… to the existing solutions in residential wind-energy systems, where a low-voltage variable-speed generator feeds power to the higher-voltage fixed-frequency grid.Comprehensive analytical derivations and simulation results were carried out to investigate the operation of the proposed converters. …
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Energy Systems Analysis for a Solar Economy
<p>The use of solar energy for human needs faces challenges owing to its relatively low energy intensity and intermittent availability, coupled with the constrained availability of renewable carbon and land resources. This study uses systems analysis tools to identify carbon and energy efficient …
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Mission-specific design of aircraft energy systems
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Electrical interfaces for electromechanical and energy systems
… explore different shipboard power distribution systems. The synchronization of two generators is necessary to fulfill these goals to extend versatility and allow for the testing of new power distribution systems. The signal conditioning circuit uses digital logic to develop a frequency sensor, …
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Distributed parameter estimation for complex energy systems
With multiple energy sources, diverse energy demands, and heterogeneous socioeconomic factors, energy systems are becoming increasingly complex. Multifaceted components have non-linear dynamics and are interacting with each other as well as the environment. In this thesis, we model components in …
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Predictive and Prescriptive Analytics Applied to Energy Systems.
North Carolina State University Theses Operations Research.
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Development of novel energy systems for LNG locomotives
… natural gas (LNG) locomotives. Six novel energy systems for LNG locomotives are developed with different prime movers and fuel combinations. The systems are analyzed energetically and exergetically, and their performances are compared for evaluation purposes. The environmental impact and …
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Functionalized carbon surfaces for clean electrochemical energy systems
The development and implementation of clean energy technologies is the way to overcome the global energy crisis and reduce pollution. Therefore, new energy solutions are rapidly needed. Fuel cells (FCs) may become one such solution. FCs are devices that utilize chemical reactions to directly …
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Estimation and fault diagnosis for vehicle energy systems
… a greater challenge for these safety-critical systems. Electrified vehicles consist of systems of systems that operate over a wide span of energy domains and timescales. To ensure their safe, reliable, and efficient performance, a holistic system perspective for estimation is needed. Accurate …
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Toward distributed control for autonomous electrical energy systems
… the problem of enabling autonomous electrical energy systems (AEESs) by means of distributed control. We first propose a modular modeling approach that represents a general electrical energy system (EES) as a negative feedback configuration comprising a planar electrical network subsystem and a …
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Towards Energy Systems Integration: a holistic methodology, software platform, and toolset for modelling and simulation of Cyber-Physical-Social Energy Systems
L'abstract è presente nell'allegato / the abstract is in the attachment
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Implementing district energy systems : municipal approaches to overcoming barriers
Climate change and energy security are issues facing municipalities throughout the world. Efficient, resilient, sustainable, community-based energy systems, such as district energy systems (DES), fuelled mostly by renewables, are an important tool for addressing both climate change and energy …
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Sustainable development and energy systems: shaping Canada’s energy transition
… facing major disruptions to their established energy systems, and Canada is no different. The energy transition in Canada is shaped by economic considerations, environmental considerations, such as climate change, and social considerations, such as reconciliation with Indigenous peoples. Given …
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Multi-Vector Energy Integrated Networks for Local Energy Systems
L'abstract è presente nell'allegato / the abstract is in the attachment
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