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 17 of 17 for “"Power integration"”.
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Development of a scaled doubly-fed induction generator for assessment of wind power integration issues
… been dedicated to the advancement of thermal power plant technology, and in the last decade the investigation has focused on the wind energy conversion system (WECS). Wind energy will play an important role in the future of the energy market, due to the changing climate and the fossil fuel …
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Carbon Fiber Reinforced Lithium-Ion Battery Composites with Higher Mechanical Strength: Multifunctional Power Integration for Structural Applications
This study proposes and evaluates a multi-functional carbon fiber reinforced composite with embedded Lithium-ion battery for its structural integrity concept. The comparison of versatile composite structures manufactured conventionally, air-sprayed and electrospun multi walled carbon nano tubes in …
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Quantifying avoided emissions from renewable generation
… the reduced emissions due to renewable power integration and providing increasingly accurate emissions analysis has become more important for policy makers in the age of renewable portfolio standards (RPS) and emerging carbon markets. This study focuses on the method of quantifying the …
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Real-time simulation of a doubly-fed induction generator based wind power system on eMEGASim® real-time digital simulator
The growing demand for wind power integration into the generation mix prompts the need to subject these systems to stringent performance requirements. This study sought to identify the required tools and procedures needed to perform real-time simulation studies of Doubly-Fed Induction Generator …
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Modeling and prediction of wind power data
In a power system, supply and demand must be equal at all times. The wind power forecast accuracy is directly connected to the need for balancing energy and hence to the cost of wind power integration. Many ways are used to predict wind power, but the accuracy of the predictions is not as good as …
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Optimal Scheduling Method for Multi-Energy System
… multi-energy systems composed of electrical power, natural gas, heating power, cooling power networks and energy storage are attracting more attention and are being developed rapidly in recent years. Traditionally, different energy infrastructures are scheduled and operated independently, …
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Accurate aeroacoustic measurements in closed-section hard-walled wind tunnels
… fast and easy to implement. Source Power Integration and deconvolution techniques are shown to be still valid in de-reverberation. Measurements in a closed section wind tunnel have shown that an ISM gives a better estimate of the Green's functions, when compared to free-space Green's …
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Advanced Assessment of Inverter-based Resources-Storage Technologies on Modern Electric Grids in terms of Power Profiling, Ancillary Services, and Transient Stability
The integration of Inverter-Based Resources (IBRs) with energy storage presents significant challenges to modern power systems, including reduced dispatchability, limited reserve capacity, impaired ancillary service performance, and compromised transient stability. These complexities also hinder …
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Control and operation of offshore wind farms connected with diode rectifier HVDC systems
… To reduce the cost related to offshore wind power integration, this thesis investigates the control, modelling and operation of offshore wind farms connected with diode rectifier HVDC (DR-HVDC) systems, where a diode rectifier is used offshore and a modular multilevel converter (MMC) is used …
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Explaining Technological Change of Wind Power in China and the United States: Roles of Energy Policies, Technological Learning, and Collaboration
… explains how technological change of wind power, in terms of cost reduction and performance improvement, is achieved in China and the US through energy policies, technological learning, and collaboration. The objective of this dissertation is to understand how energy policies affect key …
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Vereinfachte Methoden zur optimalen Regelung resonanter Leistungskonverter
Nowadays the developments of power supplies in military, industrial or commercial applications are growing rapidly, not only to achieve the highest efficiency but also to focus on the size and weight minimization which are playing a major role in this area. Therefore, the research trends in dc-dc, …
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Energy Systems Analysis for a Solar Economy
… model allowing for simultaneous mass, heat, and power integration, is built over a process superstructure and solved using global optimization tools. As a case study, we consider biomass thermochemical routes of gasification/Fischer-Tropsch (FT) synthesis and …
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Investigation of High-density Integrated Solution for AC/DC Conversion of a Distributed Power System
With the development of information technology, power management for telecom and computer applications become a large market for power supply industries. To meet the performance and reliability requirement, distributed power system (DPS) is widely adopted for telecom and computer systems, because …
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Impact on heat rate and subsequent emissions due to varying operation of coal fired power plants
… reduction benefits of integrating renewable power generation system on the grid. This approach does not consider the fact that there is a deterioration in the heat rate with load for the Coal Fired Power Plants that need to accommodate the additional renewable supply. If varying heat rate …
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Uncertainty Modeling of Wind Power Generation for Power System Planning and Stability Study
… renewable energy resources are added to existing power grids. Among them, wind energy resources are becoming a major source of electricity generation. However, wind energy production has a critical downside: intermittency. The intermittent nature of wind energy in combination with the load demand …
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Data mining and graph theory focused solutions to Smart Grid challenges
The Smart Grid represents a transition of the power and energy industry into a new era of improved efficiency, reliability, availability, and security, while contributing to economic and environmental health. However, several challenges must be addressed for real-life implementation of Smart Grids. …