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 26 for “"energy networks"”.
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Power-Adaptive Computing in Future Energy Networks
The current electricity grid is undergoing major changes. There is increasing pressure to move away from power generation from fossil fuels, both due to ecological concerns and fear of dependencies on scarce natural resources. Increasing the share of decentralized generation from renewable sources …
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Optimization, Learning, and Control for Energy Networks
Massive infrastructure networks such as electric power, natural gas, or water systems play a pivotal role in everyday human lives. Development and operation of these networks is extremely capital-intensive. Moreover, security and reliability of these networks is critical. This work identifies and …
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Large scale data analytics for resilience of energy networks
Massive power failures are induced frequently by natural disasters. Two fundamental challenges arise in face of such failures: First, how recovery can be resilient to the increasing severity of disruptions and their impact on service users in a changing climate. Second, how can we measure the …
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Efficiency and Restructuring in Regulated Energy Networks: Evidence from Germany and the US
Although the German framework of incentive-based energy regulation appears to be well-defined because it draws from international experience and eliminates several present drawbacks existing with revenue-cap regulation doubts of industry and politicians concerning the application of benchmarking …
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Design, development and evaluation on decision making algorithms, based on innovative smart energy networks
The use of renewable energy sources across Europe and many other parts of the world has been largely supported by government and economic incentives in recent years. Taking into account European Union climate change legislation requiring EU Member States to produce 20% of their electricity from …
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Optimal Operation of Multi-Energy Systems in Integrated Energy Networks with Distributed Peer-to-Peer Energy Transactive Framework
Multi-carrier energy systems (MES) and peer-to-peer (P2P) energy sharing have gained research attention for their sustainability benefits to energy systems. As a result, this thesis proposes optimal operation models for integrated energy distribution networks with interconnected MES operating in a …
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Role of social networks in resilience of naval recruits: a quantitative analysis
… is to make a connection between the positive energy levels of Navy recruits and their resilience. We also want to understand the patterns of social networks that might help identify and improve resilience. This study hypothesizes that groups receiving positively framed resilience interventions …
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Molecular Dynamics Simulations Provide Insight into Stability of Hyperthermophilic Endoglucanases
… and salt bridges were analyzed. Finally, protein energy networks were constructed from nonbonded interaction potentials and analysis was performed using hub population, cluster population, largest community transition profiles and LCC profiles. It was found that the more thermostable …
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Warming Homes, Cooling the Planet: An Analysis of Socio-Techno-Economic Energy Efficiency Policy and Practice in the UK
Energy efficiency governance in the UK is a crucial component of tackling climate change as around 27% of UK carbon dioxide emissions come from homes (DEFRA, 2006). However, the UK has approximately 30,000 excess winter deaths every year (Help The Aged, 2007) and over 5 million UK households were …
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Numerical Investigations of the Thermal State of Overhead Lines and Underground Cables in Distribution Networks
… heat and power (CHP) projects) and renewable energy (wind, biomass, solar PV) is currently taking place in numerous European countries, including the UK. The research presented in this thesis is a part of a UK government funded project, which aims to find answers to how to accommodate …
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Cyber-attack detection and resilient state estimation in power systems
… such as transportation and electric energy networks, and health care, are now becoming highly integrated with information and communication technology, in order to be more efficient and reliable. These cyber-physical systems (CPS) now face an increasing threat of cyber-attacks. …
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Power to the People? Cities, Citizens, and the German Energy Transition: A Comparative Case Study of Hamburg and Berlin
This thesis explores Germany’s *Energiewende* (‘energy transition’) and the role of citizen/community energy democracy initiatives at municipal and state levels in shaping developments that underpin this society-wide transformation - examining how grassroots agitation, in particular, has prompted …
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Knowledge Discovery for Sustainable Urban Mobility
… different sectors. Sustainable approaches of energy production, distribution, and consumption must take the place of traditional methods to reduce the negative impacts of urbanization such as global warming and fast consumption of fossil fuels. In order to enable the transition of cities to …
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ENERGY & STORAGE SHARING STRATEGIES IN AN ELECTRICITY MARKET ENVIRONMENT
The rapid growth of renewable energy generation (REG) and energy storage systems (ESS) has created a need to further develop the electricity market for distributed energy, to stimulate the technology and application of REG and battery energy storage systems (BESS). Considering that the investment …
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A Mycorrhizal Model for Transactive Energy Markets
Mycorrhizal Networks (MNs) facilitate the exchange of resources including energy, water, nutrients, and information between trees and plants in forest ecosystems. This work explored MNs as an inspiration for new market models in transactive energy networks, which similarly involve exchanges of …
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New methods for protection of future power networks incorporating high penetrations of distributed generation
… EU (European Union) 2020 target of 20% of final energy consumption from renewable sources [1], and a target to reduce greenhouse gases from energy production by 80-95% by 2050 [2], the number of renewable generators being connected to power systems is increasing. Many modern renewable generators …
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Supercapacitor assisted LED (SCALED) converter technique for solar powered DC-microgrids
… electronic products and systems with high energy efficiency is a major challenge for electronic power circuit designers. Almost all residential and industrial buildings are presently AC powered. However, they contain electronic equipment that is internally dependent on a bulk DC power rail …
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On the Belarusian energy dilemma: Economic, environmental and geopolitical considerations of the nuclear power option
… announcement comes at a time of ever-increasing energy prices, regional Russian petro-imperialism and a souring of relations between Minsk and Moscow. Unsurprisingly, the proposed Belarusian Nuclear Power Plant (BNPP) project has generated stiff domestic resistance from a citizenry that continues …
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Optimization of stationary expansion planning and transient network control by mixed-integer nonlinear programming
Nowadays, transmission system operators of energy networks (TSO) have to enable secure energy supply even under challenging transport situations and increasing demand. Hence, they seek a stable network control and regularly expand the capacity of their networks. The challenging questions arise of …
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Condition assessment of in-service timber utility poles utilizing advanced digital signal processing and multi-sensors array
… utility poles currently used in Australian energy networks, which are more than 80% of total utility poles in the network. Due to the advanced age of Australia’s timber pole infrastructure, significant efforts are undertaken by state authorities on maintenance and asset management to prevent …
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