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 20 of 48 for “"Distribution Grid"”.
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Increasing Distribution Grid Hosting Capacity Through Wire And Non-Wire Solutions
… adversely impact the operational performance of distribution networks. This increment can potentially change network power flow and result in several operational issues such as reduced power quality, overvoltage, and ineffective protection. In order to quantify the degradation bounds of …
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Modern Adaptive Protection and Control Techniques for Enhancing Distribution Grid Resiliency
Power distribution systems have underwent a lot of significant changes in the last two decades. Wide-scale integration of Distributed Energy Resources (DERs) have made the distribution grid more resilient to abnormal conditions and severe weather induced outages. These DERs enhance the reliability …
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Transactive Distribution Grid with Microgrids Using Blockchain Technology for the Energy Internet
The changing nature of the energy grid in recent years has prompted key stakeholders to think of ways to address incoming challenges. Transactive energy is an approach that promises to dynamically align active grid elements coming up in the previously inactive consumers' side to achieve a reliable …
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Impact of Location and Size of Solar PV Plants for Integration in the Lusaka distribution grid network
… potentially have a significant impact on the Distribution network to address increase in system losses at distribution level, voltage drops and load growth. The distribution lines in Lusaka area are heavy-load lines with the highest demand density in Zambia. The Lusaka distribution line …
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Impact of Location and Size of Solar PV Plants for Integration in the Lusaka distribution grid network
… potentially have a significant impact on the Distribution network to address increase in system losses at distribution level, voltage drops and load growth. The distribution lines in Lusaka area are heavy-load lines with the highest demand density in Zambia. The Lusaka distribution line …
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Digital Signal Processing and Machine Learning Applied to Power Line Communications
… to the ubiquitous nature of pre-existing power grid infrastructure, PLC has a huge networking potential, especially in the implementation of smart grid technologies. However, the electrical architecture and function of distribution grid systems, which is specifically designed to carry power …
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Simulation of a low voltage customer microgrid using petri nets
… and delivered to the modern consumer, Microgrids are emerging as an optimal and efficient method for implementing renewables and changing the infrastructure of the dated transmission and distribution grid. This thesis work presents mathematical models of Petri Nets for the simulation of a …
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Distributed and decentralized control of the power grid
… of command from the top layer (transmission grid) to the bottom layer (distribution grid). At the distribution grid layer, certain local problems can be solved without the intervention of the top layers. A reactive load control optimization algorithm to improve the voltage profile in the …
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Optimal coordination of distributed energy resources in smart grids enabled by distributed optimization and transactive energy
Modern active distribution grids are characterized by the increasing penetration of distributed energy resources (DERs). The proper coordination and scheduling of a large numbers of these DERs can only be achieved at the nexus of new technological approaches and policies, primarily distributed …
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A response taxonomy and cost model for advanced metering infrastructures
The smart grid is creating the potential for security vulnerabilities due to the deployment of networked devices into the traditional grid. A core component of the smart grid is its advanced metering infrastructures (AMIs), in which a utility communicates and controls smart meters at customer …
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Towards Quality of Service and Fairness in Smart Grid Applications
… points, e. g., electric vehicles, the power distribution grid will reach its capacity limit at peak load times if it is not expensively enhanced. Alternatively, smart flexibility management that controls user assets can help to better utilize the existing power grid infrastructure for example …
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Convex relaxation based locational marginal prices for electricity markets
… to convex hull prices. Restricted to radial distribution networks, RLMPs reduce to second-order cone relaxation-based distribution locational marginal prices. We illustrate our theoretical results on numerical examples. We also investigate and analyze properties of convex relaxation-based …
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Voltage Unbalance-Cognizant Optimization of Distribution Grids
… of distributed generators (DGs) into the distribution grid has exacerbated voltage unbalance issues leading to greater risks of reducing equipment lifetime, equipment damages, and increased ohmic losses. Most approaches to regulating voltage in distribution systems only focus on voltage …
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Aspectos do desempenho operativo de redes elétricas com inserção de geração fotovoltaica
… of photovoltaic generation. Therefore, a distribution grid was proposed by combining a medium and low voltage systems and also, by adding distributed photovoltaic generation at the low voltage grid. Furthermore, the IEEE 39 bus system was chosen for the transmission grid studies, also by …
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Towards Resilient Protection of Interconnected ICT and Power Systems
… of distributed renewable energy sources, the distribution grid faces new operational challenges. Information and Communication Technology (ICT) systems can resolve these challenges through grid services that use automation, monitoring, and real-time decision-making, helping maintain an …
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Value chain concept for power electronics based products
… automation may trigger a technological change in grid infrastructure, away from electromechanical products and towards more flexible power electronics based products. Maschinenfabrik Reinhausen (MR), a premium manufacturer for specialized components and equipment for the electrical distribution …
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Improving the Reliability of Smart Distribution Grids Using Software-based Networking
Smart grid is a combination of technologies that emerged in response to the rapid changes in the way humans generate, transfer, distribute and use energy. The smart grid paradigm shifts the focus from bulk generation with centralised grid control to distributed electricity generation, energy …
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Real-time Integration of Energy Storage
… connected to different nodes of a power distribution grid are coordinated in a competitive market. A generalized Nash equilibrium problem is formulated for their participation in arbitrage and energy balancing, which is then solved using a novel emph{weighted} Lyapunov approach. In both …
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Technical analysis of renewable energy integration with battery energy storage systems on the Eskom grid
… to integrate large-scale energy storage into its grid to maintain energy security during the transition from fossil fuels to clean energy sources. Even though load shedding has been looming since 2008 and is getting worse as the fleet of power plants ages. Eskom is routinely curtailing wind energy …
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