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 65 for “"Power distribution systems"”.
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Resilience of power distribution systems under extreme weather conditions
In this dissertation, the reliability of power distribution systems under the impact of adverse weather, with an emphasis on hurricanes, is studied. This research investigates the effects of failures of utility wood poles on the reliability and resilience of electric distribution systems. The …
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A Multi-Agent Design for Power Distribution Systems Automation
… for fault location, isolation and restoration in power distribution systems is presented. In proposed approach, when there is a fault in the Power Distribution System (PDS), MAS quickly isolates the fault and restores the service to fault-free zones. Hierarchical coordination strategy is …
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Subsystem Design in Aircraft Power Distribution Systems using Optimization
… of optimization tools for the design of subsystems in a modern aircraft power distribution system. The baseline power distribution system is built around a 270V DC bus. One of the distinguishing features of this power distribution system is the presence of regenerative power from the …
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Architectures and algorithms for voltage control in power distribution systems
… hierarchical control architecture for voltage in power distribution networks where there is a separation between the slow time-scale, in which the settings of conventional voltage regulation devices are adjusted, and the fast time-scale, in which voltage regulation through active/reactive power …
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Composite system analysis of advanced shipboard electrical power distribution systems
Thesis (Nav. E.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1992 and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.
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Modeling of Multi-Pulse Transformer/Rectifier Units in Power Distribution Systems
Multi-pulse transformer/rectifier systems are becoming increasingly popular in power distribution systems. These topologies can be found in aircraft power systems, motor drives, and other applications that require low total harmonic distortion (THD) of the input line current. This increase in the …
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An interval mathematics approach to economic evaluation of power distribution systems
… a deferal can be instituted by automating the power distribution system in an effort to make the system operate more efficiently and effectively. Increased efficiency on the distribution level improves the use of existing facilities on the distribution, transmission, and generation levels. The …
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Effects of energy storage on mitigating momentary power interruptions in power distribution systems
Includes bibliographical references (pages 198-214).
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High-Frequency Transformer Design for Solid-State Transformers in Electric Power Distribution Systems
… Hz transformer in applications demanding high-power density. Moreover, due to the high penetration of distributed generation, DC grids, energy storage systems, and sensitive loads, SSTs have been considered as an enabling technology for envisioned future energy systems. These applications …
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Data-driven coordination of assets in power distribution systems for ancillary service provision
… distributed energy resources (DERs) in power distribution systems to provide ancillary services including active power provision and reactive power regulation. The proposed frameworks generally consist of three components, namely (i) an input-output (IO) model of the system describing …
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Observability analysis of power distribution systems with distributed energy resources using correlational measurements
… observability analysis framework is proposed for power distribution systems. The framework analyzes the sufficiency of the available measurements for monitoring the system. In the areas of the network where sufficient sensors have been deployed, the complex voltage at the nodes may be estimated. …
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Control of DC Power Distribution Systems and Low-Voltage Grid-Interface Converter Design
DC power distribution has gained popularity in sustainable buildings, renewable energy utilization, transportation electrification and high-efficiency data centers. This dissertation focuses on two aspects of facilitating the application of dc systems: (a) system-level control to improve load …
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Learning-Based Situational Awareness, Decision Making, And Flexibility Aggregation for Power Distribution Systems with Uncertainty
… benefits and technical challenges to electric power distribution systems. Specifically, due to the inherently intermittent nature of renewable energy resources and the invisible behaviors of customers in electricity use, there exists a high level of uncertainty, which has significantly …
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Probabilistic assessment of the impact of integrating large-scale high-power fast charging stations on the power quality in the electric power distribution systems
… the impacts of integrating large-scale high-power fast charging stations on the electric power quality by studying different power quality phenomena such as low-order and high-order harmonics, supraharmonics and voltage/light flickering. New three-phase effective power quantities are …
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Electrical interfaces for electromechanical and energy systems
… experiments to 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 …
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An intelligent communication controller for the VME bus
… in a current differential protection scheme for power distribution systems.
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An AC-AC inverter for high frequency power distribution system
Future computer and telecommunication power distribution systems require the power source to be high frequency ac type and be combined with line current Power Factor Correction that satisfies IEC 1000-3-2 standard. In addition, low power applications require high efficiency, high power density and …
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Modeling and simulations of diphasic composites for development of high energy density dielectrics
… energy density storage applications in pulsed power and power distribution systems. Composite materials are particularly attractive because they can synergistically combine high permittivity with high breakdown strength of the individual phases. Energy density, which captures permittivity and …
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