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 12 of 12 for “"Power Flow Model"”.
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Quantifying the performance of the Kim AC/DC Hybrid Power Flow Model
… of aggressively modifying their control and modeling techniques to cope with increasingly shorter forecast horizons. This analysis examines one proposed modeling methodology, the Kim Hybrid Power Flow Model, looking to quantify its accuracy as compared to the two most common steady-state …
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Computational Complexity of Electrical Power System Problems
… problems in the application of electrical power systems. Knowledge of the current state of the power system is important for power network operators. This helps, for example, to predict if the network is trending towards an undesirable state of operation, or if a power line is working at …
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Computational Complexity of Electrical Power System Problems
… problems in the application of electrical power systems. Knowledge of the current state of the power system is important for power network operators. This helps, for example, to predict if the network is trending towards an undesirable state of operation, or if a power line is working at …
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Increasing Distribution Grid Hosting Capacity Through Wire And Non-Wire Solutions
… 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 distribution operation due to increasing DG integration, the concept of …
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Unlocking the value of distributed energy resources in electric distribution networks : exploring the role of locational tariffs
… these technologies. This thesis proposes a modeling framework for evaluating the impact of tariff structure on the adoption of DERs within distribution networks, and their ensuing impact on network cost drivers. The framework combines a dynamic end user model, which simulates the operational …
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Real-time power system topology change detection and identification
… to be known. Instead of relying on offline models as with traditional methods, the proposed method is model-free, and exploits the high-speed synchronized measurements provided by phasor measurement units (PMUs). In this framework, a statistical quickest change algorithm is applied to the …
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Distributed Control, Optimization, and State Estimation for Renewable Power System
<p>The traditional power systems are usually centralized systems, in which the control, operation and monitoring are performed by the centralized control center, e.g., SCADA. However, with the development of renewable energy, power systems are getting more and more distributed. So, it becomes …
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Line and Generator Outage Identification using Synchrophasor Measurements
Identification of outages in power systems is crucial to raise situational awareness and prevent cascading failures. As a result of wide adoption of phasor measurement units (PMUs), synchronized measurements with high temporal resolution provide new opportunities for event detection and …
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An Energy Diffusion Model for Interior Acoustics with Structural Coupling Using the Laplace Transform Boundary Element Solution
… is a recently developed mathematical model for interior acoustics known as the acoustic diffusion model. The model extends statistical methods in high frequency acoustics to predict the spatial distribution of acoustic energy in the volume over time as a diffusion process. Previously, …
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Achieving Security and Reliability of Industrial Control Systems Using Data-Driven Models Informed by Physical Domain Knowledge
… and monitoring critical infrastructure such as power grids, which are critical for national security and public health. Modern ICS are comprised of interconnected information technology and operational technology systems that monitor and control physical processes. Although this increased …
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Real-time power system operational reliability tools
The primary goal of power system operators is to effectively and economically maintain operational reliability---a power system is said to be in an operationally reliable state if the supply-demand balance is met, and the system can tolerate the failure of a small number of components without …
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The economic benefits of market integration in the East Africa Power Markets
… the potential benefits of integrating these power markets through an introduction of an efficient congestions management system (Nodal pricing). The integration is expected to increase efficiency in electricity trade and allow power flow amongst the countries as well as allowing for …