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 46 for “"Power system operation"”.
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Load forecasting for economic power system operation
… is important for reliable and economic operation of apower system. The aim of this research is the development of statistical models capable ofpredicting the short-term total system load for a small, isolated power system, utilising bothhistorical demand patterns and the underlying …
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Reliable power system operation plan - steady state contingency analysis
To ensure that Sabah Grid transmission system is planned and operated safely, economically and reliably, steady state contingency analysis must be performed. This analysis is performed to ensure that the system meets all requirements and Grid Code standards under normal operations and given a …
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Minimizing cost and environmental impact of electric power system operation.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1973. Ph.D.
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A Wide-Area Perspective on Power System Operation and Dynamics
Classically, wide-area synchronized power system monitoring has been an expensive task requiring significant investment in utility communications infrastructures for the service of relatively few costly sensors. The purpose of this research is to demonstrate the viability of power system monitoring …
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Decision-making under uncertainty for electric power system operation and expansion planning
… is required in a multiplicity of situations in power system operation and capacity expansion planning. This thesis investigates the drivers and impact of uncertainty on power system infrastructure planning and proposes several methods to design and operate a power system at granular modeling …
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Machine Learning based Methods to Improve Power System Operation under High Renewable Pennetration
… presents unique challenges to the distribution system, including predicting solar adoption by the user as well as forecasting end-use load profiles. While these problems are complex, advances in machine learning and artificial intelligence provide opportunities for novel paradigms for addressing …
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Renewable Energy Integrated Power System Stability Assessment with Validated System Model Based on PMU Measurements
… is playing an increasingly significant role in power system operation and stability assessment with its numerous penetration expansion. This is not only brought by its uncertain power output and inverter-based equipment structures but also its operation characteristics like Low Voltage Ride …
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Fuel-constrained unit commitment
One of the main objectives in power system operation is the scheduling of resources in order to minimize the overall production cost. Through a wide range of scheduling activities, utility companies attempt to get maximum utilization of the available resources. However, the problem is a complex and …
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Enhanced dynamic security assessment for power system under normal and fake tripping contingencies.
Recently, power system networks have become more dependent on new technologies especially in using a communication network to enhance the overall performance of system operation. The communication network facilities are applied to send and receive data and commands through the wide-area power …
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Study of methods to predict voltage collapse
… the problems that must be addressed for a secure power system operation is the voltage collapse problem. The ever increasing size and connectivity of the power grid have lead to making the problem more multifarious. Widespread blackouts, similar to the one that occurred in the northeast in August …
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Metering and adaptive protection for a microgrid with distributed generation
… this project is to develop an adaptive relaying system that will protect the microgrid both in connected and isolated modes. Therefore the settings for the different relays will be observed for the two modes of operation. This will determine whether they are correctly coordinated in order to …
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Cyber-Resilient Control of Synchronous Condensers
… inverter-based resources (IBR) within electrical power systems leads to new challenges to grid stability in weak networks and creates heightened cybersecurity vulnerabilities due to the extensive reliance on information and communication technologies. This dissertation investigates and proposes …
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Some Effects of Loss Formula Variation on Power System Production Costs.
… generation is the most common approach in modern power system operation. A great deal of literature has been devoted to the problem of calculating accurate loss formulae. Several methods employ quite lengthy attempts to establish the loss formula accuracy by calculating many power flow check cases …
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Fast optimal power flow analysis for large-scale smart grid
Optimal power flow OPF plays an important role in power system operation. The emerging smart grid aims to create an automated energy delivery system that enables two-way flows of electricity and information. As a result, it will be desirable if OPF can be solved in real time in order to allow the …
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Wind power utilization improvement by using hierarchical controlled microgrid
… solution for improving the utilization of wind power energy without causing impact to the power grid by using microgrid concept, which promises the function of making a cluster of generators and loads behave like a controllable unit, is proposed. This microgrid concept is achieved by a proposed …
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Strategic Harmonic Filter Placement In Electric Ship and Utility Power Systems
<p>Modern electrical power systems are increasingly evolving to employ more efficient and controllable power electronic devices. Unfortunately, the nonlinear nature of the essential power electronic devices inherently creates distortion in a power system because of the harmonic characteristics of …
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Smart Grid Technologies and Implementations
… smart grid implementations, how to examine the power system operation with communication network deployment, how to determine the optimal technology scheme with consideration of economic and political constraints, and so on. Governments and related institutions are keen to evaluate the cost and …
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Game-theoretic analysis of deregulated electricity markets: From retail to wholesale
… penetration of renewable resources into the power grid, critical issues and challenges arise to the design and operation of deregulated electricity markets. In this dissertation, we exploit tools from game theory and optimization theory to address some of these critical issues. Firstly, …
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Statistical Analysis of Electric Energy Markets with Large-Scale Renewable Generation Using Point Estimate Methods
… of intermittent renewable-energy based power generation have introduced serious challenges to power system operation emanating from the uncertainties introduced to the system variables (electricity prices, congestion levels etc.). In order to economically operate the system and …
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