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 198 for “"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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PCI Express multi-root switch reconfiguration during system operation
… constraints of I/O devices in a clustered system. One solution lies with the recently developed PCI Express multi-root partitionable switch. The partitionable switch is highly configurable and provides a means of altering the allocation of I/O devices amongst multiple hosts. This offers 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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Communicating expertise in system operation and fault diagnosis to non-experts
The use of systems that span many knowledge domains is becoming more common as technology advances, requiring expert-performance in a domain from users who are usually not experts in that domain. This study examined a means of communicating expertise (in system operation and fault diagnosis) to …
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Decision-making under uncertainty for electric power system operation and expansion planning
… 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 level. …
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Impact of ventilation system operation and building products on perceived indoor air quality
… emissions from building materials, ventilation systems and other sources. With the intention of saving energy, the ventilation systems in many office buildings are turned off during the night. This process may reduce the quality of indoor air during day time, because of accumulation of …
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Growth of Opportunistic Pathogens in Domestic Plumbing: Building Standards, System Operation, and Design
… survival and proliferation in domestic plumbing systems. In a cross-sectional survey of water- and energy-efficient buildings, domestic water age ranged from 8 days to 6 months and resulted in pH and temperature fluctuations, rapid disinfectant residual decay up to 144 times faster than municipal …
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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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A Microgrid Architecture With Multiple-Input DC/DC Converters: Applications, Reliability, System Operation, and Control
… issues related to the proposed architecture operation and control are analyzed. Multiple-input converter power budget equations are derived and verified through simulations and experiments. Issues in distributed architectures, such as autonomous control, and fault detection and mitigation are …
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Hardware Architectures for Low-power In-Situ Monitoring of Wireless Embedded Systems
As wireless embedded systems transition from lab-scale research prototypes to large-scale commercial deployments, providing reliable and dependable system operation becomes absolutely crucial to ensure successful adoption. However, the untethered nature of wireless embedded systems severely limits …
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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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Microgrid-Enabled Reactive Power Support to Enhance Grid Economics
… voltage control and stability in electric power systems. Various Volt/VAR techniques are utilized in electric power systems to maintain the voltage profile within defined acceptable limits and accordingly provide reliability and stability. Reactive power has been commonly generated through …
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POWER SYSTEM TRANSIENT STABILITY CONTROL WITH CONSIDERATION OF UNCERTAINTIES
Stability of power system ensures continuous and uninterrupted power delivery from generation to demands and measures the dynamic behaviour of different system characteristics subject to disturbances. Failure to maintain stability can lead to consequences ranging from disconnected buses and areas …
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Renewable Energy Integrated Power System Stability Assessment with Validated System Model Based on PMU Measurements
… 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 Through …
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Structural analysis and control of flexible manufacturing systems
… control. Structural analysis in discrete event systems refers to the characterization of states and regions in the system state space which are logically inconsistent with ""normal"" system operation. The structural characteristics of an FMS strongly affect its behavior and performance. The …
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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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Fault tolerant dynamic agent systems
Partial system snapshots reduce the cost per node to only depend on the size of the connected group instead of the size of the full system. These groups can be determined during system operation by using the communication patterns between nodes. The number of nodes that must rollback after a …
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