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 57 for “"Power outages"”.
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The efforts by the Zambia electricity supply corporation to reduce power outages and their impact in Lusaka’s high density areas.
… also subjected to load shedding and notorious power outages. The purpose of this research is to evaluate the effort by the Zambia Electricity Supply Corporation (ZESCO) to reduce power outages and their impacts in Lusaka’s High Density Areas. The research used a mixed method approach, involving …
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The efforts by the Zambia electricity supply corporation to reduce power outages and their impact in Lusaka’s high density areas.
… also subjected to load shedding and notorious power outages. The purpose of this research is to evaluate the effort by the Zambia Electricity Supply Corporation (ZESCO) to reduce power outages and their impacts in Lusaka’s High Density Areas. The research used a mixed method approach, involving …
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System architecture design of a robust heating system
Power outages are exponentially increasing because extreme weather conditions are occurring more frequently. In addition, the duration of the power outages are increasing. Unfortunately, the will to expand or convert the current electric grid is not there. The objective of this thesis is to design …
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Bulk power risk analysis : ranking infrastructure elements according to their risk significance
Disruptions in the bulk power grid can result in very diverse consequences that include economic, social, physical, and psychological impacts. In addition, power outages do not affect all end-users of the system in the same manner. For these reasons, a risk analysis of bulk power systems requires …
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The impact of electricity shortages on large- and medium-scale manufacturing industries in Ethiopia
… supply relies very heavily on hydroelectric power, with geothermal, natural gas, solar, coal and diesel together providing only 1% of the total electricity supply. Significant power shortages occurred in the years 1995/96, 1997/98 and 1999/2000, with a particularly severe power shortage …
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Learning from multi-modal spatiotemporal data: machine learning approaches to advance resilience in smart grids
… used. As of the 2020s, the United States power grid consists of more than 9,200 electric generating units with more than 1 million megawatts of generating capacity connected to more than 300,000 miles of transmission lines. The United States electricity grid has rapidly expanded in recent …
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Dynamic thermal response of buildings resulting from heating and cooling interruptions
… building and a house during winter and summer power outages. The effect of thermal mass in the interior and exterior walls on the inside temperature drift after an HVAC system cutoff or a power outage was presented. The inside air temperature response curve is presented for different wall …
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Graph-Based Approach: Bridging Insights from Structured and Unstructured Data
Graph-based methodologies provide powerful tools for uncovering intricate relationships and patterns in complex data, enabling the integration of structured and unstructured information for insightful decision-making across diverse domains. Our research focuses on constructing graphs from …
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Experiences of teachers in teaching computer studies as a compulsory subject in secondary schools in Kitwe district, Zambia.
… theory and practice and this positively empowered them with various technological skills such as browsing, typing and researching via internet. The study also revealed that benefits of computer studies to teachers included increased participation in research, a shift from teacher-centred to …
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Centering peripheries : warning systems and disaster risk reduction planning on the island city
… of communication due to both structural (i.e., power outages, failed telecommunications equipment, aging infrastructure) and nonstructural issues (i.e., governance, socioeconomic inequity, language barriers). Through semi-structured interviews, participant observation, document review and …
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Integrated Optimal Dispatch, Restoration and Control for Microgrids
… events have the potential to cause widespread power outages and even a blackout. A vast majority of power outages impacting the U.S. electric grid impact the distribution system. There are an estimated five million miles of distribution lines in the US electric grid. A majority of these lines …
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Environmental and economic analysis of thermal energy storage for a district heating system in Bolungarvik
… on electricity to meet both their heating and power demand, but these regions also experience frequent outages. The current backup systems supporting the energy demand in the Westfjords during outages are highly polluting diesel fueled generators and boilers. Finding a more reliable solution …
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The Capabilities and Limitations of Flywheel-based Energy Storage System Pertaining to Subways in the Event of a Power Outage
<p>In the city that never sleeps, power outages or blackouts can be a shock, especially if you are on a train amid one. For example, during the infamous 2003 blackout, thousands of people were left stuck and stranded in parts of Northeastern United States. In particular, with no trains or buses in …
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Planning for the Future in the Face of Climate Change Uncertainty: Three Econometric Techniques Applied to the Challenges Facing Energy, Water, and Recreation Demand
… the welfare losses experienced as a result of power outages across Europe. This paper shows how the severity and spatial distribution of these welfare losses will change as the climate warms, which enables the current electricity grid expansion taking place in Europe to account for these …
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New Differential Zone Protection Scheme Using Graph Partitioning for an Islanded Microgrid
… microgrids alleviate the effects of power outages. However, microgrid implementations impose additional challenges on power systems. Microgrid protection is one of the technical challenges implicit in the deployment of microgrids. These challenges occur as a result of the unique …
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Technology Adoption and Integration: A Descriptive Study of a Higher Education Institution in a Developing Nation
… technologies due to related issues like power outages and poor reception; lack of training; lack of technical, pedagogical and administrative support; and lack of faculty involvement in decision making relating to electronic technologies.
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Power System Resilience Enhancement Using Artificial Intelligence
… and natural disasters are the major cause of power outages in the United States. An accurate forecast of component outages and the resultant load curtailment in response to extreme events is an essential task in pre- and post-event planning, recovery and hardening of power systems. Power …
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Three essays on resource and development economics in Sub-Saharan Africa: evidence from Senegal
… the third paper unravels the nexus between power outages, firm productivity, and gender-based productivity gap. For many developing countries, power outages represent additional costs for firms, given their need to invest in alternative inputs (i.e., generators) to maintain or enhance …
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Impact of Power Outage to Small and Medium Enterprise at Small Industries Development Organization (SIDO) Dar Es Salaam
… study was study was to assess the effects of power outage to SMEs by using SIDO Dar es Salaam as a case study. In order to achieve this objective, the study had several specific objectives that reduced the main objective into simple objectives that are also achievable. These objectives …
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Quality control and analysis of an updated wind gust data set in the United States
… explore how the automated quality algorithm and power outages may impact long return period wind speed estimations. Peak wind speeds are classified into thunderstorm, non-thunderstorm, and tropical and standardized for instrumentation changes. Spatial analysis of annual maximum wind gusts shows …
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