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 123 for “"electric grid"”.
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Toward joint water-power electric grid modeling
… and dispose of water. The dependence of the electric power grid on water varies based on generation technology (i.e., prime mover), fuel source, cooling technology, and climate. By one estimate, 49\% of all U.S. water withdrawals are used for thermoelectric cooling, with the state of Illinois …
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Drivers of change in the North American electric grid
… in power supply and demand at any location of an electric grid. The delay associated with this phenomenon is generally observed in large-scale interconnected power systems, and the impact of large changes in load or generation can be felt over a wide geographic area. A high penetration of solar …
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Diamond power electronics for the next generation electric grid
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01
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Energy storage for frequency regulation on the electric grid
… are required for reliable operation of the electric grid. Currently, the same traditional thermal generators that supply bulk power also perform nearly all frequency regulation. Instead, using high power energy storage resources to provide frequency regulation can allow traditional thermal …
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Analysis of a Major Electric Grid – Stability and Adaptive Protection
Protective systems of the electric grid are designed to detect and mitigate the effects of faults and other disturbances that may occur. Distance relays are used extensively for the detection of faults on transmission lines. Out-of-step relays are used for generator protection to detect loss of …
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Operation under Uncertainty in Electric Grid: A Multiparametric Programming Approach
… In recent years, with the emergence of the smart grid, uncertainty level has been further elevated in both the generation and demand side of power systems. Increasing uncertainty exposes the electric grid to potential safety issues and economic loss, thus posing significant challenges to the grid …
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A Framework for Interoperability on the United States Electric Grid Infrastructure
Historically, the United States (US) electric grid has been a stable one-way power delivery infrastructure that supplies centrally-generated electricity to its predictably consuming demand. However, the US electric grid is now undergoing a huge transformation from a simple and static system to a …
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Determination of Harmonics for Modeling Integration of Solar Generation to The Electric Grid
… analysis of integrating solar generation to the electric grid .The model is then used in determining Harmonics of Integrating solar panels to the electric grid that are based on parallel or series combination of solar cells. To study integration of solar generation to the grid, we have used solar …
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Spatial and temporal variation in virtual water transfers on the U.S. electric grid
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01
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Improving the use of commercial building HVAC systems for electric grid ancillary services
Increasing renewable and distributed electricity generation increases the requirement of grid-scale flexibility, often provided through ancillary services. Buildings can play a significant role in meeting this challenge by providing ancillary services with their HVAC systems. However, use of …
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Resiliency and reliability planning of the electric grid in natural disaster affected areas
… America has severely damaged the conventional electrical grid. Notably, the government of Puerto Rico laid out a plan to reinvent its energy sector to improve its level of resiliency against natural disasters. Better planning and preparation can minimize the damage that needs to be repaired on …
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Technological and economic comparison of battery technologies for U.S.A electric grid stabilization applications
Energy storage can provide many benefits to the electric grid of the United States of America. With recent pushes to stabilize renewable energy and implement a Smart Grid, battery technology can play a pivotal role in the advancement of energy storage of the grid. While there are many types of …
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Overcoming Voltage Issues Associated with Integration of Photovoltaic Resources in the Electric Grid
… approach allows implementation of new grid codes and standards, which is not possible using the old step change methods of simulating cloud impacts. Furthermore, all electrical components between utility transformers and customers are modeled to eliminate the inaccuracy due to using …
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Methodology for combined Integration of electric vehicles and distributed resources into the electric grid
Plug-in electric vehicles and distributed generation are expected to appear in growing numbers over the next few decades. Large scale unregulated penetration of plug-in electric vehicles and distributed generation can each have detrimental impact on the existing electric grid infrastructure. …
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Phasor measurement unit data visualizations and their role in improving operation of the electric grid
Made available in DSpace on 2017-08-10T19:15:57Z (GMT). No. of bitstreams: 2 GEGNER-THESIS-2017.pdf: 6417677 bytes, checksum: 481fed8deb6ab8e3ee883ab34e2231f5 (MD5) LICENSE.txt: 4212 bytes, checksum: caab9f3c9576b208560d63a6658d71de (MD5) Previous issue date: 2017-04-24
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Changing user behavior with home electricity use to reduce and shift the demand on the electric grid
… consumers in the US are unaware of their electrical usage or the price of electricity until they receive their monthly bill. However, they are concerned about being "wasteful" when it comes to electricity use. But most consumers have no idea what being wasteful means. What if there was a …
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Analysis of the key issues in the provision of bulk electric grid services by distributed energy resource aggregations
… by the inability and unwillingness of bulk grid operators to expand their transmission grids. The intermittencies associated with RRs and the exacerbated flexibility requirements are some of the key challenges that hinder their deployment. The absence of a sufficient inventory of …
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The benefits and challenges of renewables on the electric grid and opportunities for systems integration and demand side management
… turbines and solar photovoltaic arrays in the electric grid. While these new sources of renewable electrical power provide environmental and economic benefits to the electric grid, they also complicate the balancing of supply and demand required to reliably operate the grid. The seasonal, …
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The Past as prologue : the value creation of batteries on the U.S. electric grid as a function of time and location
… order to reflect the contribution of storage to grid reliability during times of stress, we treat capacity market revenue as a function of output during given hours throughout the year; changing the identification of these hours - whether taken as some percent of top demand hours, or as …
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