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 5 of 5 for “"Large power transformers"”.
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Automated diagnosis of large power transformers using adaptive model-based monitoring
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1990.
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The response of transformers to geomagnetically induced- like currents
… protocol for characterizing and testing transformers with GIC-like currents based on their magnetization curve characteristics. The differences between reactive and non-active power in the context of transformers and GICs are investigated thoroughly and their impact on power networks are …
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Three-phase five limb transformer responses to geomagnetically induced currents
… Geomagnetically induced currents enter into the power system through grounded neutrals of power transformers. The potential effects of GIC on transformers are asymmetrical saturation, increased harmonics, noise, magnetization current, hot spot temperature rise and reactive power consumption. …
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Mitigation of Remanence Flux in Power Transformers using Predetermined Method of De-Energization
Energization of large power transformers are subject to many transients that may complicate the successful completion of this process and ultimately reduce the expected life of these critical components. The first-time energization (commissioning), subsequent energizations (operational), methods of …
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The Modernization of Large Power Transformer Tanks
<p>Due to the current demands placed on the power grid in terms of climate change, increasing urbanization, and terrorist attacks, the U.S. government in response to these demands, mandated that all the grid components be modernized in order to increase their reliability. As a critical component of …