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Beforehand obtaining a safety operation condition by using daily load curves in transient stability and graphical software for transient stability applications
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Date
2005
Author
Öztop, Celal
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In this thesis, relationship between two most important transient stability indices, critical clearing time and generator rotor angle is examined for one machine-infinite bus system and then extended to the multimachine case and is observed to be linear. By using the linear relationship between critical clearing time and generator rotor angle and utilizing the daily load curve, a new preventive method is proposed. The aim of this method is to make all critical clearing times longer than the relay and circuit breaker combination operation time. In the proposed method, desired critical clearing times are obtained by using on line system data and daily load curves. Then desired values are adjusted by generators output rescheduling and terminals voltage control Visual computer language is used for graphical and numerical solutions. Comprehension of one machine infinite bus system and multimachine system transient stability become easier.
Subject Keywords
Electric power.
URI
http://etd.lib.metu.edu.tr/upload/2/12606457/index.pdf
https://hdl.handle.net/11511/15465
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Graduate School of Natural and Applied Sciences, Thesis
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C. Öztop, “Beforehand obtaining a safety operation condition by using daily load curves in transient stability and graphical software for transient stability applications,” M.S. - Master of Science, Middle East Technical University, 2005.
