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https://hdl.handle.net/2142/80789
Description
Title
Complex Flow-Based Non-Linear ATC Screening
Author(s)
Grijalva, Santiago
Issue Date
2002
Doctoral Committee Chair(s)
Sauer, Peter W.
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
The prediction of the transfer size to reach the thermal limits is done using a fast method that incorporates the effect of reactive power flows in linear ATC. The estimation of bus voltage constraints is based on a system state approximation using an explicit polynomial expression on the transfer size. Generator reactive power limits are predicted using flow-based methods, and the collapse point is estimated using a complex flow-based necessary condition, which is demonstrated as part of this thesis. All the estimates are obtained from information exclusively from the initial operating point. Numerical examples on systems ranging from few to several thousand buses are used to describe and demonstrate the proposed tool.
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