NDLI: Optimal voltage support and Stress Minimization in power networks

Content Provider	IEEE Xplore Digital Library
Author	Todescato, Marco Simpson-Porco, John W. Dorfler, Florian Carli, Ruggero Bullo, Francesco
Copyright Year	2015
Description	Author affiliation: Department of Mechanical Engineering and the Center for Control, Dynamical System and Computation, University of California at Santa Barbara, United States (Simpson-Porco, John W.; Bullo, Francesco) \|\| Automatic Control Laboratory, Swiss Federal Institute (ETH) Zurich, Switzerland (Dorfler, Florian) \|\| Department of Information Engineering, University of Padova, Italy (Todescato, Marco; Carli, Ruggero)
Abstract	A standard operational requirement in power systems is that the voltage magnitudes must lie within pre-specified bounds. Conventional wisdom suggests that such a tightly regulated voltage profile should also guarantee a secure system, operating far from static bifurcation instabilities such as voltage collapse. Here we demonstrate that this conclusion is generally false, and that the distance from voltage collapse is a systems-level objective distinct from ensuring voltage limits. We formulate an optimization problem which maximizes the distance to voltage collapse through injections of reactive power, subject to power flow and operational voltage constraints. By exploiting a linear reformulation of the power flow equations we arrive at a convex reformulation which can be efficiently solved for the optimal reactive power injections. We illustrate the performance of our results with the IEEE30 bus network.
Starting Page	6921
Ending Page	6926
File Size	417869
Page Count	6
File Format	PDF
e-ISBN	9781479978861
DOI	10.1109/CDC.2015.7403310
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-12-15
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Voltage control Generators Load modeling Power system stability Security Standards optimal placement power networks voltage support reactive power compensation sparsity-promoting optimization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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