NDLI: System security enhancement against voltage collapse via coordinated control

Content Provider	IEEE Xplore Digital Library
Author	Qiang Wu Popovic, D.H. Hill, D.J. Parker, C.J.
Copyright Year	1999
Description	Author affiliation: Dept. of Electr. & Inf. Eng., Sydney Univ., NSW, Australia (Qiang Wu)
Abstract	In this paper, the problem of analytically coordinating dissimilar voltage control actions to prevent voltage collapse in a large power system is addressed. A framework for hybrid control based on coordination of controls with different response time and dynamic characteristics is presented. The proposed method is based on a security constrained steady-state approach. The minimum distance from the operating point to the bifurcation boundary is used to evaluate system security. The optimal corrective control direction towards adequate security is then obtained by calculating the sensitivity of the minimum distance with respect to controls. The actual dispatch of controls along the optimal direction, which takes into account impacts of economic cost and control availability, is determined as the solution of a multiple stage optimization problem using differential dynamic programming. The algorithm is demonstrated for a system with dynamic load models representing the main grid of the New South Wales, Australia.
Starting Page	755
Ending Page	760
File Size	755514
Page Count	6
File Format	PDF
ISBN	0780348931
DOI	10.1109/PESW.1999.747551
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-01-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system security Optimal control Hybrid power systems Power system dynamics Voltage control Power system analysis computing Power system control Power systems Delay Steady-state
Content Type	Text
Resource Type	Article

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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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