NDLI: Small signal mode damping mitigation using orthogonal polynomials

Content Provider	IEEE Xplore Digital Library
Author	Kokanos, B.L. Karady, G.G.
Copyright Year	2010
Description	Author affiliation: Arizona Public Service Co., Phoenix, 85003, USA (Kokanos, B.L.) \|\| Arizona State University, Tempe, 85287 USA (Karady, G.G.)
Abstract	Many on-line and off-line methods have been advanced by researchers for identifying small signal modes in power systems. Identification methods employed off-line can also be used outside of the traditional on-line prediction scenarios. These methods can assist in the design of damping mitigation devices for critical small signal mode events. In this paper, several scenarios will be studied to determine the present level of damping for small signal disturbances. Next, a damping mitigation device will be added and tuned to improve damping performance. A recently proposed orthogonal polynomial algorithm will be used to estimate the damping improvement from the mitigating devices. Frequencies and their associated damping levels in the pre- and post-mitigation cases will be identified using this new method along with a Prony assessment. Several examples will show the flexibility of this new estimation method as a design tool for tuning damping devices.
Starting Page	1
Ending Page	6
File Size	520941
Page Count	6
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5588115
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Damping Static VAr compensators Polynomials Oscillators Power system stability Algorithm design and analysis Frequency estimation static var compensators small signal stability curve fitting associate Hermite expansion power systems Prony's method control design power system stabilizers
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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