By Topic

Small signal mode damping mitigation using orthogonal polynomials

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Kokanos, B.L. ; Arizona Public Service Co., Phoenix, AZ, USA ; Karady, G.G.

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.

Published in:

Power and Energy Society General Meeting, 2010 IEEE

Date of Conference:

25-29 July 2010