Damping Estimation in Highly Interconnected Power Systems
Glickman, Mark, O'Shea, Peter J., & Ledwich, Gerard F. (2005) Damping Estimation in Highly Interconnected Power Systems. In IEEE TENCON '05, 21-24 November 2005, Crown Promenade Hotel, Melbourne, Australia.
In a large interconnected power system, oscillating modes typically arise after disturbances. Estimation of the rate of rise or decay of these disturbances (i.e. of the damping factor) is important so that poorly damped modes which put the system at risk can be identified. In the past both Fourier based and parametric techniques have been used to estimate the damping factors of the oscillating modes. Parametric methods tend to perform poorly in noise and existing sliding window methods do not optimally account for the kind of noise present in real operating environments. This paper presents an improvement to existing Fourier based methods for damping factor estimation. Simulations and real data results are provided to support the claims made in the paper. A comparison with parametric methods is also made.
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|Item Type:||Conference Paper|
|Keywords:||damping factor, white Gaussian noise, colored noise, Prony analysis|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2005 IEEE|
|Copyright Statement:||Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
|Deposited On:||27 Oct 2005|
|Last Modified:||29 Feb 2012 23:11|
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