Damping estimation in highly interconnected power systems

Glickman, M, O'Shea, P and Ledwich, G 2006, 'Damping estimation in highly interconnected power systems', in IEEE Region 10 Conference (TENCON 2005), Melbourne, Australia, 21-24 November 2005, pp. 252-255.


Document type: Conference Paper
Collection: Conference Papers

Title Damping estimation in highly interconnected power systems
Author(s) Glickman, M
O'Shea, P
Ledwich, G
Year 2006
Conference name IEEE Region 10 Conference (TENCON 2005)
Conference location Melbourne, Australia
Conference dates 21-24 November 2005
Proceedings title IEEE Region 10 Conference (TENCON 2005)
Publisher IEEE
Place of publication USA
Start page 252
End page 255
Total pages 4
Abstract 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.
Keyword(s) colored noise
damping factor
prony analysis
white gaussian noise
DOI - identifier 10.1109/TENCON.2005.301196
Copyright notice © IEEE
ISSN 0886-1420
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