Design of wide-area damping controller and performance evaluation in presence of load model uncertainties

Modi, Nilesh, Saha, Tapan Kumar and Mithulananthan, N. (2012). Design of wide-area damping controller and performance evaluation in presence of load model uncertainties. In: 2012 22nd Australasian Universities Power Engineering Conference (AUPEC). 2012 22nd Australasian Universities Power Engineering Conference, Bali, Indonesia, (). 26 -29 September 2012.

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Author Modi, Nilesh
Saha, Tapan Kumar
Mithulananthan, N.
Title of paper Design of wide-area damping controller and performance evaluation in presence of load model uncertainties
Conference name 2012 22nd Australasian Universities Power Engineering Conference
Conference location Bali, Indonesia
Conference dates 26 -29 September 2012
Proceedings title 2012 22nd Australasian Universities Power Engineering Conference (AUPEC)
Journal name 2012 22nd Australasian Universities Power Engineering Conference: "Green Smart Grid Systems", AUPEC 2012
Place of Publication Piscataway, NJ, United States
Publisher IEEE (Institute of Electrical and Electronics Engineers)
Publication Year 2012
Sub-type Fully published paper
ISBN 9781467329330
Total pages 6
Collection year 2013
Language eng
Abstract/Summary Power system oscillations are inherent phenomena of power system. Inadequate damping can cause sustained power oscillation in the network. These oscillations can be reducing using supplementary control of existing flexible AC transmission devices. This controller, if robustly tuned, can provide sufficient damping on a wide range of operating conditions. Moreover, with the recent development in wide area measurement system additional damping can be introduced into the system by using remote signals. Under different load characteristics, the damping of low-frequency modes changes significantly. Hence it is necessary to examine the effect of different load models on performance of wide-area damping controller. In this paper, power system damping controller for static Var compensator is designed using robust H∞ loop-shaping technique. Additional observability to the controller is added using remote signal. The performance of this wide-area damping controller is tested for different operating condition and load models. The results are compared with that achieved with damping controller based on local signal. The simulation results confirm that the designed damping controller using remote signal provides higher damping for different operating conditions as well as under different load models.
Keyword Power system damping controller
Load models
Wide area signal
Robust control
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Wed, 17 Oct 2012, 21:40:36 EST by Dr Mithulan Nadarajah on behalf of School of Information Technol and Elec Engineering