NDLI: Design of wide-area damping controllers based on networked predictive control considering communication delays

Content Provider	IEEE Xplore Digital Library
Author	Yao, W. Jiang, L. Wu, Q.H. Wen, J.Y. Cheng, S.J.
Copyright Year	2010
Description	Author affiliation: Department of Electrical Engineering & Electronics, University of Liverpool, L69 3GJ, UK (Jiang, L.; Wu, Q.H.) \|\| Electric Power Security and High Efficiency Lab, College of Electrical Engineering, Huazhong University of Science & Technology, Wuhan, 430074, China (Yao, W.; Wen, J.Y.; Cheng, S.J.)
Abstract	This paper presents a wide-area damping controller (WADC) based on networked predictive control (NPC), of which the main purpose is to eliminate the impact of the communication delays of the wide-area signals from the wide-area measurement system (WAMS). The proposed WADC incorporates a generalized predictive control (GPC) to generate the optimized future control sequences and a network delay compensator (NDC) to compensate the communication delays actively. A recursive least-squares algorithm (RLSA) with a variable forgetting factor is used to identify the predictive model in order to overcome the effect of the model inaccuracy of the large-scale power system. Simulation studies undertaken on a two-area four-machine power system show that the proposed WADC can damp the inter-area mode oscillations effectively and compensate the communication delays existing in the wide-area signals in an active way. Moreover, the results obtained in the comparison with the WADC based on GPC are also provided.
Starting Page	1
Ending Page	8
File Size	1995072
Page Count	8
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589556
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	Delay Power systems Delay effects Mathematical model Communication networks Oscillators Damping communication delays Wide-area damping controller networked predictive control generalized predictive control model identification
Content Type	Text
Resource Type	Article

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