考虑通信延迟的网络化预测广域阻尼控制

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Abstract With respect to the some problems of wide-area control power system, such as operating condition variation and communication delays et. al, a wide-area damping controller (WADC) based on networked predictive control (NPC) is proposed. The NPC, based on the modified generalized predictive control (GPC), increase networked delay compensator (NDC) to compensate the communication delays. Besides, the controlled auto-regressive moving average (CARMA) model, which is used as predictive model, is identified online using the recursive least-squares (RLS) with a variable forgetting factor algorithm. The simulation results of the two-area four-machine power system show that the proposed WADC can not only improve the damping performances of the inter-area oscillation, but also compensate both the constant and random communication delays effectively.

Key words： Power system wide-area measurement system networked predictive control wide-area damping controller communication delays

Received: 26 September 2011 Published: 20 March 2014

PACS:

TM464

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	Yao Wei
	Wen Jinyu
	Sun Haishun
	Cheng Shijie
	Jiang Lin

Cite this article:

Yao Wei,Wen Jinyu,Sun Haishun等. Networked Predictive Wide-Area Damping Control Considering Communication Delays[J]. Transactions of China Electrotechnical Society, 2012, 27(12): 248-255.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I12/248

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