On market-based robust load-frequency control

Bevrani, Hassan & Hiyama, Takashi (2005) On market-based robust load-frequency control. In 20th International Power System Conference (PSC), November 2005, Tehran, Iran.


In a deregulated environment, Load-frequency control (LFC), as an ancillary service essential for maintaining the system reliability, acquires a fundamental role to enable power exchanges and to provide better conditions for the electricity trading. Since the LFC system is faced by new uncertainties in the liberalized electricity market, a reevaluation in traditional modeling and control structures is highly needed. In response to the coming challenge of integrating computation, communication and control into appropriate levels of system operation and control, a comprehensive scenario is proposed to perform the LFC task in a deregulated environment. As a part of the mentioned scenario, this paper addresses a new method to design of robust LFC with considering the communication delays. First the LFC problem is reduced to a static output feedback control synthesis for a multiple delays power system, and then the control parameters are easily carried out via a multi-objective control technique. The proposed method is applied to a 3-control area power system and the results are compared with a conventional single norm-based robust control design.

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ID Code: 14780
Item Type: Conference Paper
Refereed: Yes
Additional Information: For more information, please contact the author.
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2005 PSC
Deposited On: 08 Sep 2008 00:00
Last Modified: 10 Aug 2011 14:41

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