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H∞ dynamic output feedback control of power systems with electric vehicles

conference contribution
posted on 2015-01-01, 00:00 authored by Ngoc Thanh Pham, Levan Hien, Hieu TrinhHieu Trinh, K P Wong
This paper presents a H∞ dynamic output feedback control scheme for load frequency control (LFC) of interconnected power systems with multiple input timedelays. In this study, electric vehicles (EVs) are participated in the LFC to support reheated thermal power units to rapidly suppress load and frequency fluctuations. A mathematical model of an interconnected power system is first introduced. This model takes into consideration of the different time delays in control inputs; specifically the communication/information delays between the control center and the fleet of EVs. We then derive stabilization conditions in terms of feasible linear matrix inequalities (LMIs) for the proposed system and develop an effective algorithm to parameterize H∞ controllers ensuring stability of the closed-loop system with H∞ performance. Extensive simulations are given to show the effectiveness of the proposed control method.








Publication classification

E Conference publication; E1 Full written paper - refereed

Copyright notice

2015, Institution of Engineering and Technology

Title of proceedings

IET Seminar Digest

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