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- Title
Integration of electric vehicles for load frequency output feedback H<sub>∞</sub> control of smart grids.
- Authors
Pham, Thanh Ngoc; Trinh, Hieu; Hien, Le Van; Wong, Kit Po
- Abstract
This study considers a novel application of electric vehicles (EVs) to quickly help reheated thermal turbine units to provide the stability fluctuated by load demands. A mathematical model of a power system with EVs is first derived. This model contains the dynamic interactions of EVs and multiple network‐induced time delays. Then, a dynamic output feedback H∞ controller for load frequency control of power systems with multiple time delays in the control input is proposed. To address the multiple time delays issue, a refined Jensen‐based inequality, which encompasses the Jensen inequality, is used to derive less conservative synthesis conditions in terms of tractable linear matrix inequalities. A procedure is given to parameterise an output feedback controller to guarantee stability and H∞ performance of the closed‐loop system. Extensive simulations are conducted to validate the proposed control method.
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2016, Vol 10, Issue 13, p3341
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/iet-gtd.2016.0375