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Equivalent input disturbance-based robust LFC strategy for power system with wind farms.
- Source :
-
IET Generation, Transmission & Distribution (Wiley-Blackwell) . 2018, Vol. 12 Issue 20, p4582-4588. 7p. 12 Diagrams, 1 Chart. - Publication Year :
- 2018
-
Abstract
- Due to the intermittent power generation, wind farms integrated into the grid may cause a problem of large frequency fluctuation, when the capacity of load frequency control (LFC) is not enough to compensate the unbalance between the generation and the load demand. In this study, a new robust LFC strategy against load disturbance and wind power fluctuation is proposed to improve the disturbance-resistant performance of the power system with wind farms. First, a simplified model of the power system with wind farms is established without considering the accurate model information. Then, a control scheme based on the compensation of equivalent input disturbance (EID) is introduced, and a method of EID estimation is presented. The robust LFC design addresses various disturbances and internal/external uncertainties of power systems. Finally, to evaluate the effectiveness of the proposed method, two case studies are carried out and the performance comparisons with the classical proportional-integral-derivative control scheme are used to confirm the proposed method. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 17518687
- Volume :
- 12
- Issue :
- 20
- Database :
- Academic Search Index
- Journal :
- IET Generation, Transmission & Distribution (Wiley-Blackwell)
- Publication Type :
- Academic Journal
- Accession number :
- 132996156
- Full Text :
- https://doi.org/10.1049/iet-gtd.2017.1901