Robust STATCOM control for the stabilisation of fixed-speed wind turbines during low voltages

M.J. Hossain, H.R. Pota and R.A. Ramos

Renewable Energy, 2011, vol. 36, issue 11, 2897-2905

Abstract: This paper presents a robust voltage control scheme for fixed-speed wind generators using a static synchronous compensator (STATCOM) controller. To enable a linear and robust control framework with structured uncertainty, the overall system is represented by a linear part plus a nonlinear part that covers an operating range of interest required to ensure stability during severe low voltages. The proposed methodology is flexible and readily applicable to larger wind farms of different configurations. The performance of the control strategy is demonstrated on a two area test system. Large disturbance simulations demonstrate that the proposed controller enhances voltage stability as well as transient stability of induction generators during low voltage ride through (LVRT) transients and thus enhances the LVRT capability.

Keywords: Dynamic voltage stability; Nonlinearity; Linearisation; STATCOM; Robust control (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:36:y:2011:i:11:p:2897-2905

DOI: 10.1016/j.renene.2011.04.010

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