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The problem of voltage ride through capability of fixed speed wind generation as a result of voltage sags is examined by means of a simulation study. The role of a Unified Power Quality Conditioner (UPQC), which provides both shunt and series compensation, in enhancing the ride through capability is investigated under both full and partial voltage restoration. Results of a study to identify the minimum rating requirements to ensure stability are presented.
Jayanti, N. G. :Rating requirements of a unified power quality conditioner (UPQC) for voltage ride through capability enhancement. 3rd IET International Conference on Power Electronics, Machines and Drives, Dublin, Ireland, 2006, pp.632-636.