Impact of Wind Generation Mix on Transient Stability for an Interconnected Power System

Lasantha Meegahapola, Damian Flynn, Jason Kennedy, Timothy Littler

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)


The rapid growth of wind generation in many European countries is pushing power systems into
uncharted territory. As additional wind generators are installed, the changing generation mix may
impact on power system stability. This paper adopts the New England 39 bus system as a test
system for transient stability analysis. Thermal generator models are based on a likely future plant
mix for existing systems, while varying capacities of fixed-speed induction generators (FSIG) and
doubly-fed induction generators (DFIG) are considered. The main emphasis here has been placed
on the impact of wind technology mix on inter-area oscillations following transient grid
disturbances. In addition, both rotor angle stability and transient voltage stability are examined, and
results are compared with current grid code requirements and standards. Results have shown that
FSIGs can reduce tie-line oscillations and improve damping following a transient disturbance, but
they also cause voltage stability and rotor angle stability problems at high wind penetrations. In
contrast, DFIGs can improve both voltage and rotor angle stability, but their power output
noticeably oscillates during disturbances.
Original languageEnglish
Title of host publicationProceedings of the European Wind Energy Conference (EWEC '09)
Number of pages10
Publication statusPublished - Mar 2009
EventEuropean Wind Energy Conference - Marseille, France
Duration: 01 Mar 200901 Mar 2009


ConferenceEuropean Wind Energy Conference


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