Power oscillation protection
作者： Daniel H. Karlsson , Per-Anders Löf
DOI:
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摘要: The present invention discloses a system protection scheme comprising of at least two terminals (18), introduced suitable locations in an electric power (1). (18) are interconnected by communication (22), preferably using substantially dedicated resource. At the equipped to collect measurement signals (72) associated with time stamped voltage or current values that particular location quantities derivable therefrom. measurements evaluated and related data is spread other (18). one evaluate existence poorly damped oscillations network if necessary provide control (74) actuating units. evaluation based on changes node angle differences between locations.
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