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000000442 037__ $$aENY-PREPRINT-2013-013
000000442 041__ $$aeng
000000442 088__ $$a
000000442 100__ $$aTrujillo, L$$uUniversidad Autónoma de Nuevo León, Mexico
000000442 245__ $$aError Compensation in Distance Relays Caused by Wind Power Plants in the Power Grid
000000442 260__ $$c2013-08-19
000000442 300__ $$a22p
000000442 500__ $$aPreprint published in Electric Power Systems Research, Volume 106, January 2014, Pages 109–119
000000442 520__ $$aThis article presents the Prony method as a filtering technique for distance relays. First, the effect of non-filtered frequency components generated by Wind Power Plants in distance relays is evaluated in a simplified model of a doubly fed induction generator, resulting in an error of apparent impedance measurement. Then, the effects of non-filtered frequency components for typical distance relay are presented. The error in apparent impedance measurement is evaluated in reach and operation time of the relay; a distorted characteristic of the mho distance relay is shown in the impedance plane. Finally, Prony method as a filtering technique is implemented as a solution of the apparent impedance measurement error, and the simulated case and a real fault event are evaluated to validate the proposed distance relay algorithm. Thus the asynchronous frequency components of voltage and current signals are identified and filtered, as a result the performance of the distance relay is enhanced.
000000442 6531_ $$awind power plant
000000442 6531_ $$aProny method
000000442 6531_ $$adistance relay
000000442 6531_ $$aprotective relays
000000442 700__ $$aConde, A$$uUniversidad Autónoma de Nuevo León, Mexico
000000442 700__ $$aLeonowicz, Z$$uWroclaw University of Technology, Poland
000000442 8560_ $$
000000442 8564_ $$u$$zAccess to Fulltext
000000442 909CO $$$$pglobal
000000442 980__ $$aPREPRINT