DocumentCode :
1437834
Title :
Power system frequency estimation
Author :
Szafran, J. ; Rebizant, W.
Author_Institution :
Inst. of Electr. Power Eng., Wroclaw Univ. of Technol., Poland
Volume :
145
Issue :
5
fYear :
1998
fDate :
9/1/1998 12:00:00 AM
Firstpage :
578
Lastpage :
582
Abstract :
A new algorithm of power system frequency estimation is presented. The algorithm applies orthogonal signal components obtained with use of two orthogonal FIR filters. The essential property of the algorithm presented is its outstanding immunity to both signal orthogonal component magnitudes and FIR filter gains variations which ensures 1.5 mHz accuracy of estimation over typical (±2 Hz) range of measured frequency deviation. The results of the algorithm simulation tests using the EMTP software package are also included. It was confirmed that the algorithm dynamics are good enough to track power system frequency even under transient conditions
Keywords :
FIR filters; frequency estimation; power systems; signal processing; EMTP software package; FIR filter gains variations; algorithm simulation tests; frequency deviation measurement; orthogonal FIR filters; orthogonal signal components; power system frequency estimation; power system frequency transients; signal orthogonal component magnitudes; transient conditions;
fLanguage :
English
Journal_Title :
Generation, Transmission and Distribution, IEE Proceedings-
Publisher :
iet
ISSN :
1350-2360
Type :
jour
DOI :
10.1049/ip-gtd:19982187
Filename :
723987
Link To Document :
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