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New digital signal processing algorithms for frequency deviation measurement

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3 Author(s)
M. Kezunovic ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; P. Spasojevic ; B. Perunicic

The authors introduce two digital signal processing algorithms for frequency deviation measurement in power systems. The algorithms are derived using a novel signal processing scheme based on quadratic forms of signal samples. These algorithms provide high measurement accuracy over a wide range of frequency changes. One is designed for measurements of small deviations of the nominal frequency, whereas the other measures off-nominal frequency deviations. Performance of the algorithms is evaluated using computer simulation tests

Published in:

IEEE Transactions on Power Delivery  (Volume:7 ,  Issue: 3 )