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New digital signal processing algorithms for frequency deviation measurement

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

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

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