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Quasi-synchronous sampling algorithm and its applications-III. High accurate measurement of frequency, frequency deviation and phase angle difference in power systems

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3 Author(s)
Dai, X. ; Inst. of Elec. Power Supply, Erlangen Univ., Germany ; Tang, T. ; Gretsch, R.

A robust computation technique for measuring the frequency, the frequency deviation and the phase angle difference between two periodic components of currents and/or voltages in power systems, based on quasi-synchronous sampling algorithm, is described. Using this method the influence of distortion of the measured signal and the asynchronization error can both be reduced considerably, which ensures a higher accuracy of the frequency and phase angle difference measurement even for multiple frequency signals

Published in:

Instrumentation and Measurement Technology Conference, 1993. IMTC/93. Conference Record., IEEE

Date of Conference:

18-20 May 1993