Measurement and analysis of harmonic distortion in power distribution systems (CROSBI ID 149686)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Vlahinić, Saša ; Brnobić, Dalibor ; Vučetić, Dubravko
engleski
Measurement and analysis of harmonic distortion in power distribution systems
Power distribution systems often exhibit different harmonic behaviours at different locations. It is not usually possible to completely characterise the distortion at a particular site, however, due to insufficient data about the measured system and instrumentation inability to evaluate or register complete set of measurement quantities. In this paper existing power quality standards are analysed and new harmonic distortion indices are derived. A new index describing the total harmonic distortion in current measurements, TRD, is suggested in order to simplify and standardise harmonic measurements. Another index representing the increase of harmonic voltage distortion with TRD, equivalent harmonic impedance zeq, is proposed as an efficient way of characterising a particular site. The framework described here can be used to predict future harmonic behaviour at any previously measured point. Finally, extensive harmonic measurements of a real distribution system were performed to prove the usefulness of the proposed indices.
harmonic distortion measurement; harmonic distortion monitoring and prediction
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Podaci o izdanju
79 (7)
2009.
1121-1126
objavljeno
0378-7796
10.1016/j.epsr.2009.02.004
Povezanost rada
Elektrotehnika, Tehnologija prometa i transport