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Probability Density Functions of Voltage Sags Measured Indices (CROSBI ID 175479)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Klaić, Zvonimir ; Šljivac, Damir ; Baus, Zoran Probability Density Functions of Voltage Sags Measured Indices // Journal of electrical engineering, VOLUME 62 (2011), 6; 335-341. doi: 10.2478/v10187-011-0053-8

Podaci o odgovornosti

Klaić, Zvonimir ; Šljivac, Damir ; Baus, Zoran

engleski

Probability Density Functions of Voltage Sags Measured Indices

Voltage sags can cause interruptions of industrial processes, which could result as a malfunction of equipment and considerable economic losses. Thus, it is very useful to see certain rules of voltage sags occurrence – due to duration and depth. This paper presents statistical analyses of voltage sags in several domestic and industrial transformer stations. Voltage sag probability functions are calculated from actual measurement data, by means of a hill climbing algorithm. Lognormal and Weibull frequency distribution functions are used to describe distribution of measured voltage dips.

power quality; voltage sag; probability functions; chi squared criterion; hill climbing algorithm

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Podaci o izdanju

VOLUME 62 (6)

2011.

335-341

objavljeno

1335-3632

10.2478/v10187-011-0053-8

Povezanost rada

Elektrotehnika

Poveznice
Indeksiranost