Use of higher harmonics to detect difficult earth-fault cases in MV networks
Publish place: 18th International Power System Conference
Publish Year: 1382
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PSC18_130
تاریخ نمایه سازی: 28 اردیبهشت 1386
Abstract:
This paper gives the analyses of some basic earth fault events in a real electric power distribution network, with a special attention given to the situation when the load side end of the conductor has an earth contact. This kind of a fault is much more serious than common type of the earth fault, which is predominantly analyzed in the literature. Considerable number of measurements of the earth fault currents and neutral point voltages in the various fault situations have been performed. Here are given comparative results for an insulated and a small impedance earthed
distribution system. Certain attention is also given to the analyses of higher harmonic components, especially 5th harmonic, in the earth fault current.
Authors
Mustafa Čečo
Eektroprivreda BiH Zenica, Safveta Bega Bašagića br.۶ Bosna i Hercegovina
Jurij Curk
Iskra Sistemi Stegne ۲۱, ۱۰۰۰ Ljubljna Slovenija
Anton Urankar
Iskra Sistemi Stegne ۲۱, ۱۰۰۰ Ljubljna Slovenija