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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
ESCI SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v14.i3.50
pages 255-270

SIMULATIONS AND MEASUREMENTS OF THE PRE-ARCING TIMES IN HBC FUSES UNDER TYPICAL ELECTRIC FAULTS

S. Memiaghe
Laboratoire Arc Electrique et Plasmas Thermiques CNRS FRE 3120, Phys. Bât. 5 - Université Blaise Pascal, Aubière Cedex, France; and P.R.E.S. Clermont Université, Clermont-Ferrand Cedex 1, France
W. Bussiere
LAEPT CNRS UMR 6069 - Phys. Bat. 5 - Université Blaise Pascal - 24, Avenue des Landais - 63177 Aubiere Cedex - France; and P.R.E.S.Clermont Université, 9 rue Kessler B.P. 10448 63012 Clermont-Ferrand Cedex 1, France
D. Rochette
Laboratoire Arc Electrique et Plasmas Thermiques CNRS FRE 3120, Phys. Bât. 5 - Université Blaise Pascal, Aubière Cedex, France; and P.R.E.S. Clermont Université, Clermont-Ferrand Cedex 1, France
R. Touzani
Laboratoire de Mathématiques CNRS UMR 6620, Campus Universitaire des Cézeaux, 24 Avenue des Landais, F63177 Aubière Cedex, France; P.R.E.S.Clermont Université, 9 rue Kessler B.P. 10448 63012 Clermont-Ferrand Cedex 1
P. Andre
Laboratoire Arc Electrique et Plasmas Thermiques CNRS FRE 3120, Phys. Bât. 5 - Université Blaise Pascal, Aubière Cedex, France; and P.R.E.S. Clermont Université, Clermont-Ferrand Cedex 1, France

ABSTRACT

This work deals with the comparison between calculations and measurements of pre-arcing times in High Breaking Capacity fuses under typical fault current conditions. This paper also describes the temperature evolution and the Joule energy dissipated in a fuse element during the pre-arcing time. By varying typical electrical parameters, namely the closing angle and the power factor, we show that various prospective currents such as those observed in industrial case can be fairly simulated. The pre-arcing time and then the clearing of the fault current are shown to be deeply dependent on these electrical characteristics. We exhibit simulated results of prospective current and supply voltage waves for given closing angles under two typical power factors which are compared with the experimental ones. A comparison between simulated pre-arcing times with experimental ones shows some discrepancies and a discussion on the numerical assumptions is made.


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