The measurement of high-energy, low-frequency current impulses, such as the one (surge) defined in the base standard, can be performed through a broadband current probe. Passive current probes realized by coiling a wire around a soft ferrite core are conceptually simple and inexpensive but sensitive to saturation effects of the magnetic material. The scope here is to provide the essential design criteria of a current probe for application to accurate 8/20 μs current surge impulse measurements.
Design of a current probe for surge impulse measurements / Carobbi, Carlo; Bonci, Alessio. - ELETTRONICO. - (2013), pp. 559-562. (Intervento presentato al convegno Electromagnetics in Advanced Applications (ICEAA), 2013 International Conference on tenutosi a Torino nel September 9-13, 2013) [10.1109/ICEAA.2013.6632301].
Design of a current probe for surge impulse measurements
CAROBBI, CARLO;BONCI, ALESSIO
2013
Abstract
The measurement of high-energy, low-frequency current impulses, such as the one (surge) defined in the base standard, can be performed through a broadband current probe. Passive current probes realized by coiling a wire around a soft ferrite core are conceptually simple and inexpensive but sensitive to saturation effects of the magnetic material. The scope here is to provide the essential design criteria of a current probe for application to accurate 8/20 μs current surge impulse measurements.
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