Electrical arc ignition in narrow slots: high-voltage generation

Wolny, Alicja; Stokes, A.D.

doi:10.1049/ip-gtd:19949945

Cited by 2 publications

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“…The complex structure of typical fuse elements such as those of figure 2 makes more difficult the study of the fuse element disintegration. As a consequence in many experimental works typical fuse elements are replaced by cylindrical fuse wires without any reduced sections [53][54][55][56][57]. Moreover this phenomenon has been widely investigated within the framework of plasma guns [58].…”

Section: Fuse Element Disintegration Dedicated To Pre-arcing Understamentioning

confidence: 99%

“…Even if these latters work are concerned with very high value of dt di many shared problematics are in common. A comprehensive work dedicated to electric fuses problematics is published in [53]. In figure 18(c) we show the influence of various fault currents on especially the voltage curve up to the beginning of the arcing period thus including the transition between the pre-arcing and the arcing periods.…”

Section: Fuse Element Disintegration Dedicated To Pre-arcing Understamentioning

confidence: 99%

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Electric fuses operation, a review: 1. Pre-arcing period

Bussière

2012

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Electrical needs are continously growing because of many various factors linked to increasing consumption and a green perception. This development -geographical, increasing production, growth of transport network, interconnection of continental networks, diversity of the transport technologies … -can not be dissociated from electrical safety considerations whatever the voltage level. For the three main levels of electric network -High Voltage, Middle Voltage and Low Voltage -one has to provide efficient electrical safety techniques or schemas which integrate different electrical safety apparatus. Among well-known apparatus we can cite SF 6 breakers, HV and MV switchgears (such as MV cells, MV and LV high current vacuum switchgears), and fuses. Electrical fuses are especially used in the MV and LV domains, sometimes as an additional safety device and sometimes as the main electrical safety component which is linked to the electrical current breaking function of electric fuse. In the paper, we will quickly depict the various kinds of electric fuses. We will especially focuss on the physical mechanisms -whatever the type of work, experimental, theoretical, modelling or empirical -prevailing during the pre-arcing period of the electric fuse operation.

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Section: Fuse Element Disintegration Dedicated To Pre-arcing Understamentioning

confidence: 99%

Section: Fuse Element Disintegration Dedicated To Pre-arcing Understamentioning

confidence: 99%