Simultaneous measurement of light emission, current pulses and growth of prebreakdown streamers in hexane

Kelley, Edward F.; Nehmadi, M.; Hebner, Robert E.; McKenny, P.J.; Forster, E. O.

doi:10.1109/ceidp.1987.7736547

Cited by 14 publications

(1 citation statement)

References 2 publications

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“…It is most likely that these pulses corre spond to the individual branches of the streamers. These results are similar to those obtained for streamers in liquid alone [14,15]. and Vm is shown in Fig.…”

Section: Dischargesupporting

confidence: 91%

Characteristics of Creeping Impulse Streamers over the Surface of Oil-Immersed PE Wire

1996

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Creeping impulse discharges occurring at the insulating systems of electric power equipment are significantly af fected by the presence of a surrounding grounded metal case. Using a standard lightning impulse voltage, the char acteristics of creeping streamers were studied over the surface of an oil-immersed polyethylene (PE) insulated wire with a grounded side electrode. The discharge characteristics (discharge aspect, streamer extension length, streamer current and charge, etc.) were measured as a function of the distance between the PE wire and the grounded side electrode. Streamer polarity and the position of the side electrode significantly affected both streamer generation and propagation. The creepage characteristics were also examined using two methods of voltage application. Differences in the test results of each method were attributed to the position of the side electrode. The potential distribution inside the streamer channel and the streamer propagation velocity were measured by means of a potential probe. Streamer velocity was found to be constant and the streamer channel was not equipotential.

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Section: Dischargesupporting

confidence: 91%

Characteristics of Creeping Impulse Streamers over the Surface of Oil-Immersed PE Wire

1996

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Prebreakdown events in dielectric fluids

Forster

1993

Journal of Molecular Liquids

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A study of partial discharge measurements in dielectric liquids

Mazzetti

Pompili

Forster

1992

IEEE Trans. Elect. Insul.

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Many studies of partial discharge activity in solid dielectric systems have been published in recent years. Only a few limited reports have appeared in the literature on partial discharges in liquid dielectrics. For this reason an investigation was undertaken to study the partial discharge behavior of some well-defined dielectric fluids such as phenyl xylene ethane, ditolyl ether, mono and dibenzyl toluene and perfluoro polyether. The partial discharge inception and extinction voltages of these fluids were determined under uniform and nonuniform field conditions. The results of this study are presented and their significance is discussed in detail

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Simultaneous measurement of light emission, current pulses and growth of prebreakdown streamers in hexane

Cited by 14 publications

References 2 publications

Characteristics of Creeping Impulse Streamers over the Surface of Oil-Immersed PE Wire

Characteristics of Creeping Impulse Streamers over the Surface of Oil-Immersed PE Wire

Prebreakdown events in dielectric fluids

A study of partial discharge measurements in dielectric liquids

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