Search Results - "Electrical Contacts - 2007 Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts"

Arc Fault Detection and Discrimination Methods by Restrepo, C.E.

“…Arc waveform characteristics can be evaluated with various methods to recognize the presence of hazardous arc fault conditions. Discussion covers the arc…”
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Effect of Dust Contamination on Electrical Contact Failure by Ji Gao Zhang

“…Dust contamination is a major cause of current disruption in electric contacts. It is fast becoming the greatest influence on their reliability. However, due…”
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Modeling the Arc Splitting Process in Low-Voltage Arc Chutes by Mutzke, A., Ruther, T., Kurrat, M., Lindmayer, M., Wilkening, E.-D.

“…Investigations on the arc splitting process in low- voltage arc chutes have shown that a threshold voltage has to be exceeded before new arc roots form. When…”
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Minimization of arc extinction gap in the opening speed range 1 cm/s - 1 m/s by Sallais, D., Ben Jemaa, N., Carvou, E.

“…Speed separation in switches and relays is a fundamental parameter to improve breaking devices performances by reducing extinction gap and arc duration. It is…”
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Electro-mechanical modelling of multilayer contacts in electrical connectors by Ossart, F., Noel, S., Alamarguy, D., Correia, S., Gendre, P.

“…Electrical contacts are an essential part of electrical circuits and many reliability problems are related to their failure. The present work uses numerical…”
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The Relationship between Contact Resistance and Contact Force on Au coated Carbon Nanotube surfaces by Yunus, E.M., McBride, J.W., Spearing, S.M.

“…Carbon-nanotube (CNT) coated surfaces are investigated to determine the electrical contact performance under low force conditions. The surfaces under…”
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Dynamic Characteristic and Contact Bounce Analysis for an AC Contactor with PWM Controlled Coil by Yingyi Liu, Degui Chen, Liang Ji, Yingsan Geng

“…In the optimum design of AC contactors, it is important to analyze the dynamic behavior. Moreover, movable contact and core bounces have remarkable effect on…”
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The Effect of Initial Connector Insertions on Electrical Contact Resistance by Jackson, R.L., Ashurst, W.R., Flowers, G.T., Angadi, S., Song-yul Choe, Bozack, M.J.

“…This work attempts to quantify the effect of repeated initial connector insertions and roughness on electrical contact resistance. Experimental measurements…”
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A study of Time/Current Characteristics of the Ignition Processes in Cellulosic Material Caused by Electrical Arcing for Application in 240V Arc-Fault Circuit Interrupters by Kolker, D., Campolo, S., DiSalvo, N.

“…In the development of Arc-Fault Circuit interrupters (AFCIs), one of the most important parameters is the time that an arcing fault could persist before the…”
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The characterization of the dynamic arc-anode interaction and using plasma deposition of nanocomposites to tailor materials properties by Heberlein, Joachim

“…Summary form only given, as follows. The first part of this lecture is concerned with characterizing the instabilities which are observed with an arc…”
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Weibull Analysis of Switching Contact Resistance in Laboratory and Commercial Circuit Breakers by Leung, C.H., Streicher, E., Fitzgerald, D.

“…Silver/tungsten powder metal electric contacts are used in circuit breakers because of their combination of high conductivity from silver, and high melting…”
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An experimental study of the minimum arc current of silver contacts with different opening speeds by Hasegawa, M.

“…In order to study the influence of contact opening speed on occurrence rates of break arcs, Ag contacts were operated to break inductive DC load currents from…”
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Comparison of Brush Dynamic Operation Characterisitics for Turbine Generator Steel Collector Ring by Morita, N., Ueno, T., Otaka, T., Arata, M.

“…In large turbine generators for thermal or nuclear power plants, such as 1000 MVA power plants, brush & collector ring sliding contact operation…”
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A study of sliding characteristics of small-size slip-ring system for electric power supply by Kobayashi, T., Sawa, K., Endo, K., Gun Ou, Hagino, H.

“…An electric sliding system is used to transfer electrical power or signal between a moving object and a stationary object. Long life time and improvement of…”
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Microscopy Study of Fretting Corrosion of Tin Plated Contacts by Ito, T., Hattori, Y., Iida, K., Saitoh, Y.

“…In recent years, there has been increasing demand to miniaturize wiring harness connectors in automobiles due to the increasing volume of electronic equipment…”
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The Effect of Contact Closure in Vacuum with Fault Current on Prestrike Arcing Time, Contact Welding and the Field Enhancement Factor by Slade, Paul G., Smith, R. Kirkland, Taylor, Erik D.

“…Experiments were performed with vacuum interrupters containing Cu-Cr (25 wt%) and W-Cu (10 wt%) contacts. The vacuum interrupters were placed in a spring…”
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Time and Level Analysis of Contact Voltage Intermittences Induced by Fretting in Power Connector by Carvou, E., Ben Jemaa, N.

“…It is well known that vibrations of contact interfaces are the main cause of contact degradation by the so called fretting corrosion phenomena. In fact the…”
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Characterization of Glowing Contacts using Optical Emission Spectroscopy by Xin Zhou, Shea, J.

“…Glowing contacts are an interesting and complex phenomenon. They may be associated with residential arc faults and fire hazards. Previous investigation has…”
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Thermal Analysis of Sealed Electromagnetic Relays Using 3-D Finite Element Method by Huimin Liang, Wenlong Wang, Guofu Zhai

“…Up to now, it is difficult to test the inner temperatures of sealed electromagnetic relays. In this paper, the temperature distribution of a sealed…”
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Properties of Short Arc Phenomena on AgCu Electrical Contact Pairs for Automotive Electronics Devices by Murakami, Motoyoshi, Ryonai, Hiroshi, Kubono, Takayoshi, Sekikawa, Junya

“…Characteristics of arcs occurring between electrical contacts affect the reliability and lifetime of automotive electronic devices. Accordingly, it is…”
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