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A new computation model of contact breaking arc duration
2015 IEEE International Conference on Information and Automation, 2015A new analytical computation model of contact breaking arc duration is proposed in this paper based on Mayr equations and load circuit equations. The model is obtained by the assumption that electric arc current is varying according to inverse exponential law. The arcing process is divided into three stages to deal with.
Weiwei Fan, Shihua Wu
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Effects of Rotational Motion of Break Arcs on Arc Duration and Contact Erosion
2011 IEEE 57th Holm Conference on Electrical Contacts (Holm), 2011An electrical rivet contact in which a column-shaped permanent magnet is embedded in the rivet shank beneath the contact head is mounted on a relay as the stationary contact. The moving contact is a conventional rivet without the magnet. The magnet forms radial magnetic field to rotate break arcs around the center axis of electrical contacts.
Junya Sekikawa, Takayoshi Kubono
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Improvement in passive arc flash protection through limiting arcing duration
2015 IEEE Petroleum and Chemical Industry Committee Conference (PCIC), 2015In the area of passive arc flash protection, as applied in low-voltage electrical equipment and tested to ANSI/IEEE C37.20.7-2007, IEEE Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Internal Arcing Faults [1], a commonly used approach could be called "contain and direct".
Tim Faber +2 more
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The study of the relationship between arc duration and arc energy of relay and microswitch contacts
Electrical Contacts - 1992 Proceedings of the Thirty-Eighth IEEE Holm Conference on Electrical Contacts, 1992Under conditions of varying the load current, time constant, or other parameters, the arc duration and arc energy of relay and microswitch contacts at make and break are accumulated by means of microcomputer control and a high-speed sampling system. The influence of the variation of parameters on the arc duration and arc energy is analyzed.
H. Fang, J. Jiang, R. Mou
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Onsite Detection Method for Arcing Duration of Circuit Breaker
2020 8th International Conference on Condition Monitoring and Diagnosis (CMD), 2020The arc extinguishing performances are the most important performance of the circuit breaker. However, there is still no methods of onsite detection and evaluation. The arcing time is an important indicator of the arc extinguishing performance of the circuit breaker, which can reflect the characteristic quantity of the arc extinguishing performance of ...
Hongming Ma +4 more
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An Interval Timer for Arc Durartion
Transactions of the American Institute of Electrical Engineers, 1945IN DEVELOPMENT work leading to new and improved designs of equipment involving arc interruption the success of the work is to a large extent influenced by the quality of the instruments used for measurement. The arc-interruption problem is one that has been in existence since the first electric installation.
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A Study of Arc Duration on Supple Carbon Contacts in the Automotive Field
2011 IEEE 57th Holm Conference on Electrical Contacts (Holm), 2011Membrane switching technology is commonly used to operate electrical apparatus such as remote controls, automotive switches, mobile phones, etc. This technology is based on a movable contact, mounted in a supple elastomer frame which allows the contact to be pressed against a stationary contact, mounted on a Printed Circuit Board (PCB). The material of
Praquin, Jérôme +6 more
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Reduction of activated arc durations by modifications of the drift field
International Journal of Electronics, 1977Diffusion of organic vapours and drift of organic ions to contact surfaces are known to be a part of the contact activation phenomenon. The scope of this paper is limited to experiments designed to determine the role played by drifting charged species (organic ions and carbon particles) in arc afterglows.
EOIN W. GRAY, THOMAS F. STROTHERS
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Break arc duration and contact erosion in automotive application
IEEE Transactions on Components, Packaging, and Manufacturing Technology: Part A, 1996Switches and relays connected to complex circuits (motor, resistance, and lamp) and supplied by 14 V dc imposed by the battery voltage are currently used in the automobile field. Arc duration and subsequent erosion measurements for contacts made of pure silver, silver alloys (AgNi, AgCu), and silver metal-oxides (AgCdO, AgSnO/sub 2/) were carried out ...
N.B. Jemaa, L. Nedelec, S. Benhenda
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Probability Distribution of Secondary Arc Duration on Solar Array
46th AIAA Aerospace Sciences Meeting and Exhibit, 2008Secondary arc on satellite solar array is sometimes fatal to spacecraft operation by damaging insulation of solar array string circuit. A proper ground test method is necessary to correctly assess the risk of secondary arc from the probability of occurrence in orbit.
Mengu Cho +4 more
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