Arc Duration and Rotational Frequency of Break Arcs Driven by Radial Magnet Field in a DC42 V Resistive Circuit

Naoya TAKESHITA; Junya SEKIKAWA; Takayoshi KUBONO

doi:10.1587/transele.E94.C.1388

Arc Duration and Rotational Frequency of Break Arcs Driven by Radial Magnet Field in a DC42 V Resistive Circuit

Naoya TAKESHITA, Junya SEKIKAWA, Takayoshi KUBONO

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Break arcs are rotated with the radial magnetic field formed by a magnet embedded in the fixed contact. They are generated in a DC42 V resistive circuit. The circuit current when the contacts are closed varies from 5 A to 21 A. The strength of a radial magnetic field for rotating break arcs changes. Arc duration is investigated. Then rotational frequency, arc length and Lorentz force when the periodic rotation of break arcs starts are analyzed to investigate the conditions required to rotate break arcs. The following results are obtained. The arc length L when the rotational motion of the break arc starts is almost constant at a constant magnetic flux density with an increase in circuit current. The arc length L decreases with an increase in the magnetic flux density of the radial magnetic field. The rotational motion of break arcs starts when the arc length L reaches a certain value determined by magnetic flux density. Rotational frequency and Lorentz force increase linearly with an increase in circuit current.

Publication: IEICE TRANSACTIONS on Electronics Vol.E94-C No.9 pp.1388-1394

Publication Date: 2011/09/01

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Online ISSN: 1745-1353

DOI: 10.1587/transele.E94.C.1388

Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices – Papers selected from International Session on Electro-Mechanical Devices (IS-EMD2010) and other research results –)

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Naoya TAKESHITA, Junya SEKIKAWA, Takayoshi KUBONO, "Arc Duration and Rotational Frequency of Break Arcs Driven by Radial Magnet Field in a DC42 V Resistive Circuit" in IEICE TRANSACTIONS on Electronics, vol. E94-C, no. 9, pp. 1388-1394, September 2011, doi: 10.1587/transele.E94.C.1388.
Abstract: Break arcs are rotated with the radial magnetic field formed by a magnet embedded in the fixed contact. They are generated in a DC42 V resistive circuit. The circuit current when the contacts are closed varies from 5 A to 21 A. The strength of a radial magnetic field for rotating break arcs changes. Arc duration is investigated. Then rotational frequency, arc length and Lorentz force when the periodic rotation of break arcs starts are analyzed to investigate the conditions required to rotate break arcs. The following results are obtained. The arc length L when the rotational motion of the break arc starts is almost constant at a constant magnetic flux density with an increase in circuit current. The arc length L decreases with an increase in the magnetic flux density of the radial magnetic field. The rotational motion of break arcs starts when the arc length L reaches a certain value determined by magnetic flux density. Rotational frequency and Lorentz force increase linearly with an increase in circuit current.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/transele.E94.C.1388/_p

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@ARTICLE{e94-c_9_1388,
author={Naoya TAKESHITA, Junya SEKIKAWA, Takayoshi KUBONO, },
journal={IEICE TRANSACTIONS on Electronics},
title={Arc Duration and Rotational Frequency of Break Arcs Driven by Radial Magnet Field in a DC42 V Resistive Circuit},
year={2011},
volume={E94-C},
number={9},
pages={1388-1394},
abstract={Break arcs are rotated with the radial magnetic field formed by a magnet embedded in the fixed contact. They are generated in a DC42 V resistive circuit. The circuit current when the contacts are closed varies from 5 A to 21 A. The strength of a radial magnetic field for rotating break arcs changes. Arc duration is investigated. Then rotational frequency, arc length and Lorentz force when the periodic rotation of break arcs starts are analyzed to investigate the conditions required to rotate break arcs. The following results are obtained. The arc length L when the rotational motion of the break arc starts is almost constant at a constant magnetic flux density with an increase in circuit current. The arc length L decreases with an increase in the magnetic flux density of the radial magnetic field. The rotational motion of break arcs starts when the arc length L reaches a certain value determined by magnetic flux density. Rotational frequency and Lorentz force increase linearly with an increase in circuit current.},
keywords={},
doi={10.1587/transele.E94.C.1388},
ISSN={1745-1353},
month={September},}

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TY - JOUR
TI - Arc Duration and Rotational Frequency of Break Arcs Driven by Radial Magnet Field in a DC42 V Resistive Circuit
T2 - IEICE TRANSACTIONS on Electronics
SP - 1388
EP - 1394
AU - Naoya TAKESHITA
AU - Junya SEKIKAWA
AU - Takayoshi KUBONO
PY - 2011
DO - 10.1587/transele.E94.C.1388
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E94-C
IS - 9
JA - IEICE TRANSACTIONS on Electronics
Y1 - September 2011
AB - Break arcs are rotated with the radial magnetic field formed by a magnet embedded in the fixed contact. They are generated in a DC42 V resistive circuit. The circuit current when the contacts are closed varies from 5 A to 21 A. The strength of a radial magnetic field for rotating break arcs changes. Arc duration is investigated. Then rotational frequency, arc length and Lorentz force when the periodic rotation of break arcs starts are analyzed to investigate the conditions required to rotate break arcs. The following results are obtained. The arc length L when the rotational motion of the break arc starts is almost constant at a constant magnetic flux density with an increase in circuit current. The arc length L decreases with an increase in the magnetic flux density of the radial magnetic field. The rotational motion of break arcs starts when the arc length L reaches a certain value determined by magnetic flux density. Rotational frequency and Lorentz force increase linearly with an increase in circuit current.
ER -