Experimental Study on Root Profile of Molten Bridge under Different Current at Low Opening Speed

Xinyun ZHANG; Xue ZHOU; Xinglei CUI; Rui LI; Guofu ZHAI

doi:10.1587/transele.E97.C.867

Experimental Study on Root Profile of Molten Bridge under Different Current at Low Opening Speed

Xinyun ZHANG, Xue ZHOU, Xinglei CUI, Rui LI, Guofu ZHAI

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Summary :

To study the molten bridge phenomenon of contacts at the initial breaking process, an experimental device of molten bridge between slowly opening contacts was developed. The system consists of the contact moving control module, the circuit load and the observation module. The molten bridge of copper contact under two load conditions 9 V/19 A and 9 V/7.3 A were studied. The voltage and current characteristics curves of Cu molten bridge were extracted and the resistance and the instantaneous power of the molten bridge were analyzed. The image of the Cu molten bridge diameter was captured by CCD under 9 V/19 A and the influences of the contact force and the separation speed on the molten bridge length and the crater diameter of the anode were studied. The root profile of the Cu contacts after separation was analyzed by digital microscope. Research results show that the Cu molten bridge length has the same changing trend as the diameter of the anode crater. They both decrease with the increment of the separation speed and the decrement of the contact force.

Publication: IEICE TRANSACTIONS on Electronics Vol.E97-C No.9 pp.867-872

Publication Date: 2014/09/01

Publicized

Online ISSN: 1745-1353

DOI: 10.1587/transele.E97.C.867

Type of Manuscript: Special Section PAPER (Special Section on Recent Development of Electro-Mechanical Devices (IS-EMD2013))

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Authors

Xinyun ZHANG
  Harbin Institute of Technology
Xue ZHOU
  Harbin Institute of Technology
Xinglei CUI
  Harbin Institute of Technology
Rui LI
  Harbin Institute of Technology
Guofu ZHAI
  Harbin Institute of Technology

Keyword

bridge, contact force, separation speed, root profile, Cu

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Xinyun ZHANG, Xue ZHOU, Xinglei CUI, Rui LI, Guofu ZHAI, "Experimental Study on Root Profile of Molten Bridge under Different Current at Low Opening Speed" in IEICE TRANSACTIONS on Electronics, vol. E97-C, no. 9, pp. 867-872, September 2014, doi: 10.1587/transele.E97.C.867.
Abstract: To study the molten bridge phenomenon of contacts at the initial breaking process, an experimental device of molten bridge between slowly opening contacts was developed. The system consists of the contact moving control module, the circuit load and the observation module. The molten bridge of copper contact under two load conditions 9 V/19 A and 9 V/7.3 A were studied. The voltage and current characteristics curves of Cu molten bridge were extracted and the resistance and the instantaneous power of the molten bridge were analyzed. The image of the Cu molten bridge diameter was captured by CCD under 9 V/19 A and the influences of the contact force and the separation speed on the molten bridge length and the crater diameter of the anode were studied. The root profile of the Cu contacts after separation was analyzed by digital microscope. Research results show that the Cu molten bridge length has the same changing trend as the diameter of the anode crater. They both decrease with the increment of the separation speed and the decrement of the contact force.
URL: https://globals.ieice.org/en_transactions/electronics/10.1587/transele.E97.C.867/_p

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@ARTICLE{e97-c_9_867,
author={Xinyun ZHANG, Xue ZHOU, Xinglei CUI, Rui LI, Guofu ZHAI, },
journal={IEICE TRANSACTIONS on Electronics},
title={Experimental Study on Root Profile of Molten Bridge under Different Current at Low Opening Speed},
year={2014},
volume={E97-C},
number={9},
pages={867-872},
abstract={To study the molten bridge phenomenon of contacts at the initial breaking process, an experimental device of molten bridge between slowly opening contacts was developed. The system consists of the contact moving control module, the circuit load and the observation module. The molten bridge of copper contact under two load conditions 9 V/19 A and 9 V/7.3 A were studied. The voltage and current characteristics curves of Cu molten bridge were extracted and the resistance and the instantaneous power of the molten bridge were analyzed. The image of the Cu molten bridge diameter was captured by CCD under 9 V/19 A and the influences of the contact force and the separation speed on the molten bridge length and the crater diameter of the anode were studied. The root profile of the Cu contacts after separation was analyzed by digital microscope. Research results show that the Cu molten bridge length has the same changing trend as the diameter of the anode crater. They both decrease with the increment of the separation speed and the decrement of the contact force.},
keywords={},
doi={10.1587/transele.E97.C.867},
ISSN={1745-1353},
month={September},}

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TY - JOUR
TI - Experimental Study on Root Profile of Molten Bridge under Different Current at Low Opening Speed
T2 - IEICE TRANSACTIONS on Electronics
SP - 867
EP - 872
AU - Xinyun ZHANG
AU - Xue ZHOU
AU - Xinglei CUI
AU - Rui LI
AU - Guofu ZHAI
PY - 2014
DO - 10.1587/transele.E97.C.867
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E97-C
IS - 9
JA - IEICE TRANSACTIONS on Electronics
Y1 - September 2014
AB - To study the molten bridge phenomenon of contacts at the initial breaking process, an experimental device of molten bridge between slowly opening contacts was developed. The system consists of the contact moving control module, the circuit load and the observation module. The molten bridge of copper contact under two load conditions 9 V/19 A and 9 V/7.3 A were studied. The voltage and current characteristics curves of Cu molten bridge were extracted and the resistance and the instantaneous power of the molten bridge were analyzed. The image of the Cu molten bridge diameter was captured by CCD under 9 V/19 A and the influences of the contact force and the separation speed on the molten bridge length and the crater diameter of the anode were studied. The root profile of the Cu contacts after separation was analyzed by digital microscope. Research results show that the Cu molten bridge length has the same changing trend as the diameter of the anode crater. They both decrease with the increment of the separation speed and the decrement of the contact force.
ER -