Experimental Investigation of the Influence of Several Factors on the Arc Motion of a Model Quenching Chamber with Gas-Driven Arc

Degui CHEN, Zhipeng LI, Hongwu LIU

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Summary :

In order to get the knowledge of gas dynamics in interruption process of molded case circuit breakers, a quenching chamber model with gas-driven arc is proposed. The two-dimensional optical fiber digital testing system has been used to measure the arc current, arc voltage, pressure in the quenching chamber, and the movement of the arc when interrupting the 10 kA prospective current in different conditions. The influence of venting conditions, the configuration of splitter plates and gassing material characteristics on the performance of gas-driven arc has investigated. It demonstrates that the performance can be improved effectively by the ways of closing the bottom venting, adopting shorter splitter plate configuration, and POM and Nylon gassing materials.

Publication
IEICE TRANSACTIONS on Electronics Vol.E87-C No.8 pp.1336-1341
Publication Date
2004/08/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on IS-EMD2003--Recent Technical Trend of Electro-Mechanical Devices)
Category
Contactor and Relay

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