NDLI: Research on the reignition condition for DC arc forcing interruption

Content Provider	IEEE Xplore Digital Library
Author	Liu Bin Wu Jianwen Xin Chao Zhu Liying
Copyright Year	2012
Description	Author affiliation: School of Automation Science and Electrical Engineering, Beihang University, Beijing, 100191, China (Liu Bin; Wu Jianwen; Xin Chao; Zhu Liying)
Abstract	The characteristics of arc quench time, overvoltage and reignition condition in forcing interrupt 270V DC system with vacuum switch was investigated in this paper. The experiment focused on the Magnitude of the interruption current in DC vacuum arc, variation rate of the current and voltage at zero passage (di/dt, dv/dt), and their influence in the reignition was analyzed. The di/dt was influenced by the parameters in forcing circuit, while the dv/dt not only influenced by the frequency modulation circuits but also the parameters in forcing circuit. The overvoltage contains two type of different frequency waveform, and depended on the precharged voltage and inductance. In the experiment, three types of reignition situation were found, and the reignition was undiscovered under 450A even with the dv/dt at 2000V/us. With the current increase from 540A to 1600A, the dv/dt at reignition decreased, and the time between peak voltage and reignition point decreased too, from 850ns to 50ns. While in the test, the reignition became very easy above 2100A. Finally the test gap and frequency-modulation of TRV was also researched. Large gap (3mm) and low TRV will be useful to prevent the arc reignition.
Starting Page	169
Ending Page	172
File Size	454334
Page Count	4
File Format	PDF
ISBN	9781467312639
ISSN	10932941
e-ISBN	9781467312660
e-ISBN	9781467312653
DOI	10.1109/DEIV.2012.6412479
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-02
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interrupters Voltage control Frequency modulation Inductance Vacuum arcs Time frequency analysis
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Software

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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