NDLI: In search for performance indicators of short-circuit current interruption in vacuum

Content Provider	IEEE Xplore Digital Library
Author	Smeets, R.P.P. van Lanen, E.P.A. Popov, M. van der Sluis, L.
Copyright Year	2008
Description	Author affiliation: Univ. of Twente, Enschede (van Lanen, E.P.A.) \|\| KEMA T&D Testing, Arnhem (Smeets, R.P.P.) \|\| Delft Univ. of Technol., Delft (Popov, M.; van der Sluis, L.)
Abstract	Current interruption in vacuum is characterized by a very rapid transition from an almost perfectly conducting arc plasma state to a very good insulating state. During the transition, the recovery process determines the success of the interruption. The aim of this contribution is to derive characteristics from measurements of the initial ("current zero") stage of this recovery process, having the potential to indicate the quality of the interruption. In the case of vacuum, a large number of measurements has been performed giving detailed information on the recovery process during the decay period of the post-arc plasma. The best-known indicator is the post-arc current, drawn from the decaying residual plasma by the transient recovery voltage. It turned out from measurement statistics, that post-arc current quantities (duration, peak value, charge) alone are not suitable as performance indicators. In addition, the role of conductivity (evolution) is examined, also showing not a very strong relationship with performance. It must be concluded that current-zero performance indicators for vacuum interruption are more difficult to define than for SF6 interruption. This suggests that vacuum interruption success is strongly related to di-electrical stesses, that are still relatively mild in the current zero period of a few microseconds duration.
Starting Page	79
Ending Page	82
File Size	306713
Page Count	4
File Format	PDF
ISBN	9789737553829
ISSN	10932941
DOI	10.1109/DEIV.2008.4676724
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-15
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasma measurements Current measurement Vacuum arcs Plasma properties Insulation Performance evaluation Voltage Charge measurement Statistics Conductivity
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Software

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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Current-Zero Characteristics of a Vacuum Circuit Breaker at Short-Circuit Current Interruption

The Electrode Surface State after Current Interruption in Vacuum Circuit Breaker

Arc memory effect on postarc current in vacuum circuit breaker-simulation and experiment

Vacuum circuit breaker current-zero phenomena

Evaluation of residual charge after a forced extinguishing of the vacuum arc

Study of shield potential to understand the arcing behaviour of vacuum interrupters during short-circuit current interruption

High current interruption performance of vacuum interrupter with double-TMF contacts

Measurements and modelling in the current zero region of vacuum circuit breakers for high current interruption

Further experiments in high current switching using small contact gaps

In search for performance indicators of short-circuit current interruption in vacuum

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