NDLI: Experimental investigation of the dielectric strength of hot SF

Content Provider	IEEE Xplore Digital Library
Author	Simka, P. Seeger, M. Votteler, T. Schwinne, M.
Copyright Year	2012
Description	Author affiliation: ABB Switzerland Ltd, Corporate Research, Baden-Daettwil, Switzerland (Simka, P.; Seeger, M.; Votteler, T.; Schwinne, M.)
Abstract	In SF insulated high voltage circuit breakers the dielectric recovery is a crucial phase during the current interruption process. Due to the complexity of the conditions after current zero, there is still little understanding of the relevant processes determining the dielectric strength of hot SF under these conditions. An experimental setup was constructed in order to investigate the dielectric strength of SF at elevated temperature. The experimental setup consisted of a high current circuit producing a switching arc and accordingly a hot gas cloud as well as a high voltage circuit for testing the breakdown voltage of a plug-plane arrangement (weakly non-uniform field). The breakdown voltage was determined for various temperatures between 300…1700 K at a gas pressure of 0.1 MPa. The obtained breakdown voltages were compared to theoretical estimations. Measurement and prediction show similar trends but the absolute precision was low.
Starting Page	1
Ending Page	4
File Size	941976
Page Count	4
File Format	PDF
ISBN	9781467328524
ISSN	21609241
e-ISBN	9781467328517
DOI	10.1109/ICPADM.2012.6319001
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-24
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric variables measurement Heating dielectric withstand high voltage circuit breaker SF6 hot SF6 dielectric recovery
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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