NDLI: Conditioning development in vacuum based on breakdown probability distribution

Content Provider	IEEE Xplore Digital Library
Author	Kojima, H. Otake, Y. Sakaki, M. Saito, H. Hasegawa, K. Hayakawa, N.
Copyright Year	2014
Description	Author affiliation: Nagoya Univ., Nagoya, Japan (Kojima, H.; Otake, Y.; Hayakawa, N.) \|\| Meidensha Corp., Numazu, Japan (Sakaki, M.; Saito, H.; Hasegawa, K.)
Abstract	Spark conditioning is important for the enhancement of insulation strength in vacuum. In order to enhance the insulation performance of vacuum circuit breakers, we have to clarify the conditioning effect and improve a conditioning procedure. In this paper, we discuss the conditioning process of Cu and stainless steel rod electrodes based on breakdown (BD) probability distribution. We applied a negative impulse voltage to a rod-plane electrode configuration. We adopted two procedures for the voltage application, i.e. up-down and 3 times methods. For the Cu rod with the up-down method, BD voltage increased by the conditioning effect, however, the minimum BD voltage did not increase or even decreased due to the damage by BD. A moderate conditioning procedure, e.g. 3 times method, could increase the minimum BD voltage as well as the stabilization of insulation strength. The Weibull analysis of the development of a BD probability distribution has enabled us to evaluate the damaging effect. Based on these results, we can discuss a suitable conditioning procedure.
Sponsorship	Plansee
Starting Page	13
Ending Page	16
File Size	559300
Page Count	4
File Format	PDF
ISBN	9781479967506
e-ISBN	9781479967520
DOI	10.1109/DEIV.2014.6961607
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-28
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Steel Insulation Probability distribution Discharges (electric) Electric fields
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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