NDLI: Breakdown probability and size effect in liquid helium

Content Provider	IEEE Xplore Digital Library
Author	Gerhold, J. Hubmann, M. Telser, E.
Copyright Year	1994
Abstract	Breakdown statistics in liquid helium have been evaluated in order to correlate with size effect degradation, i.e. the area and the volume effect, respectively. Reprocessing large number of data sets yielded the popular two parameter Weibull distribution not being representative; more sophisticated functions, e.g. the Gompertz function had to be used in order to fit the data. A considerable amount of data were found to be not homogeneous, and a sum of 2-parameter Weibull subdistributions had to be defined. These results are discussed in detail. No formal straightforward correlation with the known size effect could be established. Special emphasis has been attributed to the low breakdown probability limit in order to meet engineering design needs. There seems to be a kind of threshold, but size degradation cannot be ruled out, and long term performance has still to be proven.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
Starting Page	321
Ending Page	333
Page Count	13
File Size	1581647
File Format	PDF
ISSN	10709878
Volume Number	5
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric breakdown Helium Breakdown voltage Testing Statistical distributions Degradation Extrapolation Probability Electrodes Scattering
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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