Journal ArticleDOI
Volt-Time Areas of Impulse Spark-Over
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This article is published in Transactions of The American Institute of Electrical Engineers.The article was published on 1941-01-01. It has received 28 citations till now. The article focuses on the topics: Impulse (physics).read more
Citations
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Journal ArticleDOI
The generalized integration method for predicting impulse volt-time characteristics for non-standard wave shapes-a theoretical basis
TL;DR: In this article, a theoretical basis for the integration method of predicting the strength of insulation subjected to impulses of nonstandard wave shapes is presented, and two theoretical approaches are developed for a general physical model of impulse breakdown applicable to gaseous, liquid and solid insulation, and from an energy-balance model applied to an incipient breakdown channel in a general dielectric.
Journal ArticleDOI
Experimental and Analytical Studies of the Effect of Non-Standard Waveshapes on the Impulse Strength of External Insulation
R. O. Caldwell,Mat Darveniza +1 more
TL;DR: In this article, the performance of typical line insulation was determined using standard and non-standard impulse waves viz., long front, partially chopped and oscillatory impulses, which were used to calibrate the analytical models, and then used to predict the performance.
Journal ArticleDOI
Effect of Repeated Impulses on Transformer Insulation
TL;DR: In this paper, an attempt has been made to analyze the degradation of transformer insulation for repeated applications of different impulse voltages, detailed experimental analyses are carried out for OIP insulations using standard test cell for impulse waves of varying front times from 0.064 μs to 1.4 μs and tail times from 6.0 μs-67 μs.
Journal ArticleDOI
Experimental study of breakdown voltage-time characteristics of large air gaps with lightning impulses
T. Suzuki,K. Miyake +1 more
TL;DR: In this paper, the breakdown time of 1 - 5 m rod-plane and rod gaps with lightning impulses was investigated and it was shown that the breakdown times follow a logarithmic normal distribution with a constant impulse level and that the probability of the breakdown can be determined by empirical equation from the mean breakdown time and its standard deviation.
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New challenges in lightning impulse flashover modeling of air gaps and insulators
TL;DR: Lightning overvoltages were causing problems on overhead lines well before Tesla and Edison argued over the merits of ac and dc. Many of the overvoltage protection methods for distribution lines follow the same philosophy as that used for telegraph and telephone lines as mentioned in this paper.
References
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Journal ArticleDOI
Insulation Co-ordination
Philip Sporn,I. W. Gross +1 more
TL;DR: Authors' closure of a paper by Philip Sporn and I. W. Gross published in the June 1937 issue, pages 715-20, and presented for oral discussion at the insulation co-ordination session of the summer convention, Milwaukee, Wis., June 25, 1937.
Related Papers (4)
Co-ordination of Lightning Arrester Location with Transformer Insulation Level
R. L. Witzke,T. J. Bliss +1 more