NDLI: Sheath Overvoltages in High-Voltage Cables Resulting from Special Sheath-Bonding Connections

Content Provider	IEEE Xplore Digital Library
Author	Ball, E. H. Occhini, E. Luoni, G.
Copyright Year	1963
Abstract	Systems of sheath bonding which eliminate sheath losses in single-core cables cause sheath overvoltages as a result of transients and faults. Equations for transient sheath voltages are derived for the first incident wave, through the use of equivalent circuits to represent bonding points. The method is extended to subsequent reflections with a digital computer; calculated results are given for several values of the relevant parameters, and the effect of these parameters is discussed. Transient sheath voltages can be limited by the surge diverter described in this paper; and the necessary sheath insulation levels, with and without surge diverters, are discussed. Equations for sheath overvoltages caused by external steady-state faults are given. Calculated and measured sheath voltages when compared, show reasonable agreement for both transient and steady-state cases.
Starting Page	974
Ending Page	988
Page Count	15
File Size	2688414
File Format	PDF
ISSN	00189510
Volume Number	84
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1965-10-01
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surges Cables Voltage Bonding Circuit faults Equations Steady-state Equivalent circuits Reflection Insulation
Content Type	Text
Resource Type	Article
Subject	Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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