Publication

Calculation of the Propagation Constant of Buried Insulated Conductors

Michel Ianoz
1983

Abstract

The propagation constant is one of the most important parameters for the calculation of a shielded cable response to an incident EMP wave. The aim of this work is to propose an iterative calculation method of the propagation constant of cables with an arbitrary number of layers buried in an infinite earth. Comparison of the results with calculations for single layer shielded cables using Sunde's formulae and curves published by Head show a very good agreement. It is also shown that the use of Sunde's approximative expressions, where possible, results in an important economy of computing time.

Official source

https://infoscience.epfl.ch/entities/publication/adb40028-02b8-4519-95ac-2a5d5b6586a8

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Michel Ianoz
1983

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/adb40028-02b8-4519-95ac-2a5d5b6586a8

About this result

Related concepts (32)

Electrical cable

An electrical cable is an assembly of one or more wires running side by side or bundled, which is used to carry electric current. One or more electrical cables and their corresponding connectors may be formed into a cable assembly, which is not necessarily suitable for connecting two devices but can be a partial product (e.g. to be soldered onto a printed circuit board with a connector mounted to the housing). Cable assemblies can also take the form of a cable tree or cable harness, used to connect many terminals together.

Power cable

A power cable is an electrical cable, an assembly of one or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of electrical power. Power cables may be installed as permanent wiring within buildings, buried in the ground, run overhead, or exposed. Power cables that are bundled inside thermoplastic sheathing and that are intended to be run inside a building are known as NM-B (nonmetallic sheathed building cable).

High-voltage cable

A high-voltage cable (HV cable) is a cable used for electric power transmission at high voltage. A cable includes a conductor and insulation. Cables are considered to be fully insulated. This means that they have a fully rated insulation system that will consist of insulation, semi-con layers, and a metallic shield. This is in contrast to an overhead line, which may include insulation but not fully rated for operating voltage (EG: tree wire).

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