IEC TR 62095 : 1.0

IEC TR 62095 : 1.0

ELECTRIC CABLES - CALCULATIONS FOR CURRENT RATINGS - FINITE ELEMENT METHOD

International Electrotechnical Committee

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Table of Contents

FOREWORD
1 Introduction
  1.1 General
  1.2 Field of application
  1.3 Information obtained from the finite element method
  1.4 Alternative methods
2 Overview of the finite element method
3 Practical considerations when applying the finite element
  method for cable rating calculations
  3.1 Selection of the region to be discretised
  3.2 Element sizes
  3.3 Boundary conditions
  3.4 Representation of cable losses
  3.5 Selection of a time step
4 Examples of application of the finite element method for
  cable rating calculations
  4.1 Example 1
  4.2 Example 2
  4.3 Example 3
Annex A - Development of equations
  A.1 Heat transfer equations
  A.2 Approximating polynomials
  A.3 Finite element equations
  A.4 Examples
Bibliography

Abstract

Determines the conductor temperature for a given current loading or, conversely, the determination of the tolerable load current for a given conductor temperature.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 20

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