IEC TR 62095 : 1.0
IEC TR 62095 : 1.0
ELECTRIC CABLES - CALCULATIONS FOR CURRENT RATINGS - FINITE ELEMENT METHOD
International Electrotechnical Committee
ELECTRIC CABLES - CALCULATIONS FOR CURRENT RATINGS - FINITE ELEMENT METHOD
International Electrotechnical Committee
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
Determines the conductor temperature for a given current loading or, conversely, the determination of the tolerable load current for a given conductor temperature.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 20 |