IEC/TR 61597 Ed. 2.0 en:2021

Current Revision

Overhead electrical conductors - Calculation methods for stranded bare conductors

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IEC/TR 61597 Ed. 2.0 en:2021

Name: IEC/TR 61597 Ed. 2.0 en:2021 – Overhead electrical conductors - Calculation methods for stranded bare conductors
Brand: International Electrotechnical Commission
SKU: IEC/TR 61597 Ed. 2.0 en:2021
Price: 264.88 USD
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Overhead electrical conductors - Calculation methods for stranded bare conductors

PUBLISH DATE 2021

Overhead electrical conductors - Calculation methods for stranded bare conductors

IEC 61597:2021(E) which is a Technical Report provides information with regard to conductors specified in IEC 61089 and other aluminium and aluminium steel conductors. Such information includes properties of conductors and useful methods of calculation.

The following chapters are included in this document:

current carrying capacity of conductors: Calculation method and typical example
alternating current resistance, inductive and capacitive reactances
elongation of conductors: Thermal and stress-strain data
conductor creep
loss of strength of aluminium wires due to high temperatures

It is noted that this document does not discuss all theories and available methods for calculating conductor properties, but provides users with simple methods that provide acceptable accuracies.

This second edition cancels and replaces the first edition published in 1995. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

a) Addition of Clause 2 and Clause 3 since the Normative references and Terms and definitions clauses are mandatory elements of the text according to the new IEC template.
b) In Clause 6, addition of new kinds of aluminium alloy and aluminium clad steel and their values of temperature coefficients of resistance.
c) In Clause 6, addition of guidelines for the calculation of AC resistance taken into account hysteresis and eddy current losses.
d) In Clause 7, addition of the values of coefficient of linear expansion of aluminium alloy conductor aluminium-clad steel reinforced series.
e) Deletion of Clause 8 Calculation of maximum conductor length on drums in the last version.
f) Annex A, replaced by A practical example of CCC calculation.
g) Annex B, replaced by Indicative conditions for CCC calculation.