Standard

IEC 60287-2-3:2024 ED2

Jun 2024 Published

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Language English

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Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels Published IEC 60287-2-3:2024 RLV Redline Publication date: Jun 2024 Language: English Services: Read Online (No printing ), Printed and bound

There are no available corrigendum or amendments for this standard. Any future corrigendum and amendments will be added automatically for subscribers.

Abstract

IEC 60287-2-3:2024 describes a method for calculating the continuous current rating factor for cables of all voltages installed in ventilated tunnels. The method is applicable to any type of cable. The method applies to natural as well as forced ventilation. Longitudinal heat transfer within the cables and the surroundings of the tunnel is assumed to be negligible. All cables are assumed to be identical within the tunnel and it is assumed that the tunnel cross-section does not change with distance along the tunnel.

Document information

Standard from IEC
Published: 28 June 2024
Edition: 2
Version: 1
Document type: IS
Pages
ISBN: 9782832290620

ICS 29.060.20
ISO TC TC 20

Product Relations

Revises: IEC 60287-2-3:2017 ED1

IEC 60287-2-3:2024 ED2

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