IEC
Edition 3.0 2021-02 INTERNATIONAL STANDARD
from 1 kV (Us = 1,2 kV)up to 30 kV (Us = 36 kV) Part 1: Cables for rated voltages of 1 kV (Us = 1,2 kV) and 3 kV (Us = 3,6 kV)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
ICS 29.060.20 ISBN 978-2-8322-9315-7
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-2-IEC 60502-1:2021 IEC 2021 CONTENTS
FOREWORD.4 1Scope.6 2Normative references ..6 3Terms and definitions ..... 4Voltage designations and materials.... 5Conductors.12 9Insulation..12 7Assembly of multicore cables, inner coverings and fillers...14 8Metal layers for single-core and multicore cables.. 9Metal screen.16 10Concentric conductor...17 11Metal sheath.17 12Metal armour 13Oversheath...21 14Test conditions.22 15Routine tests....22 16Sample tests.24 17Type tests, electrical.27 18Type tests, non-electrical.29 19Electrical tests after installation..35 Annex A (normative) Fictitious calculation method for determination of dimensions of protective coverings....45 Annex B (normative) Rounding of numbers....51 Annex C (normative) Determination of hardness of HEPR insulation....52 Bibliography...55
Figure C.1 - Test on surfaces of large radius of curvature.9 Figure C.2 - Test on surfaces of small radius of curvature...54 Table 1 - Remended rated AC voltages Uo...10 Table 2 - Insulating pounds.11 Table 3 - Maximum conductor temperatures for different types of insulating pound Table 4 - Sheathing pounds and maximum conductor temperatures for different types of sheathing pound .12 Table 5 - Nominal thickness of PVC/A insulation... Table 6 - Nominal thickness of cross-linked polyethylene (XLPE) insulation .13 Table 7 - Nominal thickness of ethylene propylene rubber (EPR) and hard ethylene propylene rubber (HEPR) insulation..... 14 Table 8 - Thickness of extruded inner covering..... 15 Table 9 - Nominal diameter of round armour wires....20 Table 10 - Nominal thickness of armour tapes20 Table 11 - Routine test voltages.
IEC 60502-1:20210IEC 2021 Table 12 - Number of samples for sample tests.24 Table 13 - Electrical type test requirements for insulating pounds.95 Table 14 - Non-electrical type tests (see Tables 15 to 23)....37 Table 15 - Test requirements for mechanical characteristics of insulating pounds.38 (before and after ageing). Table 16 - Test requirements for particular characteristics of PVC insulating pounds.....39 Table 17 - Test requirements for particular characteristics of various cross-linked insulating pounds..40 Table 18 - Test requirements for mechanical characteristics of sheathing pounds (before and after ageing)... Table 19 - Test requirements for particular characteristics of PVC sheathing pounds....42 Table 20 - Test requirements for particular characteristics of thermoplastic PE sheathing pounds .43 pounds .......43 Table 22 -- Test requirements for particular characteristics of elastomeric sheathing pounds ....44 Table 23 - Test methods and requirements for halogen free pounds... 44 Table A.1 - Fictitious diameter of conductor....46 Table A.2 - Assembly coefficient for laid-up cores...47 Table A.3 - Increase of diameter for concentric conductors and metal screens.. 48 Table A.4 - Increase of diameter for additional bedding...50
-- 4 --IEC 60502-1:2021IEC 2021 INTERNATIONAL ELECTROTECHNICAL COMMISSION
POWERCABLESWITHEXTRUDEDINSULATION ANDTHEIRACCESSORIESFORRATEDVOLTAGES FROM 1 kV (V--1,2 kV) UP TO 30 kV (V--36 kV) -- Part 1:Cables for ratedvoltagesof 1kV (Up -- 1,2 kV) and 3 kV (Vm -- 3.6 kV) FOREWORD
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英文原版 IEC 60502-1:2021 额定电压为1kV(U_s=1.2kV)至30kV(U_s=36kV)的挤出绝缘电力电缆及其附件从1千伏(Us=1.2千伏)到30千伏(Us=36千伏) -第1部分:适用于额定电压为1kV(Us=1.2kV)和3kV(Us=3.6kV)的电缆.pdf
