1、 IEC 60502-4 Edition 3.0 2010-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Power cables with extruded insulation and their accessories for rated voltages from 1 kV (U m= 1,2 kV) up to 30 kV (U m= 36 kV) Part 4: Test requirements on accessories for cables with rated voltages from 6 kV (U m= 7,2 kV)
2、 up to 30 kV (U m= 36 kV) Cbles dnergie isolant extrud et leurs accessoires pour des tensions assignes de 1 kV (U m= 1,2 kV) 30 kV (U m= 36 kV) Partie 4: Exigences dessai pour accessoires de cbles de tensions assignes de 6 kV (U m = 7,2 kV) 30 kV (U m= 36 kV) IEC 60502-4:2010 THIS PUBLICATION IS COP
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17、Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60502-4 Edition 3.0 2010-12 INTERNATIONAL STANDARD NORME INTERNATIONALE Power cables with extruded insulation and their accessories for rated voltages from 1 kV (U m= 1,2 kV) up to 30 kV (U m= 36 kV) Part 4: Test requirements on access
18、ories for cables with rated voltages from 6 kV (U m= 7,2 kV) up to 30 kV (U m= 36 kV) Cbles dnergie isolant extrud et leurs accessoires pour des tensions assignes de 1 kV (U m= 1,2 kV) 30 kV (U m= 36 kV) Partie 4: Exigences dessai pour accessoires de cbles de tensions assignes de 6 kV (U m = 7,2 kV)
19、 30 kV (U m= 36 kV) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE V ICS 29.060.20 PRICE CODE CODE PRIX ISBN 978-2-88912-294-3 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 6
20、0502-4 IEC:2010 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Types of accessory 9 5 Voltage designations and maximum conductor temperatures . 9 5.1 Rated voltages 9 5.2 Maximum conductor temperatures 9 6 Assembly of accessories to be tested 9 6.1 Identif
21、ication . 9 6.2 Installation and connections . 10 7 Range of approval 11 8 Test sequences 12 9 Test results 13 9.1 General remarks 13 9.2 Accessory failure . 13 9.3 Cable failure . 13 Annex A (informative) Identification of test cable 30 Bibliography 31 Figure 1 Test arrangements and number of sampl
22、es for terminations (see Table 5) . 24 Figure 2 Test arrangements and number of samples for straight or branch joints (see Table 6) . 25 Figure 3 Test arrangements and number of samples for stop ends (see Table 7) . 26 Figure 4 Test arrangements and number of samples for screened deadbreak separable
23、 connectors (see Table 8) . 27 Figure 5 Test arrangements and number of samples for unscreened deadbreak separable connectors (see Table 9) . 28 Figure 6 Test arrangements and number of samples for loadbreak separable connectors (see Table 10) 29 Table 1 Conductor cross-sectional area for testing of
24、 separable connectors 10 Table 2 Range of compliance for separable connectors 11 Table 3 Range of approval for cable insulation 12 Table 4 Test sequences . 12 Table 5 Test sequences and requirements for terminations 14 Table 6 Test sequences and requirements for straight or branch joints 15 Table 7
25、Test sequence and requirements for stop ends 16 Table 8 Test sequences and requirements for screened deadbreak separable connectors. 16 Table 9 Test sequences and requirements for unscreened separable connectors (excluding shrouded terminations) . 18 Table 10 Test sequences and requirements for load
26、break separable connectors 19 60502-4 IEC:2010 3 Table 11 Additional tests for smaller and/or larger conductor cross-sectional areas (see 7.1) . 20 Table 12 Additional tests for different types of cable insulation semiconducting screen and approval from round to shaped conductors (not applicable to stop ends, see 7.1 and 7.3) . 21 Table 13 Summary of tests 22 Table 14 Summary of test voltages and requirements (see Clause 9) . 23
