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BS EN IEC 62271-209:2019+A1:2022

BS EN IEC 62271-209:2019+A1:2022

$142.49

High-voltage switchgear and controlgear – Cable connections for gas-insulated metal-enclosed switchgear for rated voltages above 52 kV – Fluid-filled and extruded insulation cables – Fluid-filled and dry-type cable terminations

Published By Publication Date Number of Pages
BSI 2022 32
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Blank Page
8 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
10 English
CONTENTS
12 FOREWORD
14 1 Scope
2 Normative references
15 3 Terms and definitions
16 4 Normal and special service conditions
4.1 General
4.2 Normal service conditions
4.3 Special service conditions
5 Ratings
5.1 General
17 5.2 Rated voltage of the equipment of the cable connection (Urm)
5.3 Rated insulation level (Ud, Up, Us)
5.4 Rated frequency (fr)
5.5 Rated continuous current (Ir)
5.6 Rated short-time withstand current (Ik)
5.7 Rated peak withstand current (Ip)
5.8 Rated duration of short circuit (tk)
18 6 Design and construction
6.1 Gas and vacuum tightness
6.101 Limits of supply
6.101.1 General
6.101.2 Over-voltage protection and earthing
19 6.102 Filling pressure of insulating gas in the cable connection enclosure
6.103 Pressure withstand requirements
6.104 Mechanical forces on cable terminations
Figure 1 – Operating pressure of the SF6 gas insulation in the cable connection enclosure
20 6.105 Switchgear connection interface and cable termination connection interface
7 Type tests
7.1 General
7.2 Electrical type tests of cable terminations
7.2.1 General
7.2.2 Electrical type test of cable terminations in a single-phase enclosure
7.2.3 Electrical type test of cable termination in a three-phase enclosure
Figures
21 7.2.4 Additional electrical type tests on the insulator to be installed by switchgear manufacturer (plug in cable termination)
7.3 Pressure test on the insulator of a cable termination
Tables
Table 1 – Test voltages for additional electrical type tests according to 7.2.4
22 7.4 Leak rate type test on the insulator of a cable termination
8 Routine tests
8.1 General
8.2 Pressure test
8.3 Visual inspection
9 Standard dimensions
9.1 General
9.2 Fluid-filled cable terminations
23 9.3 Dry-type cable terminations
9.4 Three-phase cable connection enclosure
10 Information to be given with enquiries, tenders and orders
11 Rules for transport, storage, erection, service and maintenance
11.1 General
24 11.2 Tests after cable system installation
12 Safety practices and constraints during installation of cable connection to switchgear
13 Influence of the product on the environment
25 Figure 2 – Fluid-filled cable connection assembly – Typical arrangement
26 Figure 3 – Fluid-filled cable connection – Assembly dimensions
27 Figure 4 – Dry-type cable connection assembly – Typical arrangement
28 Figure 5 – Dry-type cable connection assembly – Assembly dimensions
29 Annex A (informative) Mechanical forces applied on the flange of the cable connection enclosure
A.1 General
A.2 Recommendation when connecting cable systems to switchgear
30 Table A.1 – Moment and forces applied on the flange of the cable connection enclosure attached to the cable termination during normal operation
31 Bibliography

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BS EN IEC 62271-209:2019+A1:2022
$142.49