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BS EN 50089:2022

BS EN 50089:2022

$102.76

High-Voltage switchgear and controlgear. Insulating pressurised partitions for gas filled metal enclosures

Published By Publication Date Number of Pages
BSI 2022 20
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This document applies to pressurized partitions used in indoor and outdoor installations of high-voltage AC and DC switchgear and controlgear with rated voltages (Ur) above 1 kV AC / 1,5 kV DC and with design pressure higher than 300 kPa, where the gas is used principally for its dielectric and/or arc-quenching properties. The partitions comprise pressurized barriers in electrical equipment not necessarily limited to the following examples: – circuit-breakers; – switch-disconnectors; – disconnectors; – earthing switches; – current transformers; – voltage transformers; – surge arresters; – busbars and connections; – cable connections/terminations; – cable bushings. Partitions which are only pressurized from one side are also covered. 1 kV AC / 1,5 kV DC means it is valid for the apparatus applied and where the partitions are installed; however, the application of voltages below 1 kV AC / 1,5 kV DC as in, for example, current and voltage transformers are not excluded. This document does not apply to high voltage bushings (see EN 60137, EN 61462 and EN 62155).

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
8 3 Terms and definitions
10 4 Quality assurance
5 Normal and special service conditions
6 Materials and their selection
11 7 Design
7.1 General
7.2 Considerations for design
7.3 Stresses due to pressure
8 Manufacture and workmanship
8.1 Consultation between manufacturer and producer
12 8.2 Manufacturing technique
8.3 Geometry and dimensions
8.4 Mechanical properties
13 8.5 Metallic inserts
8.6 Surface finish
9 Inspection, testing and certification
9.1 Type test
9.1.1 General
9.1.2 Bursting test procedure
9.2 Inspection and routine tests
9.2.1 General
14 9.2.2 Visual inspection
9.2.3 Routine pressure test
9.2.4 Production consistency burst pressure test
15 9.2.5 Additional tests
16 9.2.6 Reporting of non-destructive test examinations
9.3 Certification
9.3.1 Design specification, drawings and data sheets
9.3.2 Certificate
9.3.3 Marking
9.3.4 Final inspection
17 Annex A (informative)A-deviations

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BS EN 50089:2022
$102.76