• BS 6878(1988) : 1988

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    SPECIFICATION FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE - CAST ALUMINIUM ALLOY ENCLOSURES FOR GAS-FILLED HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-12-2016

    Language(s):  English

    Published date:  01-01-1993

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Brief history
    0 Introduction
    1 Scope
    2 Quality assurance
    3 Definitions
    4 Materials
       4.1 Selection of material
       4.2 Chemical analysis
    5 Design
       5.1 General
       5.2 Corrosion allowance
       5.3 Design stresses
       5.4 Calculation methods
       5.5 Manholes and inspection openings
    6 Manufacture and workmanship
       6.1 Manufacture
       6.2 Consultation between manufacturer and founder
       6.3 Foundry technique
       6.4 Geometry and dimensions
       6.5 Chemical composition and mechanical properties
       6.6 Workmanship
    7 Repair of casting defects
       7.1 General
       7.2 Repair by welding
       7.3 Impregnation of castings
    8 Heat treatment
       8.1 Heat treatment procedure
       8.2 Methods of heating
       8.3 Quenching
       8.4 Calibration of furnace temperature
       8.5 Heat treatment charts
    9 Inspection, testing and certification
       9.1 Proof tests
       9.2 Inspection and routine tests
       9.3 Certification
    10 Pressure relief devices
       10.1 General
       10.2 Bursting discs
       10.3 Self-closing pressure relief valves
       10.4 Non-self-closing pressure relief devices
    Annex A Welder performance test
    Annex B (informative) A - deviations
    National appendix W
    National appendix X

    Abstract - (Show below) - (Hide below)

    Applicable to cast aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/17/1
    Development Note Supersedes 84/28846 DC and 93/204688 DC. (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 50187 : 1997 GAS-FILLED COMPARTMENTS FOR A.C. SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGES ABOVE 1 KV AND UP TO AND INCLUDING 52 KV
    BS EN 50068:1991 WROUGHT STEEL ENCLOSURES FOR GAS FILLED HIGH VOLTAGE SWITCHGEAR AND CONTROLGEAR
    BS EN 50069 : 1991 SPECIFICATION FOR WELDED COMPOSITE ENCLOSURES OF CAST AND WROUGHT ALUMINIUM ALLOYS FOR GAS-FILLED HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR
    EN 50069:1991/corrigendum Aug. 2007 WELDED COMPOSITE ENCLOSURES OF CAST AND WROUGHT ALUMINIUM ALLOYS FOR GAS-FILLED HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 3134-4:1985 Light metals and their alloys Terms and definitions Part 4: Castings
    ISO 3134-2:1985 Light metals and their alloys Terms and definitions Part 2: Unwrought products
    BS 6104-3(1981) : 1981 MECHANICAL PROPERTIES OF FASTENERS - SPECIFICATION FOR SET SCREWS AND SIMILAR THREADED FASTENERS NOT UNDER TENSILE STRESSES
    ISO 3134-1:1985 Light metals and their alloys Terms and definitions Part 1: Materials
    BS 6104-1(1981) : 1981 MECHANICAL PROPERTIES OF FASTENERS - SPECIFICATION FOR BOLTS SCREWS AND STUDS
    BS 6104-2(1983) : 1983 MECHANICAL PROPERTIES OF FASTENERS - SPECIFICATION FOR NUTS WITH SPECIFIED PROOF LOAD VALUES
    ISO/R 373:1964 General principles for fatigue testing of metals
    ISO 3134-3:1985 Light metals and their alloys Terms and definitions Part 3: Wrought products
    IEC 60517:1990 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above
    HD 358 : 200S3 GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES OF 72.5 kV AND ABOVE
    ISO/IEC Guide 2:2004 Standardization and related activities General vocabulary
    BS 5424-1(1977) : 1977 SPECIFICATION FOR CONTROLGEAR FOR VOLTAGES UP TO AND INCLUDING 1000 V Z.C. AND 1200 V D.C. - CONTACTORS
    ISO 3134-5:1981 Light metals and their alloys Terms and definitions Part 5: Methods of processing and treatment
    BS 3518-1(1962) : 1962 METHODS OF FATIGUE TESTING - GENERAL PRINCIPLES
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