• CLC/TS 50458 : 2006

    Current The latest, up-to-date edition.

    Capacitance graded outdoor bushing 52 kV up to 420 kV for oil immersed transformers

    Available format(s): 


    Published date:  28-04-2006

    Publisher:  European Committee for Standards - Electrical

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

    1 Scope
    2 Normative references
    3 Definitions
      3.1 Draw-lead conductor
      3.2 Solid rod conductor
      3.3 Bottom terminal - current connection
    4 Requirements
      4.1 Application
      4.2 Standard values of highest voltage for equipment
      4.3 Standard values of rated current (I[r])
      4.4 Compliance
          4.4.1 Test tap
          4.4.2 Creepage distance
          4.4.3 Insulating level
          4.4.4 Operating conditions, test requirements
      4.5 Additional requirements
      4.6 Designation
          4.6.1 Electrical design of oil end
          4.6.2 Conductor principles and mechanical design of
                oil end
          4.6.3 Conductor arrangement
          4.6.4 Complete bushing designation
      4.7 Design details
    Annex A (informative) Example of bushing documentation

    Abstract - (Show below) - (Hide below)

    This Technical Specification is applicable to capacitance graded outdoor bushings with values of highest voltage for equipment (Um) from 52 kV up to 420 kV and with values of rated current (Ir) up to 3 150 A and frequencies from 15 Hz up to 60 Hz for oil immersed transformers.

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

    Committee TC 36A
    Document Type Technical Specification
    Publisher European Committee for Standards - Electrical
    Status Current

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

    IEC 60038:2009 IEC standard voltages
    IEC TR 62271-301:2009 High-voltage switchgear and controlgear - Part 301: Dimensional standardisation of high-voltage terminals
    EN 60296:2012 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    EN 60059:1999/A1:2009
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