• NEN EN 50328 : 2003 C1 2007

    Current The latest, up-to-date edition.

    RAILWAY APPLICATIONS - FIXED EQUIPMENT - ELECTRONIC POWER CONVERTERS FOR SUBSTATIONS

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    Published date:  12-01-2013

    Publisher:  Netherlands Standards

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

    Introduction
    1 General
      1.1 Scope
      1.2 Normative references
      1.3 Classification of traction supply power converters
          and value
      1.4 List of principal letter symbols
      1.5 Definitions
    2 Service conditions
      2.1 Code of identification of cooling method
      2.2 Environmental conditions
      2.3 Electrical service conditions
    3 Converter equipment and assemblies
      3.1 Electrical connections
      3.2 Calculation factors
      3.3 Losses and efficiency
      3.4 Power factor
      3.5 Direct voltage harmonic content
      3.6 Electromagnetic compatibility (EMC)
      3.7 Rated values for converters
      3.8 Mechanical characteristics
      3.9 Marking
    4 Tests
      4.1 General
      4.2 Test specifications
    Annex A (informative) Information required
      A.1 General
      A.2 Diode rectifiers
      A.3 Controlled converters and inverters
      A.4 Frequency converters (direct and d.c. link
          converters)
    Annex B (informative) Determination of the current
            capability through calculation of the virtual
            junction temperature
      B.1 General
      B.2 Approximation of the shape of power pulses
          applied to the semiconductor device
      B.3 The superposition method for calculation of
          temperature
      B.4 Calculation of virtual junction temperature for
          continuous load
    Annex C (informative) Index of definitions
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives requirements for the performance of all fixed installations electronic power converters, using controllable and/or non-controllable electronic valves, intended for traction power supply.

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    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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