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  • ENA ER P25 : ISSUE 2 2018

    Current The latest, up-to-date edition.

    THE SHORT-CIRCUIT CHARACTERISTICS OF SINGLE-PHASE AND THREE-PHASE LOW VOLTAGE DISTRIBUTION NETWORKS

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    Published date:  12-01-2013

    Publisher:  Energy Networks Association (UK)

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 The incoming service arrangements
    5 The PSCC on the DNO's LV distribution
      network
    6 Contribution to PSCC from LV generation
      or motors
    7 Estimation of the PSCC at the supply terminals
    8 Selection of protective devices
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes guidance on the estimation of maximum prospective short-circuit current (PSCC) at the supply terminals of existing and planned electrical installations which are connected to DNO LV networks via a single-phase service rated up to 100 A or a poly-phase service rated up to 400 A per phase.

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

    Development Note Formerly, it was ENA ER P25-1. (01/2018)
    Document Type Standard
    Publisher Energy Networks Association (UK)
    Status Current

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

    BS EN 60439-3 : 1991 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 3: PARTICULAR REQUIREMENTS FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES INTENDED TO BE INSTALLED IN PLACES WHERE UNSKILLED PERSONS HAVE ACCESS FOR THEIR USE - DISTRIBUTION BOARDS
    ENA ER G81-6 : ISSUE 2 2016 FRAMEWORK FOR NEW INDUSTRIAL AND COMMERCIAL UNDERGROUND CONNECTIONS - PART 6: INSTALLATION AND RECORDS
    ENA TS 35-1 : ISSUE 6 2014 DISTRIBUTION TRANSFORMERS - PART 1: COMMON CLAUSES - PART 2: GROUND MOUNTED TRANSFORMERS - NOT CLOSE-COUPLED - PART 3: GROUND MOUNTED TRANSFORMERS - CLOSE-COUPLED - PART 4: POLE MOUNTED TRANSFORMERS
    BS 88-3(2010) : 2010 COR 2014 LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) - EXAMPLES OF STANDARDIZED SYSTEMS OF FUSES A TO F
    ENA ER G74 : ISSUE 1 1992 PROCEDURE TO MEET THE REQUIREMENTS OF IEC 909 FOR THE CALCULATION OF SHORT-CIRCUIT CURRENTS IN THREE-PHASE AC POWER SYSTEMS
    BS EN 60909-0:2016 Short-circuit currents in three-phase a.c. systems Calculation of currents
    BS HD 60269-3 : 2010 LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) - EXAMPLES OF STANDARDIZED SYSTEMS OF FUSES A TO F
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