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

Published date

12-01-2013

Publisher

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

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.

DevelopmentNote	Formerly, it was ENA ER P25-1. (01/2018)
DocumentType	Standard
PublisherName	Energy Networks Association (UK)
Status	Current

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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ENA ER P25 : ISSUE 2 2018

Current

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