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NF EN 61660-1 : 1997

Current

Current

The latest, up-to-date edition.

SHORT-CIRCUIT CURRENTS IN D.C. AUXILIARY INSTALLATIONS IN POWER PLANTS AND SUBSTATIONS - PART 1: CALCULATION OF SHORT-CIRCUIT

Published date

12-01-2013

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1 General
    1.1 Scope and object
    1.2 Normative references
    1.3 Definitions
    1.4 Symbols and subscripts
2 Calculation of short-circuit currents
    2.1 General
    2.2 Calculating methods
    2.3 Resistance and inductance of conductor
    2.4 Rectifier
    2.5 Battery
    2.6 Capacitor
    2.7 DC motor with independent excitation
3 Calculation of the total short-circuit current
    3.1 Correction factor
    3.2 Superimposing the partial short-circuit currents
          at the short-circuit location
    3.3 Standard approximation function
Annex A Equations
Annex ZA (normative) Normative references to international
publications with their corresponding European publications

Covers a method for calculation of short-circuit currents in d.c. auxiliary systems in power plants and substations, which can be equipped with equipment acting as short-circuit sources. Applies only to rectifiers in three-phase a.c. bridge connection.

DevelopmentNote
Indice de classement: C10-104. (07/2014)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current

Standards Relationship
I.S. EN 61660-1:1999 Identical
SN EN 61660-1 : 1997 Identical
IEC 61660-1:1997 Identical
DIN EN 61660-1 : 1998 COR 1 2010 Identical
BS EN 61660-1:1997 Identical
NBN EN 61660-1 : 1998 Identical
EN 61660-1:1997 Identical
UNE-EN 61660-1:1999 Identical

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