I.S. EN 61660-1:1999
Current
The latest, up-to-date edition.
SHORT-CIRCUIT CURRENTS IN D.C. AUXILIARY INSTALLATIONS IN POWER PLANTS AND SUBSTATIONS - CALCULATION OF SHORT-CIRCUIT CURRENTS
Hardcopy , PDF
English
01-01-1999
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
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 (informative) Equations for the calculation of
lambda[D], kappa[D], kappa[C] and t[pC]
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