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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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]
Specifies method for calculating short-circuit currents in d.c. auxiliary systems in power plants and substations, which can be equipped with the following equipment, acting as short-circuit current sources: - rectifiers in three-phase a.c. bridge connection for 50 Hz; - d.c. motors with independent excitation. Also provides a generally applicable method of calculation which produces results of sufficient accuracy on the conservative side.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
84
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| SN EN 61660-1 : 1997 | Identical |
| IEC 61660-1:1997 | Identical |
| EN 61660-1:1997 | Identical |
| NF EN 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 |
| UNE-EN 61660-1:1999 | Identical |
| IEC 60038:2009 | IEC standard voltages |
| IEC 60896-1:1987 | Stationary lead-acid batteries - General requirements and methods of test. Part 1: Vented types |
| IEC 60050-151:2001 | International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices |
| IEC 60050-441:1984 | International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses |
| EN 61660-2:1997 | Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 2: Calculation of effects |
| IEC 61660-2:1997 | Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 2: Calculation of effects |
| EN 60896-1:1991/A2:1992 | STATIONARY LEAD-ACID BATTERIES - GENERAL REQUIREMENTS AND METHODS OF TEST - VENTED TYPES |
| HD 472 S1:1989/AC:2013 | NOMINAL VOLTAGES FOR LOW-VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS |
| IEC 60909:1988 | Short-circuit current calculation in three-phase a.c. systems |
| HD 533 : 200S1 | SHORT-CIRCUIT CALCULATION IN THREE-PHASE A.C. SYSTEMS |
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